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From git-site-r...@apache.org
Subject [38/51] [partial] hbase-site git commit: Published site at .
Date Sun, 28 Jan 2018 15:13:42 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/aa7ffc92/devapidocs/src-html/org/apache/hadoop/hbase/backup/BackupHFileCleaner.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/backup/BackupHFileCleaner.html b/devapidocs/src-html/org/apache/hadoop/hbase/backup/BackupHFileCleaner.html
index 1592678..ee337b2 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/backup/BackupHFileCleaner.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/backup/BackupHFileCleaner.html
@@ -39,153 +39,155 @@
 <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a
name="line.31"></a>
 <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.TableName;<a
name="line.32"></a>
 <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.backup.impl.BackupSystemTable;<a
name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.yetus.audience.InterfaceAudience;<a
name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.slf4j.Logger;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.slf4j.LoggerFactory;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.client.Connection;<a
name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a
name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.master.cleaner.BaseHFileCleanerDelegate;<a
name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a
name="line.40"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.Connection;<a
name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.client.ConnectionFactory;<a
name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.master.cleaner.BaseHFileCleanerDelegate;<a
name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a
name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.yetus.audience.InterfaceAudience;<a
name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.slf4j.Logger;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.slf4j.LoggerFactory;<a name="line.40"></a>
 <span class="sourceLineNo">041</span><a name="line.41"></a>
 <span class="sourceLineNo">042</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a
name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hbase.thirdparty.com.google.common.base.Predicate;<a
name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hbase.thirdparty.com.google.common.collect.Iterables;<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> * Implementation of a file cleaner that
checks if an hfile is still referenced by backup before<a name="line.47"></a>
-<span class="sourceLineNo">048</span> * deleting it from hfile archive directory.<a
name="line.48"></a>
-<span class="sourceLineNo">049</span> */<a name="line.49"></a>
-<span class="sourceLineNo">050</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a
name="line.50"></a>
-<span class="sourceLineNo">051</span>public class BackupHFileCleaner extends
BaseHFileCleanerDelegate implements Abortable {<a name="line.51"></a>
-<span class="sourceLineNo">052</span>  private static final Logger LOG = LoggerFactory.getLogger(BackupHFileCleaner.class);<a
name="line.52"></a>
-<span class="sourceLineNo">053</span>  private boolean stopped = false;<a
name="line.53"></a>
-<span class="sourceLineNo">054</span>  private boolean aborted;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>  private Configuration conf;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>  private Connection connection;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>  private long prevReadFromBackupTbl = 0,
// timestamp of most recent read from backup:system table<a name="line.57"></a>
-<span class="sourceLineNo">058</span>      secondPrevReadFromBackupTbl = 0; //
timestamp of 2nd most recent read from backup:system table<a name="line.58"></a>
-<span class="sourceLineNo">059</span>  //used by unit test to skip reading backup:system<a
name="line.59"></a>
-<span class="sourceLineNo">060</span>  private boolean checkForFullyBackedUpTables
= true;<a name="line.60"></a>
-<span class="sourceLineNo">061</span>  private List&lt;TableName&gt;
fullyBackedUpTables = null;<a name="line.61"></a>
-<span class="sourceLineNo">062</span><a name="line.62"></a>
-<span class="sourceLineNo">063</span>  private Set&lt;String&gt; getFilenameFromBulkLoad(Map&lt;byte[],
List&lt;Path&gt;&gt;[] maps) {<a name="line.63"></a>
-<span class="sourceLineNo">064</span>    Set&lt;String&gt; filenames
= new HashSet&lt;String&gt;();<a name="line.64"></a>
-<span class="sourceLineNo">065</span>    for (Map&lt;byte[], List&lt;Path&gt;&gt;
map : maps) {<a name="line.65"></a>
-<span class="sourceLineNo">066</span>      if (map == null) continue;<a name="line.66"></a>
-<span class="sourceLineNo">067</span>      for (List&lt;Path&gt; paths
: map.values()) {<a name="line.67"></a>
-<span class="sourceLineNo">068</span>        for (Path p : paths) {<a name="line.68"></a>
-<span class="sourceLineNo">069</span>          filenames.add(p.getName());<a
name="line.69"></a>
-<span class="sourceLineNo">070</span>        }<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>    return filenames;<a name="line.73"></a>
-<span class="sourceLineNo">074</span>  }<a name="line.74"></a>
-<span class="sourceLineNo">075</span><a name="line.75"></a>
-<span class="sourceLineNo">076</span>  private Set&lt;String&gt; loadHFileRefs(List&lt;TableName&gt;
tableList) throws IOException {<a name="line.76"></a>
-<span class="sourceLineNo">077</span>    if (connection == null) {<a name="line.77"></a>
-<span class="sourceLineNo">078</span>      connection = ConnectionFactory.createConnection(conf);<a
name="line.78"></a>
-<span class="sourceLineNo">079</span>    }<a name="line.79"></a>
-<span class="sourceLineNo">080</span>    try (BackupSystemTable tbl = new BackupSystemTable(connection))
{<a name="line.80"></a>
-<span class="sourceLineNo">081</span>      Map&lt;byte[], List&lt;Path&gt;&gt;[]
res =<a name="line.81"></a>
-<span class="sourceLineNo">082</span>          tbl.readBulkLoadedFiles(null,
tableList);<a name="line.82"></a>
-<span class="sourceLineNo">083</span>      secondPrevReadFromBackupTbl = prevReadFromBackupTbl;<a
name="line.83"></a>
-<span class="sourceLineNo">084</span>      prevReadFromBackupTbl = EnvironmentEdgeManager.currentTime();<a
name="line.84"></a>
-<span class="sourceLineNo">085</span>      return getFilenameFromBulkLoad(res);<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><a name="line.88"></a>
-<span class="sourceLineNo">089</span>  @VisibleForTesting<a name="line.89"></a>
-<span class="sourceLineNo">090</span>  void setCheckForFullyBackedUpTables(boolean
b) {<a name="line.90"></a>
-<span class="sourceLineNo">091</span>    checkForFullyBackedUpTables = b;<a
name="line.91"></a>
-<span class="sourceLineNo">092</span>  }<a name="line.92"></a>
-<span class="sourceLineNo">093</span>  @Override<a name="line.93"></a>
-<span class="sourceLineNo">094</span>  public Iterable&lt;FileStatus&gt;
getDeletableFiles(Iterable&lt;FileStatus&gt; files) {<a name="line.94"></a>
-<span class="sourceLineNo">095</span>    if (conf == null) {<a name="line.95"></a>
-<span class="sourceLineNo">096</span>      return files;<a name="line.96"></a>
-<span class="sourceLineNo">097</span>    }<a name="line.97"></a>
-<span class="sourceLineNo">098</span>    // obtain the Set of TableName's which
have been fully backed up<a name="line.98"></a>
-<span class="sourceLineNo">099</span>    // so that we filter BulkLoad to be
returned from server<a name="line.99"></a>
-<span class="sourceLineNo">100</span>    if (checkForFullyBackedUpTables) {<a
name="line.100"></a>
-<span class="sourceLineNo">101</span>      if (connection == null) return files;<a
name="line.101"></a>
-<span class="sourceLineNo">102</span>      try (BackupSystemTable tbl = new BackupSystemTable(connection))
{<a name="line.102"></a>
-<span class="sourceLineNo">103</span>        fullyBackedUpTables = tbl.getTablesForBackupType(BackupType.FULL);<a
name="line.103"></a>
-<span class="sourceLineNo">104</span>      } catch (IOException ioe) {<a name="line.104"></a>
-<span class="sourceLineNo">105</span>        LOG.error("Failed to get tables
which have been fully backed up, skipping checking", ioe);<a name="line.105"></a>
-<span class="sourceLineNo">106</span>        return Collections.emptyList();<a
name="line.106"></a>
-<span class="sourceLineNo">107</span>      }<a name="line.107"></a>
-<span class="sourceLineNo">108</span>      Collections.sort(fullyBackedUpTables);<a
name="line.108"></a>
-<span class="sourceLineNo">109</span>    }<a name="line.109"></a>
-<span class="sourceLineNo">110</span>    final Set&lt;String&gt; hfileRefs;<a
name="line.110"></a>
-<span class="sourceLineNo">111</span>    try {<a name="line.111"></a>
-<span class="sourceLineNo">112</span>      hfileRefs = loadHFileRefs(fullyBackedUpTables);<a
name="line.112"></a>
-<span class="sourceLineNo">113</span>    } catch (IOException ioe) {<a name="line.113"></a>
-<span class="sourceLineNo">114</span>      LOG.error("Failed to read hfile references,
skipping checking deletable files", ioe);<a name="line.114"></a>
-<span class="sourceLineNo">115</span>      return Collections.emptyList();<a
name="line.115"></a>
-<span class="sourceLineNo">116</span>    }<a name="line.116"></a>
-<span class="sourceLineNo">117</span>    Iterable&lt;FileStatus&gt; deletables
= Iterables.filter(files, new Predicate&lt;FileStatus&gt;() {<a name="line.117"></a>
-<span class="sourceLineNo">118</span>      @Override<a name="line.118"></a>
-<span class="sourceLineNo">119</span>      public boolean apply(FileStatus file)
{<a name="line.119"></a>
-<span class="sourceLineNo">120</span>        // If the file is recent, be conservative
and wait for one more scan of backup:system table<a name="line.120"></a>
-<span class="sourceLineNo">121</span>        if (file.getModificationTime() &gt;
secondPrevReadFromBackupTbl) {<a name="line.121"></a>
-<span class="sourceLineNo">122</span>          return false;<a name="line.122"></a>
-<span class="sourceLineNo">123</span>        }<a name="line.123"></a>
-<span class="sourceLineNo">124</span>        String hfile = file.getPath().getName();<a
name="line.124"></a>
-<span class="sourceLineNo">125</span>        boolean foundHFileRef = hfileRefs.contains(hfile);<a
name="line.125"></a>
-<span class="sourceLineNo">126</span>        return !foundHFileRef;<a name="line.126"></a>
-<span class="sourceLineNo">127</span>      }<a name="line.127"></a>
-<span class="sourceLineNo">128</span>    });<a name="line.128"></a>
-<span class="sourceLineNo">129</span>    return deletables;<a name="line.129"></a>
-<span class="sourceLineNo">130</span>  }<a name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span>  @Override<a name="line.132"></a>
-<span class="sourceLineNo">133</span>  public boolean isFileDeletable(FileStatus
fStat) {<a name="line.133"></a>
-<span class="sourceLineNo">134</span>    // work is done in getDeletableFiles()<a
name="line.134"></a>
-<span class="sourceLineNo">135</span>    return true;<a name="line.135"></a>
-<span class="sourceLineNo">136</span>  }<a name="line.136"></a>
-<span class="sourceLineNo">137</span><a name="line.137"></a>
-<span class="sourceLineNo">138</span>  @Override<a name="line.138"></a>
-<span class="sourceLineNo">139</span>  public void setConf(Configuration config)
{<a name="line.139"></a>
-<span class="sourceLineNo">140</span>    this.conf = config;<a name="line.140"></a>
-<span class="sourceLineNo">141</span>    this.connection = null;<a name="line.141"></a>
-<span class="sourceLineNo">142</span>    try {<a name="line.142"></a>
-<span class="sourceLineNo">143</span>      this.connection = ConnectionFactory.createConnection(conf);<a
name="line.143"></a>
-<span class="sourceLineNo">144</span>    } catch (IOException ioe) {<a name="line.144"></a>
-<span class="sourceLineNo">145</span>      LOG.error("Couldn't establish connection",
ioe);<a name="line.145"></a>
-<span class="sourceLineNo">146</span>    }<a name="line.146"></a>
-<span class="sourceLineNo">147</span>  }<a name="line.147"></a>
-<span class="sourceLineNo">148</span><a name="line.148"></a>
-<span class="sourceLineNo">149</span>  @Override<a name="line.149"></a>
-<span class="sourceLineNo">150</span>  public void stop(String why) {<a name="line.150"></a>
-<span class="sourceLineNo">151</span>    if (this.stopped) {<a name="line.151"></a>
-<span class="sourceLineNo">152</span>      return;<a name="line.152"></a>
-<span class="sourceLineNo">153</span>    }<a name="line.153"></a>
-<span class="sourceLineNo">154</span>    if (this.connection != null) {<a
name="line.154"></a>
-<span class="sourceLineNo">155</span>      try {<a name="line.155"></a>
-<span class="sourceLineNo">156</span>        this.connection.close();<a name="line.156"></a>
-<span class="sourceLineNo">157</span>      } catch (IOException ioe) {<a name="line.157"></a>
-<span class="sourceLineNo">158</span>        LOG.debug("Got " + ioe + " when
closing connection");<a name="line.158"></a>
-<span class="sourceLineNo">159</span>      }<a name="line.159"></a>
-<span class="sourceLineNo">160</span>    }<a name="line.160"></a>
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-<span class="sourceLineNo">164</span>  @Override<a name="line.164"></a>
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-<span class="sourceLineNo">169</span>  @Override<a name="line.169"></a>
-<span class="sourceLineNo">170</span>  public void abort(String why, Throwable
e) {<a name="line.170"></a>
-<span class="sourceLineNo">171</span>    LOG.warn("Aborting ReplicationHFileCleaner
because " + why, e);<a name="line.171"></a>
-<span class="sourceLineNo">172</span>    this.aborted = true;<a name="line.172"></a>
-<span class="sourceLineNo">173</span>    stop(why);<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>  @Override<a name="line.176"></a>
-<span class="sourceLineNo">177</span>  public boolean isAborted() {<a name="line.177"></a>
-<span class="sourceLineNo">178</span>    return this.aborted;<a name="line.178"></a>
-<span class="sourceLineNo">179</span>  }<a name="line.179"></a>
-<span class="sourceLineNo">180</span>}<a name="line.180"></a>
+<span class="sourceLineNo">043</span>import org.apache.hbase.thirdparty.com.google.common.collect.Iterables;<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> * Implementation of a file cleaner that
checks if an hfile is still referenced by backup before<a name="line.46"></a>
+<span class="sourceLineNo">047</span> * deleting it from hfile archive directory.<a
name="line.47"></a>
+<span class="sourceLineNo">048</span> */<a name="line.48"></a>
+<span class="sourceLineNo">049</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a
name="line.49"></a>
+<span class="sourceLineNo">050</span>public class BackupHFileCleaner extends
BaseHFileCleanerDelegate implements Abortable {<a name="line.50"></a>
+<span class="sourceLineNo">051</span>  private static final Logger LOG = LoggerFactory.getLogger(BackupHFileCleaner.class);<a
name="line.51"></a>
+<span class="sourceLineNo">052</span>  private boolean stopped = false;<a
name="line.52"></a>
+<span class="sourceLineNo">053</span>  private boolean aborted;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>  private Configuration conf;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>  private Connection connection;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>  private long prevReadFromBackupTbl = 0,
// timestamp of most recent read from backup:system table<a name="line.56"></a>
+<span class="sourceLineNo">057</span>      secondPrevReadFromBackupTbl = 0; //
timestamp of 2nd most recent read from backup:system table<a name="line.57"></a>
+<span class="sourceLineNo">058</span>  //used by unit test to skip reading backup:system<a
name="line.58"></a>
+<span class="sourceLineNo">059</span>  private boolean checkForFullyBackedUpTables
= true;<a name="line.59"></a>
+<span class="sourceLineNo">060</span>  private List&lt;TableName&gt;
fullyBackedUpTables = null;<a name="line.60"></a>
+<span class="sourceLineNo">061</span><a name="line.61"></a>
+<span class="sourceLineNo">062</span>  private Set&lt;String&gt; getFilenameFromBulkLoad(Map&lt;byte[],
List&lt;Path&gt;&gt;[] maps) {<a name="line.62"></a>
+<span class="sourceLineNo">063</span>    Set&lt;String&gt; filenames
= new HashSet&lt;&gt;();<a name="line.63"></a>
+<span class="sourceLineNo">064</span>    for (Map&lt;byte[], List&lt;Path&gt;&gt;
map : maps) {<a name="line.64"></a>
+<span class="sourceLineNo">065</span>      if (map == null) {<a name="line.65"></a>
+<span class="sourceLineNo">066</span>        continue;<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>      for (List&lt;Path&gt; paths
: map.values()) {<a name="line.69"></a>
+<span class="sourceLineNo">070</span>        for (Path p : paths) {<a name="line.70"></a>
+<span class="sourceLineNo">071</span>          filenames.add(p.getName());<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">074</span>    }<a name="line.74"></a>
+<span class="sourceLineNo">075</span>    return filenames;<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>  private Set&lt;String&gt; loadHFileRefs(List&lt;TableName&gt;
tableList) throws IOException {<a name="line.78"></a>
+<span class="sourceLineNo">079</span>    if (connection == null) {<a name="line.79"></a>
+<span class="sourceLineNo">080</span>      connection = ConnectionFactory.createConnection(conf);<a
name="line.80"></a>
+<span class="sourceLineNo">081</span>    }<a name="line.81"></a>
+<span class="sourceLineNo">082</span>    try (BackupSystemTable tbl = new BackupSystemTable(connection))
{<a name="line.82"></a>
+<span class="sourceLineNo">083</span>      Map&lt;byte[], List&lt;Path&gt;&gt;[]
res =<a name="line.83"></a>
+<span class="sourceLineNo">084</span>          tbl.readBulkLoadedFiles(null,
tableList);<a name="line.84"></a>
+<span class="sourceLineNo">085</span>      secondPrevReadFromBackupTbl = prevReadFromBackupTbl;<a
name="line.85"></a>
+<span class="sourceLineNo">086</span>      prevReadFromBackupTbl = EnvironmentEdgeManager.currentTime();<a
name="line.86"></a>
+<span class="sourceLineNo">087</span>      return getFilenameFromBulkLoad(res);<a
name="line.87"></a>
+<span class="sourceLineNo">088</span>    }<a name="line.88"></a>
+<span class="sourceLineNo">089</span>  }<a name="line.89"></a>
+<span class="sourceLineNo">090</span><a name="line.90"></a>
+<span class="sourceLineNo">091</span>  @VisibleForTesting<a name="line.91"></a>
+<span class="sourceLineNo">092</span>  void setCheckForFullyBackedUpTables(boolean
b) {<a name="line.92"></a>
+<span class="sourceLineNo">093</span>    checkForFullyBackedUpTables = b;<a
name="line.93"></a>
+<span class="sourceLineNo">094</span>  }<a name="line.94"></a>
+<span class="sourceLineNo">095</span>  @Override<a name="line.95"></a>
+<span class="sourceLineNo">096</span>  public Iterable&lt;FileStatus&gt;
getDeletableFiles(Iterable&lt;FileStatus&gt; files) {<a name="line.96"></a>
+<span class="sourceLineNo">097</span>    if (conf == null) {<a name="line.97"></a>
+<span class="sourceLineNo">098</span>      return files;<a name="line.98"></a>
+<span class="sourceLineNo">099</span>    }<a name="line.99"></a>
+<span class="sourceLineNo">100</span>    // obtain the Set of TableName's which
have been fully backed up<a name="line.100"></a>
+<span class="sourceLineNo">101</span>    // so that we filter BulkLoad to be
returned from server<a name="line.101"></a>
+<span class="sourceLineNo">102</span>    if (checkForFullyBackedUpTables) {<a
name="line.102"></a>
+<span class="sourceLineNo">103</span>      if (connection == null) {<a name="line.103"></a>
+<span class="sourceLineNo">104</span>        return files;<a name="line.104"></a>
+<span class="sourceLineNo">105</span>      }<a name="line.105"></a>
+<span class="sourceLineNo">106</span><a name="line.106"></a>
+<span class="sourceLineNo">107</span>      try (BackupSystemTable tbl = new BackupSystemTable(connection))
{<a name="line.107"></a>
+<span class="sourceLineNo">108</span>        fullyBackedUpTables = tbl.getTablesForBackupType(BackupType.FULL);<a
name="line.108"></a>
+<span class="sourceLineNo">109</span>      } catch (IOException ioe) {<a name="line.109"></a>
+<span class="sourceLineNo">110</span>        LOG.error("Failed to get tables
which have been fully backed up, skipping checking", ioe);<a name="line.110"></a>
+<span class="sourceLineNo">111</span>        return Collections.emptyList();<a
name="line.111"></a>
+<span class="sourceLineNo">112</span>      }<a name="line.112"></a>
+<span class="sourceLineNo">113</span>      Collections.sort(fullyBackedUpTables);<a
name="line.113"></a>
+<span class="sourceLineNo">114</span>    }<a name="line.114"></a>
+<span class="sourceLineNo">115</span>    final Set&lt;String&gt; hfileRefs;<a
name="line.115"></a>
+<span class="sourceLineNo">116</span>    try {<a name="line.116"></a>
+<span class="sourceLineNo">117</span>      hfileRefs = loadHFileRefs(fullyBackedUpTables);<a
name="line.117"></a>
+<span class="sourceLineNo">118</span>    } catch (IOException ioe) {<a name="line.118"></a>
+<span class="sourceLineNo">119</span>      LOG.error("Failed to read hfile references,
skipping checking deletable files", ioe);<a name="line.119"></a>
+<span class="sourceLineNo">120</span>      return Collections.emptyList();<a
name="line.120"></a>
+<span class="sourceLineNo">121</span>    }<a name="line.121"></a>
+<span class="sourceLineNo">122</span>    Iterable&lt;FileStatus&gt; deletables
= Iterables.filter(files, file -&gt; {<a name="line.122"></a>
+<span class="sourceLineNo">123</span>      // If the file is recent, be conservative
and wait for one more scan of backup:system table<a name="line.123"></a>
+<span class="sourceLineNo">124</span>      if (file.getModificationTime() &gt;
secondPrevReadFromBackupTbl) {<a name="line.124"></a>
+<span class="sourceLineNo">125</span>        return false;<a name="line.125"></a>
+<span class="sourceLineNo">126</span>      }<a name="line.126"></a>
+<span class="sourceLineNo">127</span>      String hfile = file.getPath().getName();<a
name="line.127"></a>
+<span class="sourceLineNo">128</span>      boolean foundHFileRef = hfileRefs.contains(hfile);<a
name="line.128"></a>
+<span class="sourceLineNo">129</span>      return !foundHFileRef;<a name="line.129"></a>
+<span class="sourceLineNo">130</span>    });<a name="line.130"></a>
+<span class="sourceLineNo">131</span>    return deletables;<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>  @Override<a name="line.134"></a>
+<span class="sourceLineNo">135</span>  public boolean isFileDeletable(FileStatus
fStat) {<a name="line.135"></a>
+<span class="sourceLineNo">136</span>    // work is done in getDeletableFiles()<a
name="line.136"></a>
+<span class="sourceLineNo">137</span>    return true;<a name="line.137"></a>
+<span class="sourceLineNo">138</span>  }<a name="line.138"></a>
+<span class="sourceLineNo">139</span><a name="line.139"></a>
+<span class="sourceLineNo">140</span>  @Override<a name="line.140"></a>
+<span class="sourceLineNo">141</span>  public void setConf(Configuration config)
{<a name="line.141"></a>
+<span class="sourceLineNo">142</span>    this.conf = config;<a name="line.142"></a>
+<span class="sourceLineNo">143</span>    this.connection = null;<a name="line.143"></a>
+<span class="sourceLineNo">144</span>    try {<a name="line.144"></a>
+<span class="sourceLineNo">145</span>      this.connection = ConnectionFactory.createConnection(conf);<a
name="line.145"></a>
+<span class="sourceLineNo">146</span>    } catch (IOException ioe) {<a name="line.146"></a>
+<span class="sourceLineNo">147</span>      LOG.error("Couldn't establish connection",
ioe);<a name="line.147"></a>
+<span class="sourceLineNo">148</span>    }<a name="line.148"></a>
+<span class="sourceLineNo">149</span>  }<a name="line.149"></a>
+<span class="sourceLineNo">150</span><a name="line.150"></a>
+<span class="sourceLineNo">151</span>  @Override<a name="line.151"></a>
+<span class="sourceLineNo">152</span>  public void stop(String why) {<a name="line.152"></a>
+<span class="sourceLineNo">153</span>    if (this.stopped) {<a name="line.153"></a>
+<span class="sourceLineNo">154</span>      return;<a name="line.154"></a>
+<span class="sourceLineNo">155</span>    }<a name="line.155"></a>
+<span class="sourceLineNo">156</span>    if (this.connection != null) {<a
name="line.156"></a>
+<span class="sourceLineNo">157</span>      try {<a name="line.157"></a>
+<span class="sourceLineNo">158</span>        this.connection.close();<a name="line.158"></a>
+<span class="sourceLineNo">159</span>      } catch (IOException ioe) {<a name="line.159"></a>
+<span class="sourceLineNo">160</span>        LOG.debug("Got " + ioe + " when
closing connection");<a name="line.160"></a>
+<span class="sourceLineNo">161</span>      }<a name="line.161"></a>
+<span class="sourceLineNo">162</span>    }<a name="line.162"></a>
+<span class="sourceLineNo">163</span>    this.stopped = true;<a name="line.163"></a>
+<span class="sourceLineNo">164</span>  }<a name="line.164"></a>
+<span class="sourceLineNo">165</span><a name="line.165"></a>
+<span class="sourceLineNo">166</span>  @Override<a name="line.166"></a>
+<span class="sourceLineNo">167</span>  public boolean isStopped() {<a name="line.167"></a>
+<span class="sourceLineNo">168</span>    return this.stopped;<a name="line.168"></a>
+<span class="sourceLineNo">169</span>  }<a name="line.169"></a>
+<span class="sourceLineNo">170</span><a name="line.170"></a>
+<span class="sourceLineNo">171</span>  @Override<a name="line.171"></a>
+<span class="sourceLineNo">172</span>  public void abort(String why, Throwable
e) {<a name="line.172"></a>
+<span class="sourceLineNo">173</span>    LOG.warn("Aborting ReplicationHFileCleaner
because " + why, e);<a name="line.173"></a>
+<span class="sourceLineNo">174</span>    this.aborted = true;<a name="line.174"></a>
+<span class="sourceLineNo">175</span>    stop(why);<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>  @Override<a name="line.178"></a>
+<span class="sourceLineNo">179</span>  public boolean isAborted() {<a name="line.179"></a>
+<span class="sourceLineNo">180</span>    return this.aborted;<a name="line.180"></a>
+<span class="sourceLineNo">181</span>  }<a name="line.181"></a>
+<span class="sourceLineNo">182</span>}<a name="line.182"></a>
 
 
 


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