hbase-commits mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From git-site-r...@apache.org
Subject [08/19] hbase-site git commit: Published site at .
Date Thu, 12 Oct 2017 15:13:30 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/4b918c22/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/CleanerChore.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/CleanerChore.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/CleanerChore.html
index 7becfb8..fb54a7a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/CleanerChore.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/CleanerChore.html
@@ -32,358 +32,356 @@
 <span class="sourceLineNo">024</span><a name="line.24"></a>
 <span class="sourceLineNo">025</span>import java.io.IOException;<a name="line.25"></a>
 <span class="sourceLineNo">026</span>import java.util.ArrayList;<a name="line.26"></a>
-<span class="sourceLineNo">027</span>import java.util.Collections;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import java.util.Comparator;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import java.util.HashMap;<a name="line.29"></a>
-<span class="sourceLineNo">030</span>import java.util.LinkedList;<a name="line.30"></a>
-<span class="sourceLineNo">031</span>import java.util.List;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import java.util.Map;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.33"></a>
-<span class="sourceLineNo">034</span><a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.commons.logging.Log;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.commons.logging.LogFactory;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.conf.Configuration;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.fs.FileStatus;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.fs.FileSystem;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.fs.Path;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.ScheduledChore;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.Stoppable;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.ipc.RemoteException;<a name="line.44"></a>
-<span class="sourceLineNo">045</span><a name="line.45"></a>
-<span class="sourceLineNo">046</span>/**<a name="line.46"></a>
-<span class="sourceLineNo">047</span> * Abstract Cleaner that uses a chain of delegates to clean a directory of files<a name="line.47"></a>
-<span class="sourceLineNo">048</span> * @param &lt;T&gt; Cleaner delegate class that is dynamically loaded from configuration<a name="line.48"></a>
-<span class="sourceLineNo">049</span> */<a name="line.49"></a>
-<span class="sourceLineNo">050</span>public abstract class CleanerChore&lt;T extends FileCleanerDelegate&gt; extends ScheduledChore {<a name="line.50"></a>
-<span class="sourceLineNo">051</span><a name="line.51"></a>
-<span class="sourceLineNo">052</span>  private static final Log LOG = LogFactory.getLog(CleanerChore.class.getName());<a name="line.52"></a>
-<span class="sourceLineNo">053</span><a name="line.53"></a>
-<span class="sourceLineNo">054</span>  protected final FileSystem fs;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>  private final Path oldFileDir;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>  private final Configuration conf;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>  protected List&lt;T&gt; cleanersChain;<a name="line.57"></a>
-<span class="sourceLineNo">058</span>  protected Map&lt;String, Object&gt; params;<a name="line.58"></a>
-<span class="sourceLineNo">059</span>  private AtomicBoolean enabled = new AtomicBoolean(true);<a name="line.59"></a>
-<span class="sourceLineNo">060</span><a name="line.60"></a>
-<span class="sourceLineNo">061</span>  public CleanerChore(String name, final int sleepPeriod, final Stoppable s, Configuration conf,<a name="line.61"></a>
-<span class="sourceLineNo">062</span>                      FileSystem fs, Path oldFileDir, String confKey) {<a name="line.62"></a>
-<span class="sourceLineNo">063</span>    this(name, sleepPeriod, s, conf, fs, oldFileDir, confKey, null);<a name="line.63"></a>
-<span class="sourceLineNo">064</span>  }<a name="line.64"></a>
-<span class="sourceLineNo">065</span><a name="line.65"></a>
-<span class="sourceLineNo">066</span>  /**<a name="line.66"></a>
-<span class="sourceLineNo">067</span>   * @param name name of the chore being run<a name="line.67"></a>
-<span class="sourceLineNo">068</span>   * @param sleepPeriod the period of time to sleep between each run<a name="line.68"></a>
-<span class="sourceLineNo">069</span>   * @param s the stopper<a name="line.69"></a>
-<span class="sourceLineNo">070</span>   * @param conf configuration to use<a name="line.70"></a>
-<span class="sourceLineNo">071</span>   * @param fs handle to the FS<a name="line.71"></a>
-<span class="sourceLineNo">072</span>   * @param oldFileDir the path to the archived files<a name="line.72"></a>
-<span class="sourceLineNo">073</span>   * @param confKey configuration key for the classes to instantiate<a name="line.73"></a>
-<span class="sourceLineNo">074</span>   * @param params members could be used in cleaner<a name="line.74"></a>
-<span class="sourceLineNo">075</span>   */<a name="line.75"></a>
-<span class="sourceLineNo">076</span>  public CleanerChore(String name, final int sleepPeriod, final Stoppable s, Configuration conf,<a name="line.76"></a>
-<span class="sourceLineNo">077</span>      FileSystem fs, Path oldFileDir, String confKey, Map&lt;String, Object&gt; params) {<a name="line.77"></a>
-<span class="sourceLineNo">078</span>    super(name, s, sleepPeriod);<a name="line.78"></a>
-<span class="sourceLineNo">079</span>    this.fs = fs;<a name="line.79"></a>
-<span class="sourceLineNo">080</span>    this.oldFileDir = oldFileDir;<a name="line.80"></a>
-<span class="sourceLineNo">081</span>    this.conf = conf;<a name="line.81"></a>
-<span class="sourceLineNo">082</span>    this.params = params;<a name="line.82"></a>
-<span class="sourceLineNo">083</span>    initCleanerChain(confKey);<a name="line.83"></a>
-<span class="sourceLineNo">084</span>  }<a name="line.84"></a>
+<span class="sourceLineNo">027</span>import java.util.Comparator;<a name="line.27"></a>
+<span class="sourceLineNo">028</span>import java.util.HashMap;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import java.util.LinkedList;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import java.util.List;<a name="line.30"></a>
+<span class="sourceLineNo">031</span>import java.util.Map;<a name="line.31"></a>
+<span class="sourceLineNo">032</span>import java.util.concurrent.atomic.AtomicBoolean;<a name="line.32"></a>
+<span class="sourceLineNo">033</span><a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.commons.logging.Log;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.commons.logging.LogFactory;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.conf.Configuration;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.fs.FileStatus;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.fs.FileSystem;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.fs.Path;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.ScheduledChore;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.Stoppable;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.ipc.RemoteException;<a name="line.43"></a>
+<span class="sourceLineNo">044</span><a name="line.44"></a>
+<span class="sourceLineNo">045</span>/**<a name="line.45"></a>
+<span class="sourceLineNo">046</span> * Abstract Cleaner that uses a chain of delegates to clean a directory of files<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * @param &lt;T&gt; Cleaner delegate class that is dynamically loaded from configuration<a name="line.47"></a>
+<span class="sourceLineNo">048</span> */<a name="line.48"></a>
+<span class="sourceLineNo">049</span>public abstract class CleanerChore&lt;T extends FileCleanerDelegate&gt; extends ScheduledChore {<a name="line.49"></a>
+<span class="sourceLineNo">050</span><a name="line.50"></a>
+<span class="sourceLineNo">051</span>  private static final Log LOG = LogFactory.getLog(CleanerChore.class.getName());<a name="line.51"></a>
+<span class="sourceLineNo">052</span><a name="line.52"></a>
+<span class="sourceLineNo">053</span>  protected final FileSystem fs;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>  private final Path oldFileDir;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>  private final Configuration conf;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>  protected List&lt;T&gt; cleanersChain;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>  protected Map&lt;String, Object&gt; params;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>  private AtomicBoolean enabled = new AtomicBoolean(true);<a name="line.58"></a>
+<span class="sourceLineNo">059</span><a name="line.59"></a>
+<span class="sourceLineNo">060</span>  public CleanerChore(String name, final int sleepPeriod, final Stoppable s, Configuration conf,<a name="line.60"></a>
+<span class="sourceLineNo">061</span>                      FileSystem fs, Path oldFileDir, String confKey) {<a name="line.61"></a>
+<span class="sourceLineNo">062</span>    this(name, sleepPeriod, s, conf, fs, oldFileDir, confKey, null);<a name="line.62"></a>
+<span class="sourceLineNo">063</span>  }<a name="line.63"></a>
+<span class="sourceLineNo">064</span><a name="line.64"></a>
+<span class="sourceLineNo">065</span>  /**<a name="line.65"></a>
+<span class="sourceLineNo">066</span>   * @param name name of the chore being run<a name="line.66"></a>
+<span class="sourceLineNo">067</span>   * @param sleepPeriod the period of time to sleep between each run<a name="line.67"></a>
+<span class="sourceLineNo">068</span>   * @param s the stopper<a name="line.68"></a>
+<span class="sourceLineNo">069</span>   * @param conf configuration to use<a name="line.69"></a>
+<span class="sourceLineNo">070</span>   * @param fs handle to the FS<a name="line.70"></a>
+<span class="sourceLineNo">071</span>   * @param oldFileDir the path to the archived files<a name="line.71"></a>
+<span class="sourceLineNo">072</span>   * @param confKey configuration key for the classes to instantiate<a name="line.72"></a>
+<span class="sourceLineNo">073</span>   * @param params members could be used in cleaner<a name="line.73"></a>
+<span class="sourceLineNo">074</span>   */<a name="line.74"></a>
+<span class="sourceLineNo">075</span>  public CleanerChore(String name, final int sleepPeriod, final Stoppable s, Configuration conf,<a name="line.75"></a>
+<span class="sourceLineNo">076</span>      FileSystem fs, Path oldFileDir, String confKey, Map&lt;String, Object&gt; params) {<a name="line.76"></a>
+<span class="sourceLineNo">077</span>    super(name, s, sleepPeriod);<a name="line.77"></a>
+<span class="sourceLineNo">078</span>    this.fs = fs;<a name="line.78"></a>
+<span class="sourceLineNo">079</span>    this.oldFileDir = oldFileDir;<a name="line.79"></a>
+<span class="sourceLineNo">080</span>    this.conf = conf;<a name="line.80"></a>
+<span class="sourceLineNo">081</span>    this.params = params;<a name="line.81"></a>
+<span class="sourceLineNo">082</span>    initCleanerChain(confKey);<a name="line.82"></a>
+<span class="sourceLineNo">083</span>  }<a name="line.83"></a>
+<span class="sourceLineNo">084</span><a name="line.84"></a>
 <span class="sourceLineNo">085</span><a name="line.85"></a>
-<span class="sourceLineNo">086</span><a name="line.86"></a>
-<span class="sourceLineNo">087</span>  /**<a name="line.87"></a>
-<span class="sourceLineNo">088</span>   * Validate the file to see if it even belongs in the directory. If it is valid, then the file<a name="line.88"></a>
-<span class="sourceLineNo">089</span>   * will go through the cleaner delegates, but otherwise the file is just deleted.<a name="line.89"></a>
-<span class="sourceLineNo">090</span>   * @param file full {@link Path} of the file to be checked<a name="line.90"></a>
-<span class="sourceLineNo">091</span>   * @return &lt;tt&gt;true&lt;/tt&gt; if the file is valid, &lt;tt&gt;false&lt;/tt&gt; otherwise<a name="line.91"></a>
-<span class="sourceLineNo">092</span>   */<a name="line.92"></a>
-<span class="sourceLineNo">093</span>  protected abstract boolean validate(Path file);<a name="line.93"></a>
-<span class="sourceLineNo">094</span><a name="line.94"></a>
-<span class="sourceLineNo">095</span>  /**<a name="line.95"></a>
-<span class="sourceLineNo">096</span>   * Instantiate and initialize all the file cleaners set in the configuration<a name="line.96"></a>
-<span class="sourceLineNo">097</span>   * @param confKey key to get the file cleaner classes from the configuration<a name="line.97"></a>
-<span class="sourceLineNo">098</span>   */<a name="line.98"></a>
-<span class="sourceLineNo">099</span>  private void initCleanerChain(String confKey) {<a name="line.99"></a>
-<span class="sourceLineNo">100</span>    this.cleanersChain = new LinkedList&lt;&gt;();<a name="line.100"></a>
-<span class="sourceLineNo">101</span>    String[] logCleaners = conf.getStrings(confKey);<a name="line.101"></a>
-<span class="sourceLineNo">102</span>    if (logCleaners != null) {<a name="line.102"></a>
-<span class="sourceLineNo">103</span>      for (String className : logCleaners) {<a name="line.103"></a>
-<span class="sourceLineNo">104</span>        T logCleaner = newFileCleaner(className, conf);<a name="line.104"></a>
-<span class="sourceLineNo">105</span>        if (logCleaner != null) {<a name="line.105"></a>
-<span class="sourceLineNo">106</span>          LOG.debug("initialize cleaner=" + className);<a name="line.106"></a>
-<span class="sourceLineNo">107</span>          this.cleanersChain.add(logCleaner);<a name="line.107"></a>
-<span class="sourceLineNo">108</span>        }<a name="line.108"></a>
-<span class="sourceLineNo">109</span>      }<a name="line.109"></a>
-<span class="sourceLineNo">110</span>    }<a name="line.110"></a>
-<span class="sourceLineNo">111</span>  }<a name="line.111"></a>
-<span class="sourceLineNo">112</span><a name="line.112"></a>
-<span class="sourceLineNo">113</span>  /**<a name="line.113"></a>
-<span class="sourceLineNo">114</span>   * A utility method to create new instances of LogCleanerDelegate based on the class name of the<a name="line.114"></a>
-<span class="sourceLineNo">115</span>   * LogCleanerDelegate.<a name="line.115"></a>
-<span class="sourceLineNo">116</span>   * @param className fully qualified class name of the LogCleanerDelegate<a name="line.116"></a>
-<span class="sourceLineNo">117</span>   * @param conf<a name="line.117"></a>
-<span class="sourceLineNo">118</span>   * @return the new instance<a name="line.118"></a>
-<span class="sourceLineNo">119</span>   */<a name="line.119"></a>
-<span class="sourceLineNo">120</span>  private T newFileCleaner(String className, Configuration conf) {<a name="line.120"></a>
-<span class="sourceLineNo">121</span>    try {<a name="line.121"></a>
-<span class="sourceLineNo">122</span>      Class&lt;? extends FileCleanerDelegate&gt; c = Class.forName(className).asSubclass(<a name="line.122"></a>
-<span class="sourceLineNo">123</span>        FileCleanerDelegate.class);<a name="line.123"></a>
-<span class="sourceLineNo">124</span>      @SuppressWarnings("unchecked")<a name="line.124"></a>
-<span class="sourceLineNo">125</span>      T cleaner = (T) c.newInstance();<a name="line.125"></a>
-<span class="sourceLineNo">126</span>      cleaner.setConf(conf);<a name="line.126"></a>
-<span class="sourceLineNo">127</span>      cleaner.init(this.params);<a name="line.127"></a>
-<span class="sourceLineNo">128</span>      return cleaner;<a name="line.128"></a>
-<span class="sourceLineNo">129</span>    } catch (Exception e) {<a name="line.129"></a>
-<span class="sourceLineNo">130</span>      LOG.warn("Can NOT create CleanerDelegate: " + className, e);<a name="line.130"></a>
-<span class="sourceLineNo">131</span>      // skipping if can't instantiate<a name="line.131"></a>
-<span class="sourceLineNo">132</span>      return null;<a name="line.132"></a>
-<span class="sourceLineNo">133</span>    }<a name="line.133"></a>
-<span class="sourceLineNo">134</span>  }<a name="line.134"></a>
-<span class="sourceLineNo">135</span><a name="line.135"></a>
-<span class="sourceLineNo">136</span>  @Override<a name="line.136"></a>
-<span class="sourceLineNo">137</span>  protected void chore() {<a name="line.137"></a>
-<span class="sourceLineNo">138</span>    if (getEnabled()) {<a name="line.138"></a>
-<span class="sourceLineNo">139</span>      runCleaner();<a name="line.139"></a>
-<span class="sourceLineNo">140</span>    } else {<a name="line.140"></a>
-<span class="sourceLineNo">141</span>      LOG.debug("Cleaner chore disabled! Not cleaning.");<a name="line.141"></a>
-<span class="sourceLineNo">142</span>    }<a name="line.142"></a>
-<span class="sourceLineNo">143</span>  }<a name="line.143"></a>
-<span class="sourceLineNo">144</span><a name="line.144"></a>
-<span class="sourceLineNo">145</span>  public Boolean runCleaner() {<a name="line.145"></a>
-<span class="sourceLineNo">146</span>    try {<a name="line.146"></a>
-<span class="sourceLineNo">147</span>      FileStatus[] files = FSUtils.listStatus(this.fs, this.oldFileDir);<a name="line.147"></a>
-<span class="sourceLineNo">148</span>      checkAndDeleteEntries(files);<a name="line.148"></a>
-<span class="sourceLineNo">149</span>    } catch (IOException e) {<a name="line.149"></a>
-<span class="sourceLineNo">150</span>      e = e instanceof RemoteException ?<a name="line.150"></a>
-<span class="sourceLineNo">151</span>              ((RemoteException)e).unwrapRemoteException() : e;<a name="line.151"></a>
-<span class="sourceLineNo">152</span>      LOG.warn("Error while cleaning the logs", e);<a name="line.152"></a>
-<span class="sourceLineNo">153</span>      return false;<a name="line.153"></a>
-<span class="sourceLineNo">154</span>    }<a name="line.154"></a>
-<span class="sourceLineNo">155</span>    return true;<a name="line.155"></a>
-<span class="sourceLineNo">156</span>  }<a name="line.156"></a>
-<span class="sourceLineNo">157</span><a name="line.157"></a>
-<span class="sourceLineNo">158</span>  /**<a name="line.158"></a>
-<span class="sourceLineNo">159</span>   * Sort the given list in (descending) order of the space each element takes<a name="line.159"></a>
-<span class="sourceLineNo">160</span>   * @param dirs the list to sort, element in it should be directory (not file)<a name="line.160"></a>
-<span class="sourceLineNo">161</span>   */<a name="line.161"></a>
-<span class="sourceLineNo">162</span>  private void sortByConsumedSpace(List&lt;FileStatus&gt; dirs) {<a name="line.162"></a>
-<span class="sourceLineNo">163</span>    if (dirs == null || dirs.size() &lt; 2) {<a name="line.163"></a>
-<span class="sourceLineNo">164</span>      // no need to sort for empty or single directory<a name="line.164"></a>
-<span class="sourceLineNo">165</span>      return;<a name="line.165"></a>
-<span class="sourceLineNo">166</span>    }<a name="line.166"></a>
-<span class="sourceLineNo">167</span>    Collections.sort(dirs, new Comparator&lt;FileStatus&gt;() {<a name="line.167"></a>
-<span class="sourceLineNo">168</span>      HashMap&lt;FileStatus, Long&gt; directorySpaces = new HashMap&lt;FileStatus, Long&gt;();<a name="line.168"></a>
-<span class="sourceLineNo">169</span><a name="line.169"></a>
-<span class="sourceLineNo">170</span>      @Override<a name="line.170"></a>
-<span class="sourceLineNo">171</span>      public int compare(FileStatus f1, FileStatus f2) {<a name="line.171"></a>
-<span class="sourceLineNo">172</span>        long f1ConsumedSpace = getSpace(f1);<a name="line.172"></a>
-<span class="sourceLineNo">173</span>        long f2ConsumedSpace = getSpace(f2);<a name="line.173"></a>
-<span class="sourceLineNo">174</span>        return (f1ConsumedSpace &gt; f2ConsumedSpace) ? -1<a name="line.174"></a>
-<span class="sourceLineNo">175</span>            : (f1ConsumedSpace &lt; f2ConsumedSpace ? 1 : 0);<a name="line.175"></a>
-<span class="sourceLineNo">176</span>      }<a name="line.176"></a>
-<span class="sourceLineNo">177</span><a name="line.177"></a>
-<span class="sourceLineNo">178</span>      private long getSpace(FileStatus f) {<a name="line.178"></a>
-<span class="sourceLineNo">179</span>        Long cached = directorySpaces.get(f);<a name="line.179"></a>
-<span class="sourceLineNo">180</span>        if (cached != null) {<a name="line.180"></a>
-<span class="sourceLineNo">181</span>          return cached;<a name="line.181"></a>
-<span class="sourceLineNo">182</span>        }<a name="line.182"></a>
-<span class="sourceLineNo">183</span>        try {<a name="line.183"></a>
-<span class="sourceLineNo">184</span>          long space =<a name="line.184"></a>
-<span class="sourceLineNo">185</span>              f.isDirectory() ? fs.getContentSummary(f.getPath()).getSpaceConsumed() : f.getLen();<a name="line.185"></a>
-<span class="sourceLineNo">186</span>          directorySpaces.put(f, space);<a name="line.186"></a>
-<span class="sourceLineNo">187</span>          return space;<a name="line.187"></a>
-<span class="sourceLineNo">188</span>        } catch (IOException e) {<a name="line.188"></a>
-<span class="sourceLineNo">189</span>          if (LOG.isTraceEnabled()) {<a name="line.189"></a>
-<span class="sourceLineNo">190</span>            LOG.trace("failed to get space consumed by path " + f.getPath(), e);<a name="line.190"></a>
-<span class="sourceLineNo">191</span>          }<a name="line.191"></a>
-<span class="sourceLineNo">192</span>          return -1;<a name="line.192"></a>
-<span class="sourceLineNo">193</span>        }<a name="line.193"></a>
-<span class="sourceLineNo">194</span>      }<a name="line.194"></a>
-<span class="sourceLineNo">195</span>    });<a name="line.195"></a>
-<span class="sourceLineNo">196</span>  }<a name="line.196"></a>
-<span class="sourceLineNo">197</span><a name="line.197"></a>
-<span class="sourceLineNo">198</span>  /**<a name="line.198"></a>
-<span class="sourceLineNo">199</span>   * Loop over the given directory entries, and check whether they can be deleted.<a name="line.199"></a>
-<span class="sourceLineNo">200</span>   * If an entry is itself a directory it will be recursively checked and deleted itself iff<a name="line.200"></a>
-<span class="sourceLineNo">201</span>   * all subentries are deleted (and no new subentries are added in the mean time)<a name="line.201"></a>
-<span class="sourceLineNo">202</span>   *<a name="line.202"></a>
-<span class="sourceLineNo">203</span>   * @param entries directory entries to check<a name="line.203"></a>
-<span class="sourceLineNo">204</span>   * @return true if all entries were successfully deleted<a name="line.204"></a>
-<span class="sourceLineNo">205</span>   */<a name="line.205"></a>
-<span class="sourceLineNo">206</span>  private boolean checkAndDeleteEntries(FileStatus[] entries) {<a name="line.206"></a>
-<span class="sourceLineNo">207</span>    if (entries == null) {<a name="line.207"></a>
-<span class="sourceLineNo">208</span>      return true;<a name="line.208"></a>
-<span class="sourceLineNo">209</span>    }<a name="line.209"></a>
-<span class="sourceLineNo">210</span>    boolean allEntriesDeleted = true;<a name="line.210"></a>
-<span class="sourceLineNo">211</span>    List&lt;FileStatus&gt; files = Lists.newArrayListWithCapacity(entries.length);<a name="line.211"></a>
-<span class="sourceLineNo">212</span>    List&lt;FileStatus&gt; dirs = new ArrayList&lt;&gt;();<a name="line.212"></a>
-<span class="sourceLineNo">213</span>    for (FileStatus child : entries) {<a name="line.213"></a>
-<span class="sourceLineNo">214</span>      if (child.isDirectory()) {<a name="line.214"></a>
-<span class="sourceLineNo">215</span>        dirs.add(child);<a name="line.215"></a>
-<span class="sourceLineNo">216</span>      } else {<a name="line.216"></a>
-<span class="sourceLineNo">217</span>        // collect all files to attempt to delete in one batch<a name="line.217"></a>
-<span class="sourceLineNo">218</span>        files.add(child);<a name="line.218"></a>
-<span class="sourceLineNo">219</span>      }<a name="line.219"></a>
-<span class="sourceLineNo">220</span>    }<a name="line.220"></a>
-<span class="sourceLineNo">221</span>    if (dirs.size() &gt; 0) {<a name="line.221"></a>
-<span class="sourceLineNo">222</span>      sortByConsumedSpace(dirs);<a name="line.222"></a>
-<span class="sourceLineNo">223</span>      LOG.debug("Prepared to delete files in directories: " + dirs);<a name="line.223"></a>
-<span class="sourceLineNo">224</span>      for (FileStatus child : dirs) {<a name="line.224"></a>
-<span class="sourceLineNo">225</span>        Path path = child.getPath();<a name="line.225"></a>
-<span class="sourceLineNo">226</span>        // for each subdirectory delete it and all entries if possible<a name="line.226"></a>
-<span class="sourceLineNo">227</span>        if (!checkAndDeleteDirectory(path)) {<a name="line.227"></a>
-<span class="sourceLineNo">228</span>          allEntriesDeleted = false;<a name="line.228"></a>
-<span class="sourceLineNo">229</span>        }<a name="line.229"></a>
-<span class="sourceLineNo">230</span>      }<a name="line.230"></a>
-<span class="sourceLineNo">231</span>    }<a name="line.231"></a>
-<span class="sourceLineNo">232</span>    if (!checkAndDeleteFiles(files)) {<a name="line.232"></a>
-<span class="sourceLineNo">233</span>      allEntriesDeleted = false;<a name="line.233"></a>
-<span class="sourceLineNo">234</span>    }<a name="line.234"></a>
-<span class="sourceLineNo">235</span>    return allEntriesDeleted;<a name="line.235"></a>
-<span class="sourceLineNo">236</span>  }<a name="line.236"></a>
-<span class="sourceLineNo">237</span>  <a name="line.237"></a>
-<span class="sourceLineNo">238</span>  /**<a name="line.238"></a>
-<span class="sourceLineNo">239</span>   * Attempt to delete a directory and all files under that directory. Each child file is passed<a name="line.239"></a>
-<span class="sourceLineNo">240</span>   * through the delegates to see if it can be deleted. If the directory has no children when the<a name="line.240"></a>
-<span class="sourceLineNo">241</span>   * cleaners have finished it is deleted.<a name="line.241"></a>
-<span class="sourceLineNo">242</span>   * &lt;p&gt;<a name="line.242"></a>
-<span class="sourceLineNo">243</span>   * If new children files are added between checks of the directory, the directory will &lt;b&gt;not&lt;/b&gt;<a name="line.243"></a>
-<span class="sourceLineNo">244</span>   * be deleted.<a name="line.244"></a>
-<span class="sourceLineNo">245</span>   * @param dir directory to check<a name="line.245"></a>
-<span class="sourceLineNo">246</span>   * @return &lt;tt&gt;true&lt;/tt&gt; if the directory was deleted, &lt;tt&gt;false&lt;/tt&gt; otherwise.<a name="line.246"></a>
-<span class="sourceLineNo">247</span>   */<a name="line.247"></a>
-<span class="sourceLineNo">248</span>  @VisibleForTesting boolean checkAndDeleteDirectory(Path dir) {<a name="line.248"></a>
-<span class="sourceLineNo">249</span>    if (LOG.isTraceEnabled()) {<a name="line.249"></a>
-<span class="sourceLineNo">250</span>      LOG.trace("Checking directory: " + dir);<a name="line.250"></a>
-<span class="sourceLineNo">251</span>    }<a name="line.251"></a>
-<span class="sourceLineNo">252</span><a name="line.252"></a>
-<span class="sourceLineNo">253</span>    try {<a name="line.253"></a>
-<span class="sourceLineNo">254</span>      FileStatus[] children = FSUtils.listStatus(fs, dir);<a name="line.254"></a>
-<span class="sourceLineNo">255</span>      boolean allChildrenDeleted = checkAndDeleteEntries(children);<a name="line.255"></a>
-<span class="sourceLineNo">256</span>  <a name="line.256"></a>
-<span class="sourceLineNo">257</span>      // if the directory still has children, we can't delete it, so we are done<a name="line.257"></a>
-<span class="sourceLineNo">258</span>      if (!allChildrenDeleted) return false;<a name="line.258"></a>
-<span class="sourceLineNo">259</span>    } catch (IOException e) {<a name="line.259"></a>
-<span class="sourceLineNo">260</span>      e = e instanceof RemoteException ?<a name="line.260"></a>
-<span class="sourceLineNo">261</span>              ((RemoteException)e).unwrapRemoteException() : e;<a name="line.261"></a>
-<span class="sourceLineNo">262</span>      LOG.warn("Error while listing directory: " + dir, e);<a name="line.262"></a>
-<span class="sourceLineNo">263</span>      // couldn't list directory, so don't try to delete, and don't return success<a name="line.263"></a>
-<span class="sourceLineNo">264</span>      return false;<a name="line.264"></a>
-<span class="sourceLineNo">265</span>    }<a name="line.265"></a>
-<span class="sourceLineNo">266</span><a name="line.266"></a>
-<span class="sourceLineNo">267</span>    // otherwise, all the children (that we know about) have been deleted, so we should try to<a name="line.267"></a>
-<span class="sourceLineNo">268</span>    // delete this directory. However, don't do so recursively so we don't delete files that have<a name="line.268"></a>
-<span class="sourceLineNo">269</span>    // been added since we last checked.<a name="line.269"></a>
-<span class="sourceLineNo">270</span>    try {<a name="line.270"></a>
-<span class="sourceLineNo">271</span>      return fs.delete(dir, false);<a name="line.271"></a>
-<span class="sourceLineNo">272</span>    } catch (IOException e) {<a name="line.272"></a>
-<span class="sourceLineNo">273</span>      if (LOG.isTraceEnabled()) {<a name="line.273"></a>
-<span class="sourceLineNo">274</span>        LOG.trace("Couldn't delete directory: " + dir, e);<a name="line.274"></a>
-<span class="sourceLineNo">275</span>      }<a name="line.275"></a>
-<span class="sourceLineNo">276</span>      // couldn't delete w/o exception, so we can't return success.<a name="line.276"></a>
-<span class="sourceLineNo">277</span>      return false;<a name="line.277"></a>
-<span class="sourceLineNo">278</span>    }<a name="line.278"></a>
-<span class="sourceLineNo">279</span>  }<a name="line.279"></a>
-<span class="sourceLineNo">280</span><a name="line.280"></a>
-<span class="sourceLineNo">281</span>  /**<a name="line.281"></a>
-<span class="sourceLineNo">282</span>   * Run the given files through each of the cleaners to see if it should be deleted, deleting it if<a name="line.282"></a>
-<span class="sourceLineNo">283</span>   * necessary.<a name="line.283"></a>
-<span class="sourceLineNo">284</span>   * @param files List of FileStatus for the files to check (and possibly delete)<a name="line.284"></a>
-<span class="sourceLineNo">285</span>   * @return true iff successfully deleted all files<a name="line.285"></a>
-<span class="sourceLineNo">286</span>   */<a name="line.286"></a>
-<span class="sourceLineNo">287</span>  private boolean checkAndDeleteFiles(List&lt;FileStatus&gt; files) {<a name="line.287"></a>
-<span class="sourceLineNo">288</span>    // first check to see if the path is valid<a name="line.288"></a>
-<span class="sourceLineNo">289</span>    List&lt;FileStatus&gt; validFiles = Lists.newArrayListWithCapacity(files.size());<a name="line.289"></a>
-<span class="sourceLineNo">290</span>    List&lt;FileStatus&gt; invalidFiles = Lists.newArrayList();<a name="line.290"></a>
-<span class="sourceLineNo">291</span>    for (FileStatus file : files) {<a name="line.291"></a>
-<span class="sourceLineNo">292</span>      if (validate(file.getPath())) {<a name="line.292"></a>
-<span class="sourceLineNo">293</span>        validFiles.add(file);<a name="line.293"></a>
-<span class="sourceLineNo">294</span>      } else {<a name="line.294"></a>
-<span class="sourceLineNo">295</span>        LOG.warn("Found a wrongly formatted file: " + file.getPath() + " - will delete it.");<a name="line.295"></a>
-<span class="sourceLineNo">296</span>        invalidFiles.add(file);<a name="line.296"></a>
-<span class="sourceLineNo">297</span>      }<a name="line.297"></a>
-<span class="sourceLineNo">298</span>    }<a name="line.298"></a>
-<span class="sourceLineNo">299</span><a name="line.299"></a>
-<span class="sourceLineNo">300</span>    Iterable&lt;FileStatus&gt; deletableValidFiles = validFiles;<a name="line.300"></a>
-<span class="sourceLineNo">301</span>    // check each of the cleaners for the valid files<a name="line.301"></a>
-<span class="sourceLineNo">302</span>    for (T cleaner : cleanersChain) {<a name="line.302"></a>
-<span class="sourceLineNo">303</span>      if (cleaner.isStopped() || this.getStopper().isStopped()) {<a name="line.303"></a>
-<span class="sourceLineNo">304</span>        LOG.warn("A file cleaner" + this.getName() + " is stopped, won't delete any more files in:"<a name="line.304"></a>
-<span class="sourceLineNo">305</span>            + this.oldFileDir);<a name="line.305"></a>
-<span class="sourceLineNo">306</span>        return false;<a name="line.306"></a>
-<span class="sourceLineNo">307</span>      }<a name="line.307"></a>
-<span class="sourceLineNo">308</span><a name="line.308"></a>
-<span class="sourceLineNo">309</span>      Iterable&lt;FileStatus&gt; filteredFiles = cleaner.getDeletableFiles(deletableValidFiles);<a name="line.309"></a>
-<span class="sourceLineNo">310</span>      <a name="line.310"></a>
-<span class="sourceLineNo">311</span>      // trace which cleaner is holding on to each file<a name="line.311"></a>
-<span class="sourceLineNo">312</span>      if (LOG.isTraceEnabled()) {<a name="line.312"></a>
-<span class="sourceLineNo">313</span>        ImmutableSet&lt;FileStatus&gt; filteredFileSet = ImmutableSet.copyOf(filteredFiles);<a name="line.313"></a>
-<span class="sourceLineNo">314</span>        for (FileStatus file : deletableValidFiles) {<a name="line.314"></a>
-<span class="sourceLineNo">315</span>          if (!filteredFileSet.contains(file)) {<a name="line.315"></a>
-<span class="sourceLineNo">316</span>            LOG.trace(file.getPath() + " is not deletable according to:" + cleaner);<a name="line.316"></a>
-<span class="sourceLineNo">317</span>          }<a name="line.317"></a>
-<span class="sourceLineNo">318</span>        }<a name="line.318"></a>
-<span class="sourceLineNo">319</span>      }<a name="line.319"></a>
-<span class="sourceLineNo">320</span>      <a name="line.320"></a>
-<span class="sourceLineNo">321</span>      deletableValidFiles = filteredFiles;<a name="line.321"></a>
-<span class="sourceLineNo">322</span>    }<a name="line.322"></a>
-<span class="sourceLineNo">323</span>    <a name="line.323"></a>
-<span class="sourceLineNo">324</span>    Iterable&lt;FileStatus&gt; filesToDelete = Iterables.concat(invalidFiles, deletableValidFiles);<a name="line.324"></a>
-<span class="sourceLineNo">325</span>    return deleteFiles(filesToDelete) == files.size();<a name="line.325"></a>
-<span class="sourceLineNo">326</span>  }<a name="line.326"></a>
-<span class="sourceLineNo">327</span><a name="line.327"></a>
-<span class="sourceLineNo">328</span>  /**<a name="line.328"></a>
-<span class="sourceLineNo">329</span>   * Delete the given files<a name="line.329"></a>
-<span class="sourceLineNo">330</span>   * @param filesToDelete files to delete<a name="line.330"></a>
-<span class="sourceLineNo">331</span>   * @return number of deleted files<a name="line.331"></a>
-<span class="sourceLineNo">332</span>   */<a name="line.332"></a>
-<span class="sourceLineNo">333</span>  protected int deleteFiles(Iterable&lt;FileStatus&gt; filesToDelete) {<a name="line.333"></a>
-<span class="sourceLineNo">334</span>    int deletedFileCount = 0;<a name="line.334"></a>
-<span class="sourceLineNo">335</span>    for (FileStatus file : filesToDelete) {<a name="line.335"></a>
-<span class="sourceLineNo">336</span>      Path filePath = file.getPath();<a name="line.336"></a>
-<span class="sourceLineNo">337</span>      if (LOG.isDebugEnabled()) {<a name="line.337"></a>
-<span class="sourceLineNo">338</span>        LOG.debug("Removing: " + filePath + " from archive");<a name="line.338"></a>
-<span class="sourceLineNo">339</span>      }<a name="line.339"></a>
-<span class="sourceLineNo">340</span>      try {<a name="line.340"></a>
-<span class="sourceLineNo">341</span>        boolean success = this.fs.delete(filePath, false);<a name="line.341"></a>
-<span class="sourceLineNo">342</span>        if (success) {<a name="line.342"></a>
-<span class="sourceLineNo">343</span>          deletedFileCount++;<a name="line.343"></a>
-<span class="sourceLineNo">344</span>        } else {<a name="line.344"></a>
-<span class="sourceLineNo">345</span>          LOG.warn("Attempted to delete:" + filePath<a name="line.345"></a>
-<span class="sourceLineNo">346</span>              + ", but couldn't. Run cleaner chain and attempt to delete on next pass.");<a name="line.346"></a>
-<span class="sourceLineNo">347</span>        }<a name="line.347"></a>
-<span class="sourceLineNo">348</span>      } catch (IOException e) {<a name="line.348"></a>
-<span class="sourceLineNo">349</span>        e = e instanceof RemoteException ?<a name="line.349"></a>
-<span class="sourceLineNo">350</span>                  ((RemoteException)e).unwrapRemoteException() : e;<a name="line.350"></a>
-<span class="sourceLineNo">351</span>        LOG.warn("Error while deleting: " + filePath, e);<a name="line.351"></a>
-<span class="sourceLineNo">352</span>      }<a name="line.352"></a>
-<span class="sourceLineNo">353</span>    }<a name="line.353"></a>
-<span class="sourceLineNo">354</span>    return deletedFileCount;<a name="line.354"></a>
-<span class="sourceLineNo">355</span>  }<a name="line.355"></a>
-<span class="sourceLineNo">356</span><a name="line.356"></a>
-<span class="sourceLineNo">357</span>  @Override<a name="line.357"></a>
-<span class="sourceLineNo">358</span>  public void cleanup() {<a name="line.358"></a>
-<span class="sourceLineNo">359</span>    for (T lc : this.cleanersChain) {<a name="line.359"></a>
-<span class="sourceLineNo">360</span>      try {<a name="line.360"></a>
-<span class="sourceLineNo">361</span>        lc.stop("Exiting");<a name="line.361"></a>
-<span class="sourceLineNo">362</span>      } catch (Throwable t) {<a name="line.362"></a>
-<span class="sourceLineNo">363</span>        LOG.warn("Stopping", t);<a name="line.363"></a>
-<span class="sourceLineNo">364</span>      }<a name="line.364"></a>
-<span class="sourceLineNo">365</span>    }<a name="line.365"></a>
-<span class="sourceLineNo">366</span>  }<a name="line.366"></a>
-<span class="sourceLineNo">367</span><a name="line.367"></a>
-<span class="sourceLineNo">368</span>  /**<a name="line.368"></a>
-<span class="sourceLineNo">369</span>   * @param enabled<a name="line.369"></a>
-<span class="sourceLineNo">370</span>   */<a name="line.370"></a>
-<span class="sourceLineNo">371</span>  public boolean setEnabled(final boolean enabled) {<a name="line.371"></a>
-<span class="sourceLineNo">372</span>    return this.enabled.getAndSet(enabled);<a name="line.372"></a>
-<span class="sourceLineNo">373</span>  }<a name="line.373"></a>
-<span class="sourceLineNo">374</span><a name="line.374"></a>
-<span class="sourceLineNo">375</span>  public boolean getEnabled() {<a name="line.375"></a>
-<span class="sourceLineNo">376</span>    return this.enabled.get();<a name="line.376"></a>
-<span class="sourceLineNo">377</span>  }<a name="line.377"></a>
-<span class="sourceLineNo">378</span>}<a name="line.378"></a>
+<span class="sourceLineNo">086</span>  /**<a name="line.86"></a>
+<span class="sourceLineNo">087</span>   * Validate the file to see if it even belongs in the directory. If it is valid, then the file<a name="line.87"></a>
+<span class="sourceLineNo">088</span>   * will go through the cleaner delegates, but otherwise the file is just deleted.<a name="line.88"></a>
+<span class="sourceLineNo">089</span>   * @param file full {@link Path} of the file to be checked<a name="line.89"></a>
+<span class="sourceLineNo">090</span>   * @return &lt;tt&gt;true&lt;/tt&gt; if the file is valid, &lt;tt&gt;false&lt;/tt&gt; otherwise<a name="line.90"></a>
+<span class="sourceLineNo">091</span>   */<a name="line.91"></a>
+<span class="sourceLineNo">092</span>  protected abstract boolean validate(Path file);<a name="line.92"></a>
+<span class="sourceLineNo">093</span><a name="line.93"></a>
+<span class="sourceLineNo">094</span>  /**<a name="line.94"></a>
+<span class="sourceLineNo">095</span>   * Instantiate and initialize all the file cleaners set in the configuration<a name="line.95"></a>
+<span class="sourceLineNo">096</span>   * @param confKey key to get the file cleaner classes from the configuration<a name="line.96"></a>
+<span class="sourceLineNo">097</span>   */<a name="line.97"></a>
+<span class="sourceLineNo">098</span>  private void initCleanerChain(String confKey) {<a name="line.98"></a>
+<span class="sourceLineNo">099</span>    this.cleanersChain = new LinkedList&lt;&gt;();<a name="line.99"></a>
+<span class="sourceLineNo">100</span>    String[] logCleaners = conf.getStrings(confKey);<a name="line.100"></a>
+<span class="sourceLineNo">101</span>    if (logCleaners != null) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span>      for (String className : logCleaners) {<a name="line.102"></a>
+<span class="sourceLineNo">103</span>        T logCleaner = newFileCleaner(className, conf);<a name="line.103"></a>
+<span class="sourceLineNo">104</span>        if (logCleaner != null) {<a name="line.104"></a>
+<span class="sourceLineNo">105</span>          LOG.debug("initialize cleaner=" + className);<a name="line.105"></a>
+<span class="sourceLineNo">106</span>          this.cleanersChain.add(logCleaner);<a name="line.106"></a>
+<span class="sourceLineNo">107</span>        }<a name="line.107"></a>
+<span class="sourceLineNo">108</span>      }<a name="line.108"></a>
+<span class="sourceLineNo">109</span>    }<a name="line.109"></a>
+<span class="sourceLineNo">110</span>  }<a name="line.110"></a>
+<span class="sourceLineNo">111</span><a name="line.111"></a>
+<span class="sourceLineNo">112</span>  /**<a name="line.112"></a>
+<span class="sourceLineNo">113</span>   * A utility method to create new instances of LogCleanerDelegate based on the class name of the<a name="line.113"></a>
+<span class="sourceLineNo">114</span>   * LogCleanerDelegate.<a name="line.114"></a>
+<span class="sourceLineNo">115</span>   * @param className fully qualified class name of the LogCleanerDelegate<a name="line.115"></a>
+<span class="sourceLineNo">116</span>   * @param conf used configuration<a name="line.116"></a>
+<span class="sourceLineNo">117</span>   * @return the new instance<a name="line.117"></a>
+<span class="sourceLineNo">118</span>   */<a name="line.118"></a>
+<span class="sourceLineNo">119</span>  private T newFileCleaner(String className, Configuration conf) {<a name="line.119"></a>
+<span class="sourceLineNo">120</span>    try {<a name="line.120"></a>
+<span class="sourceLineNo">121</span>      Class&lt;? extends FileCleanerDelegate&gt; c = Class.forName(className).asSubclass(<a name="line.121"></a>
+<span class="sourceLineNo">122</span>        FileCleanerDelegate.class);<a name="line.122"></a>
+<span class="sourceLineNo">123</span>      @SuppressWarnings("unchecked")<a name="line.123"></a>
+<span class="sourceLineNo">124</span>      T cleaner = (T) c.newInstance();<a name="line.124"></a>
+<span class="sourceLineNo">125</span>      cleaner.setConf(conf);<a name="line.125"></a>
+<span class="sourceLineNo">126</span>      cleaner.init(this.params);<a name="line.126"></a>
+<span class="sourceLineNo">127</span>      return cleaner;<a name="line.127"></a>
+<span class="sourceLineNo">128</span>    } catch (Exception e) {<a name="line.128"></a>
+<span class="sourceLineNo">129</span>      LOG.warn("Can NOT create CleanerDelegate: " + className, e);<a name="line.129"></a>
+<span class="sourceLineNo">130</span>      // skipping if can't instantiate<a name="line.130"></a>
+<span class="sourceLineNo">131</span>      return null;<a name="line.131"></a>
+<span class="sourceLineNo">132</span>    }<a name="line.132"></a>
+<span class="sourceLineNo">133</span>  }<a name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span>  @Override<a name="line.135"></a>
+<span class="sourceLineNo">136</span>  protected void chore() {<a name="line.136"></a>
+<span class="sourceLineNo">137</span>    if (getEnabled()) {<a name="line.137"></a>
+<span class="sourceLineNo">138</span>      runCleaner();<a name="line.138"></a>
+<span class="sourceLineNo">139</span>    } else {<a name="line.139"></a>
+<span class="sourceLineNo">140</span>      LOG.debug("Cleaner chore disabled! Not cleaning.");<a name="line.140"></a>
+<span class="sourceLineNo">141</span>    }<a name="line.141"></a>
+<span class="sourceLineNo">142</span>  }<a name="line.142"></a>
+<span class="sourceLineNo">143</span><a name="line.143"></a>
+<span class="sourceLineNo">144</span>  public Boolean runCleaner() {<a name="line.144"></a>
+<span class="sourceLineNo">145</span>    try {<a name="line.145"></a>
+<span class="sourceLineNo">146</span>      FileStatus[] files = FSUtils.listStatus(this.fs, this.oldFileDir);<a name="line.146"></a>
+<span class="sourceLineNo">147</span>      checkAndDeleteEntries(files);<a name="line.147"></a>
+<span class="sourceLineNo">148</span>    } catch (IOException e) {<a name="line.148"></a>
+<span class="sourceLineNo">149</span>      e = e instanceof RemoteException ?<a name="line.149"></a>
+<span class="sourceLineNo">150</span>              ((RemoteException)e).unwrapRemoteException() : e;<a name="line.150"></a>
+<span class="sourceLineNo">151</span>      LOG.warn("Error while cleaning the logs", e);<a name="line.151"></a>
+<span class="sourceLineNo">152</span>      return false;<a name="line.152"></a>
+<span class="sourceLineNo">153</span>    }<a name="line.153"></a>
+<span class="sourceLineNo">154</span>    return true;<a name="line.154"></a>
+<span class="sourceLineNo">155</span>  }<a name="line.155"></a>
+<span class="sourceLineNo">156</span><a name="line.156"></a>
+<span class="sourceLineNo">157</span>  /**<a name="line.157"></a>
+<span class="sourceLineNo">158</span>   * Sort the given list in (descending) order of the space each element takes<a name="line.158"></a>
+<span class="sourceLineNo">159</span>   * @param dirs the list to sort, element in it should be directory (not file)<a name="line.159"></a>
+<span class="sourceLineNo">160</span>   */<a name="line.160"></a>
+<span class="sourceLineNo">161</span>  private void sortByConsumedSpace(List&lt;FileStatus&gt; dirs) {<a name="line.161"></a>
+<span class="sourceLineNo">162</span>    if (dirs == null || dirs.size() &lt; 2) {<a name="line.162"></a>
+<span class="sourceLineNo">163</span>      // no need to sort for empty or single directory<a name="line.163"></a>
+<span class="sourceLineNo">164</span>      return;<a name="line.164"></a>
+<span class="sourceLineNo">165</span>    }<a name="line.165"></a>
+<span class="sourceLineNo">166</span>    dirs.sort(new Comparator&lt;FileStatus&gt;() {<a name="line.166"></a>
+<span class="sourceLineNo">167</span>      HashMap&lt;FileStatus, Long&gt; directorySpaces = new HashMap&lt;&gt;();<a name="line.167"></a>
+<span class="sourceLineNo">168</span><a name="line.168"></a>
+<span class="sourceLineNo">169</span>      @Override<a name="line.169"></a>
+<span class="sourceLineNo">170</span>      public int compare(FileStatus f1, FileStatus f2) {<a name="line.170"></a>
+<span class="sourceLineNo">171</span>        long f1ConsumedSpace = getSpace(f1);<a name="line.171"></a>
+<span class="sourceLineNo">172</span>        long f2ConsumedSpace = getSpace(f2);<a name="line.172"></a>
+<span class="sourceLineNo">173</span>        return Long.compare(f2ConsumedSpace, f1ConsumedSpace);<a name="line.173"></a>
+<span class="sourceLineNo">174</span>      }<a name="line.174"></a>
+<span class="sourceLineNo">175</span><a name="line.175"></a>
+<span class="sourceLineNo">176</span>      private long getSpace(FileStatus f) {<a name="line.176"></a>
+<span class="sourceLineNo">177</span>        Long cached = directorySpaces.get(f);<a name="line.177"></a>
+<span class="sourceLineNo">178</span>        if (cached != null) {<a name="line.178"></a>
+<span class="sourceLineNo">179</span>          return cached;<a name="line.179"></a>
+<span class="sourceLineNo">180</span>        }<a name="line.180"></a>
+<span class="sourceLineNo">181</span>        try {<a name="line.181"></a>
+<span class="sourceLineNo">182</span>          long space =<a name="line.182"></a>
+<span class="sourceLineNo">183</span>              f.isDirectory() ? fs.getContentSummary(f.getPath()).getSpaceConsumed() : f.getLen();<a name="line.183"></a>
+<span class="sourceLineNo">184</span>          directorySpaces.put(f, space);<a name="line.184"></a>
+<span class="sourceLineNo">185</span>          return space;<a name="line.185"></a>
+<span class="sourceLineNo">186</span>        } catch (IOException e) {<a name="line.186"></a>
+<span class="sourceLineNo">187</span>          if (LOG.isTraceEnabled()) {<a name="line.187"></a>
+<span class="sourceLineNo">188</span>            LOG.trace("failed to get space consumed by path " + f.getPath(), e);<a name="line.188"></a>
+<span class="sourceLineNo">189</span>          }<a name="line.189"></a>
+<span class="sourceLineNo">190</span>          return -1;<a name="line.190"></a>
+<span class="sourceLineNo">191</span>        }<a name="line.191"></a>
+<span class="sourceLineNo">192</span>      }<a name="line.192"></a>
+<span class="sourceLineNo">193</span>    });<a name="line.193"></a>
+<span class="sourceLineNo">194</span>  }<a name="line.194"></a>
+<span class="sourceLineNo">195</span><a name="line.195"></a>
+<span class="sourceLineNo">196</span>  /**<a name="line.196"></a>
+<span class="sourceLineNo">197</span>   * Loop over the given directory entries, and check whether they can be deleted.<a name="line.197"></a>
+<span class="sourceLineNo">198</span>   * If an entry is itself a directory it will be recursively checked and deleted itself iff<a name="line.198"></a>
+<span class="sourceLineNo">199</span>   * all subentries are deleted (and no new subentries are added in the mean time)<a name="line.199"></a>
+<span class="sourceLineNo">200</span>   *<a name="line.200"></a>
+<span class="sourceLineNo">201</span>   * @param entries directory entries to check<a name="line.201"></a>
+<span class="sourceLineNo">202</span>   * @return true if all entries were successfully deleted<a name="line.202"></a>
+<span class="sourceLineNo">203</span>   */<a name="line.203"></a>
+<span class="sourceLineNo">204</span>  private boolean checkAndDeleteEntries(FileStatus[] entries) {<a name="line.204"></a>
+<span class="sourceLineNo">205</span>    if (entries == null) {<a name="line.205"></a>
+<span class="sourceLineNo">206</span>      return true;<a name="line.206"></a>
+<span class="sourceLineNo">207</span>    }<a name="line.207"></a>
+<span class="sourceLineNo">208</span>    boolean allEntriesDeleted = true;<a name="line.208"></a>
+<span class="sourceLineNo">209</span>    List&lt;FileStatus&gt; files = Lists.newArrayListWithCapacity(entries.length);<a name="line.209"></a>
+<span class="sourceLineNo">210</span>    List&lt;FileStatus&gt; dirs = new ArrayList&lt;&gt;();<a name="line.210"></a>
+<span class="sourceLineNo">211</span>    for (FileStatus child : entries) {<a name="line.211"></a>
+<span class="sourceLineNo">212</span>      if (child.isDirectory()) {<a name="line.212"></a>
+<span class="sourceLineNo">213</span>        dirs.add(child);<a name="line.213"></a>
+<span class="sourceLineNo">214</span>      } else {<a name="line.214"></a>
+<span class="sourceLineNo">215</span>        // collect all files to attempt to delete in one batch<a name="line.215"></a>
+<span class="sourceLineNo">216</span>        files.add(child);<a name="line.216"></a>
+<span class="sourceLineNo">217</span>      }<a name="line.217"></a>
+<span class="sourceLineNo">218</span>    }<a name="line.218"></a>
+<span class="sourceLineNo">219</span>    if (dirs.size() &gt; 0) {<a name="line.219"></a>
+<span class="sourceLineNo">220</span>      sortByConsumedSpace(dirs);<a name="line.220"></a>
+<span class="sourceLineNo">221</span>      LOG.debug("Prepared to delete files in directories: " + dirs);<a name="line.221"></a>
+<span class="sourceLineNo">222</span>      for (FileStatus child : dirs) {<a name="line.222"></a>
+<span class="sourceLineNo">223</span>        Path path = child.getPath();<a name="line.223"></a>
+<span class="sourceLineNo">224</span>        // for each subdirectory delete it and all entries if possible<a name="line.224"></a>
+<span class="sourceLineNo">225</span>        if (!checkAndDeleteDirectory(path)) {<a name="line.225"></a>
+<span class="sourceLineNo">226</span>          allEntriesDeleted = false;<a name="line.226"></a>
+<span class="sourceLineNo">227</span>        }<a name="line.227"></a>
+<span class="sourceLineNo">228</span>      }<a name="line.228"></a>
+<span class="sourceLineNo">229</span>    }<a name="line.229"></a>
+<span class="sourceLineNo">230</span>    if (!checkAndDeleteFiles(files)) {<a name="line.230"></a>
+<span class="sourceLineNo">231</span>      allEntriesDeleted = false;<a name="line.231"></a>
+<span class="sourceLineNo">232</span>    }<a name="line.232"></a>
+<span class="sourceLineNo">233</span>    return allEntriesDeleted;<a name="line.233"></a>
+<span class="sourceLineNo">234</span>  }<a name="line.234"></a>
+<span class="sourceLineNo">235</span>  <a name="line.235"></a>
+<span class="sourceLineNo">236</span>  /**<a name="line.236"></a>
+<span class="sourceLineNo">237</span>   * Attempt to delete a directory and all files under that directory. Each child file is passed<a name="line.237"></a>
+<span class="sourceLineNo">238</span>   * through the delegates to see if it can be deleted. If the directory has no children when the<a name="line.238"></a>
+<span class="sourceLineNo">239</span>   * cleaners have finished it is deleted.<a name="line.239"></a>
+<span class="sourceLineNo">240</span>   * &lt;p&gt;<a name="line.240"></a>
+<span class="sourceLineNo">241</span>   * If new children files are added between checks of the directory, the directory will &lt;b&gt;not&lt;/b&gt;<a name="line.241"></a>
+<span class="sourceLineNo">242</span>   * be deleted.<a name="line.242"></a>
+<span class="sourceLineNo">243</span>   * @param dir directory to check<a name="line.243"></a>
+<span class="sourceLineNo">244</span>   * @return &lt;tt&gt;true&lt;/tt&gt; if the directory was deleted, &lt;tt&gt;false&lt;/tt&gt; otherwise.<a name="line.244"></a>
+<span class="sourceLineNo">245</span>   */<a name="line.245"></a>
+<span class="sourceLineNo">246</span>  @VisibleForTesting boolean checkAndDeleteDirectory(Path dir) {<a name="line.246"></a>
+<span class="sourceLineNo">247</span>    if (LOG.isTraceEnabled()) {<a name="line.247"></a>
+<span class="sourceLineNo">248</span>      LOG.trace("Checking directory: " + dir);<a name="line.248"></a>
+<span class="sourceLineNo">249</span>    }<a name="line.249"></a>
+<span class="sourceLineNo">250</span><a name="line.250"></a>
+<span class="sourceLineNo">251</span>    try {<a name="line.251"></a>
+<span class="sourceLineNo">252</span>      FileStatus[] children = FSUtils.listStatus(fs, dir);<a name="line.252"></a>
+<span class="sourceLineNo">253</span>      boolean allChildrenDeleted = checkAndDeleteEntries(children);<a name="line.253"></a>
+<span class="sourceLineNo">254</span>  <a name="line.254"></a>
+<span class="sourceLineNo">255</span>      // if the directory still has children, we can't delete it, so we are done<a name="line.255"></a>
+<span class="sourceLineNo">256</span>      if (!allChildrenDeleted) return false;<a name="line.256"></a>
+<span class="sourceLineNo">257</span>    } catch (IOException e) {<a name="line.257"></a>
+<span class="sourceLineNo">258</span>      e = e instanceof RemoteException ?<a name="line.258"></a>
+<span class="sourceLineNo">259</span>              ((RemoteException)e).unwrapRemoteException() : e;<a name="line.259"></a>
+<span class="sourceLineNo">260</span>      LOG.warn("Error while listing directory: " + dir, e);<a name="line.260"></a>
+<span class="sourceLineNo">261</span>      // couldn't list directory, so don't try to delete, and don't return success<a name="line.261"></a>
+<span class="sourceLineNo">262</span>      return false;<a name="line.262"></a>
+<span class="sourceLineNo">263</span>    }<a name="line.263"></a>
+<span class="sourceLineNo">264</span><a name="line.264"></a>
+<span class="sourceLineNo">265</span>    // otherwise, all the children (that we know about) have been deleted, so we should try to<a name="line.265"></a>
+<span class="sourceLineNo">266</span>    // delete this directory. However, don't do so recursively so we don't delete files that have<a name="line.266"></a>
+<span class="sourceLineNo">267</span>    // been added since we last checked.<a name="line.267"></a>
+<span class="sourceLineNo">268</span>    try {<a name="line.268"></a>
+<span class="sourceLineNo">269</span>      return fs.delete(dir, false);<a name="line.269"></a>
+<span class="sourceLineNo">270</span>    } catch (IOException e) {<a name="line.270"></a>
+<span class="sourceLineNo">271</span>      if (LOG.isTraceEnabled()) {<a name="line.271"></a>
+<span class="sourceLineNo">272</span>        LOG.trace("Couldn't delete directory: " + dir, e);<a name="line.272"></a>
+<span class="sourceLineNo">273</span>      }<a name="line.273"></a>
+<span class="sourceLineNo">274</span>      // couldn't delete w/o exception, so we can't return success.<a name="line.274"></a>
+<span class="sourceLineNo">275</span>      return false;<a name="line.275"></a>
+<span class="sourceLineNo">276</span>    }<a name="line.276"></a>
+<span class="sourceLineNo">277</span>  }<a name="line.277"></a>
+<span class="sourceLineNo">278</span><a name="line.278"></a>
+<span class="sourceLineNo">279</span>  /**<a name="line.279"></a>
+<span class="sourceLineNo">280</span>   * Run the given files through each of the cleaners to see if it should be deleted, deleting it if<a name="line.280"></a>
+<span class="sourceLineNo">281</span>   * necessary.<a name="line.281"></a>
+<span class="sourceLineNo">282</span>   * @param files List of FileStatus for the files to check (and possibly delete)<a name="line.282"></a>
+<span class="sourceLineNo">283</span>   * @return true iff successfully deleted all files<a name="line.283"></a>
+<span class="sourceLineNo">284</span>   */<a name="line.284"></a>
+<span class="sourceLineNo">285</span>  private boolean checkAndDeleteFiles(List&lt;FileStatus&gt; files) {<a name="line.285"></a>
+<span class="sourceLineNo">286</span>    // first check to see if the path is valid<a name="line.286"></a>
+<span class="sourceLineNo">287</span>    List&lt;FileStatus&gt; validFiles = Lists.newArrayListWithCapacity(files.size());<a name="line.287"></a>
+<span class="sourceLineNo">288</span>    List&lt;FileStatus&gt; invalidFiles = Lists.newArrayList();<a name="line.288"></a>
+<span class="sourceLineNo">289</span>    for (FileStatus file : files) {<a name="line.289"></a>
+<span class="sourceLineNo">290</span>      if (validate(file.getPath())) {<a name="line.290"></a>
+<span class="sourceLineNo">291</span>        validFiles.add(file);<a name="line.291"></a>
+<span class="sourceLineNo">292</span>      } else {<a name="line.292"></a>
+<span class="sourceLineNo">293</span>        LOG.warn("Found a wrongly formatted file: " + file.getPath() + " - will delete it.");<a name="line.293"></a>
+<span class="sourceLineNo">294</span>        invalidFiles.add(file);<a name="line.294"></a>
+<span class="sourceLineNo">295</span>      }<a name="line.295"></a>
+<span class="sourceLineNo">296</span>    }<a name="line.296"></a>
+<span class="sourceLineNo">297</span><a name="line.297"></a>
+<span class="sourceLineNo">298</span>    Iterable&lt;FileStatus&gt; deletableValidFiles = validFiles;<a name="line.298"></a>
+<span class="sourceLineNo">299</span>    // check each of the cleaners for the valid files<a name="line.299"></a>
+<span class="sourceLineNo">300</span>    for (T cleaner : cleanersChain) {<a name="line.300"></a>
+<span class="sourceLineNo">301</span>      if (cleaner.isStopped() || this.getStopper().isStopped()) {<a name="line.301"></a>
+<span class="sourceLineNo">302</span>        LOG.warn("A file cleaner" + this.getName() + " is stopped, won't delete any more files in:"<a name="line.302"></a>
+<span class="sourceLineNo">303</span>            + this.oldFileDir);<a name="line.303"></a>
+<span class="sourceLineNo">304</span>        return false;<a name="line.304"></a>
+<span class="sourceLineNo">305</span>      }<a name="line.305"></a>
+<span class="sourceLineNo">306</span><a name="line.306"></a>
+<span class="sourceLineNo">307</span>      Iterable&lt;FileStatus&gt; filteredFiles = cleaner.getDeletableFiles(deletableValidFiles);<a name="line.307"></a>
+<span class="sourceLineNo">308</span>      <a name="line.308"></a>
+<span class="sourceLineNo">309</span>      // trace which cleaner is holding on to each file<a name="line.309"></a>
+<span class="sourceLineNo">310</span>      if (LOG.isTraceEnabled()) {<a name="line.310"></a>
+<span class="sourceLineNo">311</span>        ImmutableSet&lt;FileStatus&gt; filteredFileSet = ImmutableSet.copyOf(filteredFiles);<a name="line.311"></a>
+<span class="sourceLineNo">312</span>        for (FileStatus file : deletableValidFiles) {<a name="line.312"></a>
+<span class="sourceLineNo">313</span>          if (!filteredFileSet.contains(file)) {<a name="line.313"></a>
+<span class="sourceLineNo">314</span>            LOG.trace(file.getPath() + " is not deletable according to:" + cleaner);<a name="line.314"></a>
+<span class="sourceLineNo">315</span>          }<a name="line.315"></a>
+<span class="sourceLineNo">316</span>        }<a name="line.316"></a>
+<span class="sourceLineNo">317</span>      }<a name="line.317"></a>
+<span class="sourceLineNo">318</span>      <a name="line.318"></a>
+<span class="sourceLineNo">319</span>      deletableValidFiles = filteredFiles;<a name="line.319"></a>
+<span class="sourceLineNo">320</span>    }<a name="line.320"></a>
+<span class="sourceLineNo">321</span>    <a name="line.321"></a>
+<span class="sourceLineNo">322</span>    Iterable&lt;FileStatus&gt; filesToDelete = Iterables.concat(invalidFiles, deletableValidFiles);<a name="line.322"></a>
+<span class="sourceLineNo">323</span>    return deleteFiles(filesToDelete) == files.size();<a name="line.323"></a>
+<span class="sourceLineNo">324</span>  }<a name="line.324"></a>
+<span class="sourceLineNo">325</span><a name="line.325"></a>
+<span class="sourceLineNo">326</span>  /**<a name="line.326"></a>
+<span class="sourceLineNo">327</span>   * Delete the given files<a name="line.327"></a>
+<span class="sourceLineNo">328</span>   * @param filesToDelete files to delete<a name="line.328"></a>
+<span class="sourceLineNo">329</span>   * @return number of deleted files<a name="line.329"></a>
+<span class="sourceLineNo">330</span>   */<a name="line.330"></a>
+<span class="sourceLineNo">331</span>  protected int deleteFiles(Iterable&lt;FileStatus&gt; filesToDelete) {<a name="line.331"></a>
+<span class="sourceLineNo">332</span>    int deletedFileCount = 0;<a name="line.332"></a>
+<span class="sourceLineNo">333</span>    for (FileStatus file : filesToDelete) {<a name="line.333"></a>
+<span class="sourceLineNo">334</span>      Path filePath = file.getPath();<a name="line.334"></a>
+<span class="sourceLineNo">335</span>      if (LOG.isDebugEnabled()) {<a name="line.335"></a>
+<span class="sourceLineNo">336</span>        LOG.debug("Removing: " + filePath + " from archive");<a name="line.336"></a>
+<span class="sourceLineNo">337</span>      }<a name="line.337"></a>
+<span class="sourceLineNo">338</span>      try {<a name="line.338"></a>
+<span class="sourceLineNo">339</span>        boolean success = this.fs.delete(filePath, false);<a name="line.339"></a>
+<span class="sourceLineNo">340</span>        if (success) {<a name="line.340"></a>
+<span class="sourceLineNo">341</span>          deletedFileCount++;<a name="line.341"></a>
+<span class="sourceLineNo">342</span>        } else {<a name="line.342"></a>
+<span class="sourceLineNo">343</span>          LOG.warn("Attempted to delete:" + filePath<a name="line.343"></a>
+<span class="sourceLineNo">344</span>              + ", but couldn't. Run cleaner chain and attempt to delete on next pass.");<a name="line.344"></a>
+<span class="sourceLineNo">345</span>        }<a name="line.345"></a>
+<span class="sourceLineNo">346</span>      } catch (IOException e) {<a name="line.346"></a>
+<span class="sourceLineNo">347</span>        e = e instanceof RemoteException ?<a name="line.347"></a>
+<span class="sourceLineNo">348</span>                  ((RemoteException)e).unwrapRemoteException() : e;<a name="line.348"></a>
+<span class="sourceLineNo">349</span>        LOG.warn("Error while deleting: " + filePath, e);<a name="line.349"></a>
+<span class="sourceLineNo">350</span>      }<a name="line.350"></a>
+<span class="sourceLineNo">351</span>    }<a name="line.351"></a>
+<span class="sourceLineNo">352</span>    return deletedFileCount;<a name="line.352"></a>
+<span class="sourceLineNo">353</span>  }<a name="line.353"></a>
+<span class="sourceLineNo">354</span><a name="line.354"></a>
+<span class="sourceLineNo">355</span>  @Override<a name="line.355"></a>
+<span class="sourceLineNo">356</span>  public void cleanup() {<a name="line.356"></a>
+<span class="sourceLineNo">357</span>    for (T lc : this.cleanersChain) {<a name="line.357"></a>
+<span class="sourceLineNo">358</span>      try {<a name="line.358"></a>
+<span class="sourceLineNo">359</span>        lc.stop("Exiting");<a name="line.359"></a>
+<span class="sourceLineNo">360</span>      } catch (Throwable t) {<a name="line.360"></a>
+<span class="sourceLineNo">361</span>        LOG.warn("Stopping", t);<a name="line.361"></a>
+<span class="sourceLineNo">362</span>      }<a name="line.362"></a>
+<span class="sourceLineNo">363</span>    }<a name="line.363"></a>
+<span class="sourceLineNo">364</span>  }<a name="line.364"></a>
+<span class="sourceLineNo">365</span><a name="line.365"></a>
+<span class="sourceLineNo">366</span>  /**<a name="line.366"></a>
+<span class="sourceLineNo">367</span>   * @param enabled<a name="line.367"></a>
+<span class="sourceLineNo">368</span>   */<a name="line.368"></a>
+<span class="sourceLineNo">369</span>  public boolean setEnabled(final boolean enabled) {<a name="line.369"></a>
+<span class="sourceLineNo">370</span>    return this.enabled.getAndSet(enabled);<a name="line.370"></a>
+<span class="sourceLineNo">371</span>  }<a name="line.371"></a>
+<span class="sourceLineNo">372</span><a name="line.372"></a>
+<span class="sourceLineNo">373</span>  public boolean getEnabled() {<a name="line.373"></a>
+<span class="sourceLineNo">374</span>    return this.enabled.get();<a name="line.374"></a>
+<span class="sourceLineNo">375</span>  }<a name="line.375"></a>
+<span class="sourceLineNo">376</span>}<a name="line.376"></a>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/4b918c22/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/LogCleaner.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/LogCleaner.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/LogCleaner.html
index 1c1a6f5..5f76fdc 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/LogCleaner.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/LogCleaner.html
@@ -33,35 +33,37 @@
 <span class="sourceLineNo">025</span>import org.apache.hadoop.fs.FileSystem;<a name="line.25"></a>
 <span class="sourceLineNo">026</span>import org.apache.hadoop.fs.Path;<a name="line.26"></a>
 <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.Stoppable;<a name="line.27"></a>
-<span class="sourceLineNo">028</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.28"></a>
-<span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;<a name="line.29"></a>
-<span class="sourceLineNo">030</span><a name="line.30"></a>
-<span class="sourceLineNo">031</span>/**<a name="line.31"></a>
-<span class="sourceLineNo">032</span> * This Chore, every time it runs, will attempt to delete the WALs in the old logs folder. The WAL<a name="line.32"></a>
-<span class="sourceLineNo">033</span> * is only deleted if none of the cleaner delegates says otherwise.<a name="line.33"></a>
-<span class="sourceLineNo">034</span> * @see BaseLogCleanerDelegate<a name="line.34"></a>
-<span class="sourceLineNo">035</span> */<a name="line.35"></a>
-<span class="sourceLineNo">036</span>@InterfaceAudience.Private<a name="line.36"></a>
-<span class="sourceLineNo">037</span>public class LogCleaner extends CleanerChore&lt;BaseLogCleanerDelegate&gt; {<a name="line.37"></a>
-<span class="sourceLineNo">038</span>  private static final Log LOG = LogFactory.getLog(LogCleaner.class.getName());<a name="line.38"></a>
-<span class="sourceLineNo">039</span><a name="line.39"></a>
-<span class="sourceLineNo">040</span>  /**<a name="line.40"></a>
-<span class="sourceLineNo">041</span>   * @param p the period of time to sleep between each run<a name="line.41"></a>
-<span class="sourceLineNo">042</span>   * @param s the stopper<a name="line.42"></a>
-<span class="sourceLineNo">043</span>   * @param conf configuration to use<a name="line.43"></a>
-<span class="sourceLineNo">044</span>   * @param fs handle to the FS<a name="line.44"></a>
-<span class="sourceLineNo">045</span>   * @param oldLogDir the path to the archived logs<a name="line.45"></a>
-<span class="sourceLineNo">046</span>   */<a name="line.46"></a>
-<span class="sourceLineNo">047</span>  public LogCleaner(final int p, final Stoppable s, Configuration conf, FileSystem fs,<a name="line.47"></a>
-<span class="sourceLineNo">048</span>      Path oldLogDir) {<a name="line.48"></a>
-<span class="sourceLineNo">049</span>    super("LogsCleaner", p, s, conf, fs, oldLogDir, HBASE_MASTER_LOGCLEANER_PLUGINS);<a name="line.49"></a>
-<span class="sourceLineNo">050</span>  }<a name="line.50"></a>
-<span class="sourceLineNo">051</span><a name="line.51"></a>
-<span class="sourceLineNo">052</span>  @Override<a name="line.52"></a>
-<span class="sourceLineNo">053</span>  protected boolean validate(Path file) {<a name="line.53"></a>
-<span class="sourceLineNo">054</span>    return AbstractFSWALProvider.validateWALFilename(file.getName());<a name="line.54"></a>
-<span class="sourceLineNo">055</span>  }<a name="line.55"></a>
-<span class="sourceLineNo">056</span>}<a name="line.56"></a>
+<span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.master.procedure.MasterProcedureUtil;<a name="line.28"></a>
+<span class="sourceLineNo">029</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.29"></a>
+<span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;<a name="line.30"></a>
+<span class="sourceLineNo">031</span><a name="line.31"></a>
+<span class="sourceLineNo">032</span>/**<a name="line.32"></a>
+<span class="sourceLineNo">033</span> * This Chore, every time it runs, will attempt to delete the WALs and Procedure WALs in the old<a name="line.33"></a>
+<span class="sourceLineNo">034</span> * logs folder. The WAL is only deleted if none of the cleaner delegates says otherwise.<a name="line.34"></a>
+<span class="sourceLineNo">035</span> * @see BaseLogCleanerDelegate<a name="line.35"></a>
+<span class="sourceLineNo">036</span> */<a name="line.36"></a>
+<span class="sourceLineNo">037</span>@InterfaceAudience.Private<a name="line.37"></a>
+<span class="sourceLineNo">038</span>public class LogCleaner extends CleanerChore&lt;BaseLogCleanerDelegate&gt; {<a name="line.38"></a>
+<span class="sourceLineNo">039</span>  private static final Log LOG = LogFactory.getLog(LogCleaner.class.getName());<a name="line.39"></a>
+<span class="sourceLineNo">040</span><a name="line.40"></a>
+<span class="sourceLineNo">041</span>  /**<a name="line.41"></a>
+<span class="sourceLineNo">042</span>   * @param period the period of time to sleep between each run<a name="line.42"></a>
+<span class="sourceLineNo">043</span>   * @param stopper the stopper<a name="line.43"></a>
+<span class="sourceLineNo">044</span>   * @param conf configuration to use<a name="line.44"></a>
+<span class="sourceLineNo">045</span>   * @param fs handle to the FS<a name="line.45"></a>
+<span class="sourceLineNo">046</span>   * @param oldLogDir the path to the archived logs<a name="line.46"></a>
+<span class="sourceLineNo">047</span>   */<a name="line.47"></a>
+<span class="sourceLineNo">048</span>  public LogCleaner(final int period, final Stoppable stopper, Configuration conf, FileSystem fs,<a name="line.48"></a>
+<span class="sourceLineNo">049</span>      Path oldLogDir) {<a name="line.49"></a>
+<span class="sourceLineNo">050</span>    super("LogsCleaner", period, stopper, conf, fs, oldLogDir, HBASE_MASTER_LOGCLEANER_PLUGINS);<a name="line.50"></a>
+<span class="sourceLineNo">051</span>  }<a name="line.51"></a>
+<span class="sourceLineNo">052</span><a name="line.52"></a>
+<span class="sourceLineNo">053</span>  @Override<a name="line.53"></a>
+<span class="sourceLineNo">054</span>  protected boolean validate(Path file) {<a name="line.54"></a>
+<span class="sourceLineNo">055</span>    return AbstractFSWALProvider.validateWALFilename(file.getName())<a name="line.55"></a>
+<span class="sourceLineNo">056</span>        || MasterProcedureUtil.validateProcedureWALFilename(file.getName());<a name="line.56"></a>
+<span class="sourceLineNo">057</span>  }<a name="line.57"></a>
+<span class="sourceLineNo">058</span>}<a name="line.58"></a>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/4b918c22/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/TimeToLiveLogCleaner.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/TimeToLiveLogCleaner.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/TimeToLiveLogCleaner.html
index 53d24bd..ea93779 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/TimeToLiveLogCleaner.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/cleaner/TimeToLiveLogCleaner.html
@@ -27,58 +27,67 @@
 <span class="sourceLineNo">019</span><a name="line.19"></a>
 <span class="sourceLineNo">020</span>import org.apache.commons.logging.Log;<a name="line.20"></a>
 <span class="sourceLineNo">021</span>import org.apache.commons.logging.LogFactory;<a name="line.21"></a>
-<span class="sourceLineNo">022</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.22"></a>
-<span class="sourceLineNo">023</span>import org.apache.hadoop.conf.Configuration;<a name="line.23"></a>
-<span class="sourceLineNo">024</span>import org.apache.hadoop.fs.FileStatus;<a name="line.24"></a>
-<span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.25"></a>
-<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.26"></a>
-<span class="sourceLineNo">027</span><a name="line.27"></a>
-<span class="sourceLineNo">028</span>/**<a name="line.28"></a>
-<span class="sourceLineNo">029</span> * Log cleaner that uses the timestamp of the wal to determine if it should<a name="line.29"></a>
-<span class="sourceLineNo">030</span> * be deleted. By default they are allowed to live for 10 minutes.<a name="line.30"></a>
-<span class="sourceLineNo">031</span> */<a name="line.31"></a>
-<span class="sourceLineNo">032</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a name="line.32"></a>
-<span class="sourceLineNo">033</span>public class TimeToLiveLogCleaner extends BaseLogCleanerDelegate {<a name="line.33"></a>
-<span class="sourceLineNo">034</span>  private static final Log LOG = LogFactory.getLog(TimeToLiveLogCleaner.class.getName());<a name="line.34"></a>
-<span class="sourceLineNo">035</span>  // Configured time a log can be kept after it was closed<a name="line.35"></a>
-<span class="sourceLineNo">036</span>  private long ttl;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>  private boolean stopped = false;<a name="line.37"></a>
-<span class="sourceLineNo">038</span><a name="line.38"></a>
-<span class="sourceLineNo">039</span>  @Override<a name="line.39"></a>
-<span class="sourceLineNo">040</span>  public boolean isLogDeletable(FileStatus fStat) {<a name="line.40"></a>
-<span class="sourceLineNo">041</span>    long currentTime = EnvironmentEdgeManager.currentTime();<a name="line.41"></a>
-<span class="sourceLineNo">042</span>    long time = fStat.getModificationTime();<a name="line.42"></a>
-<span class="sourceLineNo">043</span>    long life = currentTime - time;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>    <a name="line.44"></a>
-<span class="sourceLineNo">045</span>    if (LOG.isTraceEnabled()) {<a name="line.45"></a>
-<span class="sourceLineNo">046</span>      LOG.trace("Log life:" + life + ", ttl:" + ttl + ", current:" + currentTime + ", from: "<a name="line.46"></a>
-<span class="sourceLineNo">047</span>          + time);<a name="line.47"></a>
-<span class="sourceLineNo">048</span>    }<a name="line.48"></a>
-<span class="sourceLineNo">049</span>    if (life &lt; 0) {<a name="line.49"></a>
-<span class="sourceLineNo">050</span>      LOG.warn("Found a log (" + fStat.getPath() + ") newer than current time (" + currentTime<a name="line.50"></a>
-<span class="sourceLineNo">051</span>          + " &lt; " + time + "), probably a clock skew");<a name="line.51"></a>
-<span class="sourceLineNo">052</span>      return false;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>    }<a name="line.53"></a>
-<span class="sourceLineNo">054</span>    return life &gt; ttl;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>  }<a name="line.55"></a>
-<span class="sourceLineNo">056</span><a name="line.56"></a>
-<span class="sourceLineNo">057</span>  @Override<a name="line.57"></a>
-<span class="sourceLineNo">058</span>  public void setConf(Configuration conf) {<a name="line.58"></a>
-<span class="sourceLineNo">059</span>    super.setConf(conf);<a name="line.59"></a>
-<span class="sourceLineNo">060</span>    this.ttl = conf.getLong("hbase.master.logcleaner.ttl", 600000);<a name="line.60"></a>
-<span class="sourceLineNo">061</span>  }<a name="line.61"></a>
-<span class="sourceLineNo">062</span><a name="line.62"></a>
-<span class="sourceLineNo">063</span><a name="line.63"></a>
-<span class="sourceLineNo">064</span>  @Override<a name="line.64"></a>
-<span class="sourceLineNo">065</span>  public void stop(String why) {<a name="line.65"></a>
-<span class="sourceLineNo">066</span>    this.stopped = true;<a name="line.66"></a>
-<span class="sourceLineNo">067</span>  }<a name="line.67"></a>
-<span class="sourceLineNo">068</span><a name="line.68"></a>
-<span class="sourceLineNo">069</span>  @Override<a name="line.69"></a>
-<span class="sourceLineNo">070</span>  public boolean isStopped() {<a name="line.70"></a>
-<span class="sourceLineNo">071</span>    return this.stopped;<a name="line.71"></a>
-<span class="sourceLineNo">072</span>  }<a name="line.72"></a>
-<span class="sourceLineNo">073</span>}<a name="line.73"></a>
+<span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.wal.AbstractFSWALProvider;<a name="line.22"></a>
+<span class="sourceLineNo">023</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.23"></a>
+<span class="sourceLineNo">024</span>import org.apache.hadoop.conf.Configuration;<a name="line.24"></a>
+<span class="sourceLineNo">025</span>import org.apache.hadoop.fs.FileStatus;<a name="line.25"></a>
+<span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.26"></a>
+<span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.27"></a>
+<span class="sourceLineNo">028</span><a name="line.28"></a>
+<span class="sourceLineNo">029</span>/**<a name="line.29"></a>
+<span class="sourceLineNo">030</span> * Log cleaner that uses the timestamp of the wal to determine if it should<a name="line.30"></a>
+<span class="sourceLineNo">031</span> * be deleted. By default they are allowed to live for 10 minutes.<a name="line.31"></a>
+<span class="sourceLineNo">032</span> */<a name="line.32"></a>
+<span class="sourceLineNo">033</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a name="line.33"></a>
+<span class="sourceLineNo">034</span>public class TimeToLiveLogCleaner extends BaseLogCleanerDelegate {<a name="line.34"></a>
+<span class="sourceLineNo">035</span>  private static final Log LOG = LogFactory.getLog(TimeToLiveLogCleaner.class.getName());<a name="line.35"></a>
+<span class="sourceLineNo">036</span>  public static final String TTL_CONF_KEY = "hbase.master.logcleaner.ttl";<a name="line.36"></a>
+<span class="sourceLineNo">037</span>  // default ttl = 10 minutes<a name="line.37"></a>
+<span class="sourceLineNo">038</span>  public static final long DEFAULT_TTL = 600_000L;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>  // Configured time a log can be kept after it was closed<a name="line.39"></a>
+<span class="sourceLineNo">040</span>  private long ttl;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>  private boolean stopped = false;<a name="line.41"></a>
+<span class="sourceLineNo">042</span><a name="line.42"></a>
+<span class="sourceLineNo">043</span>  @Override<a name="line.43"></a>
+<span class="sourceLineNo">044</span>  public boolean isLogDeletable(FileStatus fStat) {<a name="line.44"></a>
+<span class="sourceLineNo">045</span>    // Files are validated for the second time here,<a name="line.45"></a>
+<span class="sourceLineNo">046</span>    // if it causes a bottleneck this logic needs refactored<a name="line.46"></a>
+<span class="sourceLineNo">047</span>    if (!AbstractFSWALProvider.validateWALFilename(fStat.getPath().getName())) {<a name="line.47"></a>
+<span class="sourceLineNo">048</span>      return true;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>    }<a name="line.49"></a>
+<span class="sourceLineNo">050</span><a name="line.50"></a>
+<span class="sourceLineNo">051</span>    long currentTime = EnvironmentEdgeManager.currentTime();<a name="line.51"></a>
+<span class="sourceLineNo">052</span>    long time = fStat.getModificationTime();<a name="line.52"></a>
+<span class="sourceLineNo">053</span>    long life = currentTime - time;<a name="line.53"></a>
+<span class="sourceLineNo">054</span><a name="line.54"></a>
+<span class="sourceLineNo">055</span>    if (LOG.isTraceEnabled()) {<a name="line.55"></a>
+<span class="sourceLineNo">056</span>      LOG.trace("Log life:" + life + ", ttl:" + ttl + ", current:" + currentTime + ", from: "<a name="line.56"></a>
+<span class="sourceLineNo">057</span>          + time);<a name="line.57"></a>
+<span class="sourceLineNo">058</span>    }<a name="line.58"></a>
+<span class="sourceLineNo">059</span>    if (life &lt; 0) {<a name="line.59"></a>
+<span class="sourceLineNo">060</span>      LOG.warn("Found a log (" + fStat.getPath() + ") newer than current time (" + currentTime<a name="line.60"></a>
+<span class="sourceLineNo">061</span>          + " &lt; " + time + "), probably a clock skew");<a name="line.61"></a>
+<span class="sourceLineNo">062</span>      return false;<a name="line.62"></a>
+<span class="sourceLineNo">063</span>    }<a name="line.63"></a>
+<span class="sourceLineNo">064</span>    return life &gt; ttl;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>  }<a name="line.65"></a>
+<span class="sourceLineNo">066</span><a name="line.66"></a>
+<span class="sourceLineNo">067</span>  @Override<a name="line.67"></a>
+<span class="sourceLineNo">068</span>  public void setConf(Configuration conf) {<a name="line.68"></a>
+<span class="sourceLineNo">069</span>    super.setConf(conf);<a name="line.69"></a>
+<span class="sourceLineNo">070</span>    this.ttl = conf.getLong(TTL_CONF_KEY, DEFAULT_TTL);<a name="line.70"></a>
+<span class="sourceLineNo">071</span>  }<a name="line.71"></a>
+<span class="sourceLineNo">072</span><a name="line.72"></a>
+<span class="sourceLineNo">073</span>  @Override<a name="line.73"></a>
+<span class="sourceLineNo">074</span>  public void stop(String why) {<a name="line.74"></a>
+<span class="sourceLineNo">075</span>    this.stopped = true;<a name="line.75"></a>
+<span class="sourceLineNo">076</span>  }<a name="line.76"></a>
+<span class="sourceLineNo">077</span><a name="line.77"></a>
+<span class="sourceLineNo">078</span>  @Override<a name="line.78"></a>
+<span class="sourceLineNo">079</span>  public boolean isStopped() {<a name="line.79"></a>
+<span class="sourceLineNo">080</span>    return this.stopped;<a name="line.80"></a>
+<span class="sourceLineNo">081</span>  }<a name="line.81"></a>
+<span class="sourceLineNo">082</span>}<a name="line.82"></a>
 
 
 


Mime
View raw message