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From mi...@apache.org
Subject [11/51] [partial] hbase git commit: Published website at 112900d0425a8157b89041f0e353ebf5cc259c69 with HBASE-14785
Date Tue, 10 Nov 2015 05:31:37 GMT
http://git-wip-us.apache.org/repos/asf/hbase/blob/565d7685/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.LeaseRecovery.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.LeaseRecovery.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.LeaseRecovery.html
index aa9c4d7..f13dc9a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.LeaseRecovery.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.LeaseRecovery.html
@@ -108,802 +108,859 @@
 <span class="sourceLineNo">100</span><a name="line.100"></a>
 <span class="sourceLineNo">101</span>  private final LinkedList&lt;ProcedureWALFile&gt; logs = new LinkedList&lt;ProcedureWALFile&gt;();<a name="line.101"></a>
 <span class="sourceLineNo">102</span>  private final ProcedureStoreTracker storeTracker = new ProcedureStoreTracker();<a name="line.102"></a>
-<span class="sourceLineNo">103</span>  private final ReentrantLock lock = new ReentrantLock();<a name="line.103"></a>
-<span class="sourceLineNo">104</span>  private final Condition waitCond = lock.newCondition();<a name="line.104"></a>
-<span class="sourceLineNo">105</span>  private final Condition slotCond = lock.newCondition();<a name="line.105"></a>
-<span class="sourceLineNo">106</span>  private final Condition syncCond = lock.newCondition();<a name="line.106"></a>
-<span class="sourceLineNo">107</span><a name="line.107"></a>
-<span class="sourceLineNo">108</span>  private final LeaseRecovery leaseRecovery;<a name="line.108"></a>
-<span class="sourceLineNo">109</span>  private final Configuration conf;<a name="line.109"></a>
-<span class="sourceLineNo">110</span>  private final FileSystem fs;<a name="line.110"></a>
-<span class="sourceLineNo">111</span>  private final Path logDir;<a name="line.111"></a>
-<span class="sourceLineNo">112</span><a name="line.112"></a>
-<span class="sourceLineNo">113</span>  private AtomicBoolean inSync = new AtomicBoolean(false);<a name="line.113"></a>
-<span class="sourceLineNo">114</span>  private AtomicReference&lt;Throwable&gt; syncException = new AtomicReference&lt;&gt;();<a name="line.114"></a>
-<span class="sourceLineNo">115</span>  private LinkedTransferQueue&lt;ByteSlot&gt; slotsCache = null;<a name="line.115"></a>
-<span class="sourceLineNo">116</span>  private Set&lt;ProcedureWALFile&gt; corruptedLogs = null;<a name="line.116"></a>
-<span class="sourceLineNo">117</span>  private AtomicLong totalSynced = new AtomicLong(0);<a name="line.117"></a>
-<span class="sourceLineNo">118</span>  private AtomicLong lastRollTs = new AtomicLong(0);<a name="line.118"></a>
-<span class="sourceLineNo">119</span>  private FSDataOutputStream stream = null;<a name="line.119"></a>
-<span class="sourceLineNo">120</span>  private long flushLogId = 0;<a name="line.120"></a>
-<span class="sourceLineNo">121</span>  private int slotIndex = 0;<a name="line.121"></a>
-<span class="sourceLineNo">122</span>  private Thread syncThread;<a name="line.122"></a>
-<span class="sourceLineNo">123</span>  private ByteSlot[] slots;<a name="line.123"></a>
-<span class="sourceLineNo">124</span><a name="line.124"></a>
-<span class="sourceLineNo">125</span>  private int maxRetriesBeforeRoll;<a name="line.125"></a>
-<span class="sourceLineNo">126</span>  private int maxSyncFailureRoll;<a name="line.126"></a>
-<span class="sourceLineNo">127</span>  private int waitBeforeRoll;<a name="line.127"></a>
-<span class="sourceLineNo">128</span>  private int rollRetries;<a name="line.128"></a>
-<span class="sourceLineNo">129</span>  private int periodicRollMsec;<a name="line.129"></a>
-<span class="sourceLineNo">130</span>  private long rollThreshold;<a name="line.130"></a>
-<span class="sourceLineNo">131</span>  private boolean useHsync;<a name="line.131"></a>
-<span class="sourceLineNo">132</span>  private int syncWaitMsec;<a name="line.132"></a>
-<span class="sourceLineNo">133</span><a name="line.133"></a>
-<span class="sourceLineNo">134</span>  public WALProcedureStore(final Configuration conf, final FileSystem fs, final Path logDir,<a name="line.134"></a>
-<span class="sourceLineNo">135</span>      final LeaseRecovery leaseRecovery) {<a name="line.135"></a>
-<span class="sourceLineNo">136</span>    this.fs = fs;<a name="line.136"></a>
-<span class="sourceLineNo">137</span>    this.conf = conf;<a name="line.137"></a>
-<span class="sourceLineNo">138</span>    this.logDir = logDir;<a name="line.138"></a>
-<span class="sourceLineNo">139</span>    this.leaseRecovery = leaseRecovery;<a name="line.139"></a>
-<span class="sourceLineNo">140</span>  }<a name="line.140"></a>
-<span class="sourceLineNo">141</span><a name="line.141"></a>
-<span class="sourceLineNo">142</span>  @Override<a name="line.142"></a>
-<span class="sourceLineNo">143</span>  public void start(int numSlots) throws IOException {<a name="line.143"></a>
-<span class="sourceLineNo">144</span>    if (!setRunning(true)) {<a name="line.144"></a>
-<span class="sourceLineNo">145</span>      return;<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>    // Init buffer slots<a name="line.148"></a>
-<span class="sourceLineNo">149</span>    slots = new ByteSlot[numSlots];<a name="line.149"></a>
-<span class="sourceLineNo">150</span>    slotsCache = new LinkedTransferQueue();<a name="line.150"></a>
-<span class="sourceLineNo">151</span>    while (slotsCache.size() &lt; numSlots) {<a name="line.151"></a>
-<span class="sourceLineNo">152</span>      slotsCache.offer(new ByteSlot());<a name="line.152"></a>
-<span class="sourceLineNo">153</span>    }<a name="line.153"></a>
-<span class="sourceLineNo">154</span><a name="line.154"></a>
-<span class="sourceLineNo">155</span>    // Tunings<a name="line.155"></a>
-<span class="sourceLineNo">156</span>    maxRetriesBeforeRoll =<a name="line.156"></a>
-<span class="sourceLineNo">157</span>      conf.getInt(MAX_RETRIES_BEFORE_ROLL_CONF_KEY, DEFAULT_MAX_RETRIES_BEFORE_ROLL);<a name="line.157"></a>
-<span class="sourceLineNo">158</span>    maxSyncFailureRoll = conf.getInt(MAX_SYNC_FAILURE_ROLL_CONF_KEY, DEFAULT_MAX_SYNC_FAILURE_ROLL);<a name="line.158"></a>
-<span class="sourceLineNo">159</span>    waitBeforeRoll = conf.getInt(WAIT_BEFORE_ROLL_CONF_KEY, DEFAULT_WAIT_BEFORE_ROLL);<a name="line.159"></a>
-<span class="sourceLineNo">160</span>    rollRetries = conf.getInt(ROLL_RETRIES_CONF_KEY, DEFAULT_ROLL_RETRIES);<a name="line.160"></a>
-<span class="sourceLineNo">161</span>    rollThreshold = conf.getLong(ROLL_THRESHOLD_CONF_KEY, DEFAULT_ROLL_THRESHOLD);<a name="line.161"></a>
-<span class="sourceLineNo">162</span>    periodicRollMsec = conf.getInt(PERIODIC_ROLL_CONF_KEY, DEFAULT_PERIODIC_ROLL);<a name="line.162"></a>
-<span class="sourceLineNo">163</span>    syncWaitMsec = conf.getInt(SYNC_WAIT_MSEC_CONF_KEY, DEFAULT_SYNC_WAIT_MSEC);<a name="line.163"></a>
-<span class="sourceLineNo">164</span>    useHsync = conf.getBoolean(USE_HSYNC_CONF_KEY, DEFAULT_USE_HSYNC);<a name="line.164"></a>
-<span class="sourceLineNo">165</span><a name="line.165"></a>
-<span class="sourceLineNo">166</span>    // Init sync thread<a name="line.166"></a>
-<span class="sourceLineNo">167</span>    syncThread = new Thread("WALProcedureStoreSyncThread") {<a name="line.167"></a>
-<span class="sourceLineNo">168</span>      @Override<a name="line.168"></a>
-<span class="sourceLineNo">169</span>      public void run() {<a name="line.169"></a>
-<span class="sourceLineNo">170</span>        try {<a name="line.170"></a>
-<span class="sourceLineNo">171</span>          syncLoop();<a name="line.171"></a>
-<span class="sourceLineNo">172</span>        } catch (Throwable e) {<a name="line.172"></a>
-<span class="sourceLineNo">173</span>          LOG.error("Got an exception from the sync-loop", e);<a name="line.173"></a>
-<span class="sourceLineNo">174</span>          if (!isSyncAborted()) {<a name="line.174"></a>
-<span class="sourceLineNo">175</span>            sendAbortProcessSignal();<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>      }<a name="line.178"></a>
-<span class="sourceLineNo">179</span>    };<a name="line.179"></a>
-<span class="sourceLineNo">180</span>    syncThread.start();<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>
-<span class="sourceLineNo">183</span>  @Override<a name="line.183"></a>
-<span class="sourceLineNo">184</span>  public void stop(boolean abort) {<a name="line.184"></a>
-<span class="sourceLineNo">185</span>    if (!setRunning(false)) {<a name="line.185"></a>
-<span class="sourceLineNo">186</span>      return;<a name="line.186"></a>
-<span class="sourceLineNo">187</span>    }<a name="line.187"></a>
-<span class="sourceLineNo">188</span><a name="line.188"></a>
-<span class="sourceLineNo">189</span>    LOG.info("Stopping the WAL Procedure Store");<a name="line.189"></a>
-<span class="sourceLineNo">190</span>    if (lock.tryLock()) {<a name="line.190"></a>
-<span class="sourceLineNo">191</span>      try {<a name="line.191"></a>
-<span class="sourceLineNo">192</span>        waitCond.signalAll();<a name="line.192"></a>
-<span class="sourceLineNo">193</span>        syncCond.signalAll();<a name="line.193"></a>
-<span class="sourceLineNo">194</span>      } finally {<a name="line.194"></a>
-<span class="sourceLineNo">195</span>        lock.unlock();<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>    if (!abort) {<a name="line.199"></a>
-<span class="sourceLineNo">200</span>      try {<a name="line.200"></a>
-<span class="sourceLineNo">201</span>        syncThread.join();<a name="line.201"></a>
-<span class="sourceLineNo">202</span>      } catch (InterruptedException e) {<a name="line.202"></a>
-<span class="sourceLineNo">203</span>        Thread.currentThread().interrupt();<a name="line.203"></a>
-<span class="sourceLineNo">204</span>      }<a name="line.204"></a>
-<span class="sourceLineNo">205</span>    }<a name="line.205"></a>
-<span class="sourceLineNo">206</span><a name="line.206"></a>
-<span class="sourceLineNo">207</span>    // Close the writer<a name="line.207"></a>
-<span class="sourceLineNo">208</span>    closeStream();<a name="line.208"></a>
-<span class="sourceLineNo">209</span><a name="line.209"></a>
-<span class="sourceLineNo">210</span>    // Close the old logs<a name="line.210"></a>
-<span class="sourceLineNo">211</span>    // they should be already closed, this is just in case the load fails<a name="line.211"></a>
-<span class="sourceLineNo">212</span>    // and we call start() and then stop()<a name="line.212"></a>
-<span class="sourceLineNo">213</span>    for (ProcedureWALFile log: logs) {<a name="line.213"></a>
-<span class="sourceLineNo">214</span>      log.close();<a name="line.214"></a>
-<span class="sourceLineNo">215</span>    }<a name="line.215"></a>
-<span class="sourceLineNo">216</span>    logs.clear();<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>  @Override<a name="line.219"></a>
-<span class="sourceLineNo">220</span>  public int getNumThreads() {<a name="line.220"></a>
-<span class="sourceLineNo">221</span>    return slots == null ? 0 : slots.length;<a name="line.221"></a>
-<span class="sourceLineNo">222</span>  }<a name="line.222"></a>
-<span class="sourceLineNo">223</span><a name="line.223"></a>
-<span class="sourceLineNo">224</span>  public ProcedureStoreTracker getStoreTracker() {<a name="line.224"></a>
-<span class="sourceLineNo">225</span>    return storeTracker;<a name="line.225"></a>
-<span class="sourceLineNo">226</span>  }<a name="line.226"></a>
-<span class="sourceLineNo">227</span><a name="line.227"></a>
-<span class="sourceLineNo">228</span>  @Override<a name="line.228"></a>
-<span class="sourceLineNo">229</span>  public void recoverLease() throws IOException {<a name="line.229"></a>
-<span class="sourceLineNo">230</span>    LOG.info("Starting WAL Procedure Store lease recovery");<a name="line.230"></a>
-<span class="sourceLineNo">231</span>    FileStatus[] oldLogs = getLogFiles();<a name="line.231"></a>
-<span class="sourceLineNo">232</span>    while (isRunning()) {<a name="line.232"></a>
-<span class="sourceLineNo">233</span>      // Get Log-MaxID and recover lease on old logs<a name="line.233"></a>
-<span class="sourceLineNo">234</span>      flushLogId = initOldLogs(oldLogs);<a name="line.234"></a>
-<span class="sourceLineNo">235</span><a name="line.235"></a>
-<span class="sourceLineNo">236</span>      // Create new state-log<a name="line.236"></a>
-<span class="sourceLineNo">237</span>      if (!rollWriter(flushLogId + 1)) {<a name="line.237"></a>
-<span class="sourceLineNo">238</span>        // someone else has already created this log<a name="line.238"></a>
-<span class="sourceLineNo">239</span>        LOG.debug("someone else has already created log " + flushLogId);<a name="line.239"></a>
-<span class="sourceLineNo">240</span>        continue;<a name="line.240"></a>
-<span class="sourceLineNo">241</span>      }<a name="line.241"></a>
-<span class="sourceLineNo">242</span><a name="line.242"></a>
-<span class="sourceLineNo">243</span>      // We have the lease on the log<a name="line.243"></a>
-<span class="sourceLineNo">244</span>      oldLogs = getLogFiles();<a name="line.244"></a>
-<span class="sourceLineNo">245</span>      if (getMaxLogId(oldLogs) &gt; flushLogId) {<a name="line.245"></a>
-<span class="sourceLineNo">246</span>        if (LOG.isDebugEnabled()) {<a name="line.246"></a>
-<span class="sourceLineNo">247</span>          LOG.debug("Someone else created new logs. Expected maxLogId &lt; " + flushLogId);<a name="line.247"></a>
-<span class="sourceLineNo">248</span>        }<a name="line.248"></a>
-<span class="sourceLineNo">249</span>        logs.getLast().removeFile();<a name="line.249"></a>
-<span class="sourceLineNo">250</span>        continue;<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>      LOG.info("Lease acquired for flushLogId: " + flushLogId);<a name="line.253"></a>
-<span class="sourceLineNo">254</span>      break;<a name="line.254"></a>
-<span class="sourceLineNo">255</span>    }<a name="line.255"></a>
-<span class="sourceLineNo">256</span>  }<a name="line.256"></a>
-<span class="sourceLineNo">257</span><a name="line.257"></a>
-<span class="sourceLineNo">258</span>  @Override<a name="line.258"></a>
-<span class="sourceLineNo">259</span>  public void load(final ProcedureLoader loader) throws IOException {<a name="line.259"></a>
-<span class="sourceLineNo">260</span>    if (logs.isEmpty()) {<a name="line.260"></a>
-<span class="sourceLineNo">261</span>      throw new RuntimeException("recoverLease() must be called before loading data");<a name="line.261"></a>
-<span class="sourceLineNo">262</span>    }<a name="line.262"></a>
-<span class="sourceLineNo">263</span><a name="line.263"></a>
-<span class="sourceLineNo">264</span>    // Nothing to do, If we have only the current log.<a name="line.264"></a>
-<span class="sourceLineNo">265</span>    if (logs.size() == 1) {<a name="line.265"></a>
-<span class="sourceLineNo">266</span>      if (LOG.isDebugEnabled()) {<a name="line.266"></a>
-<span class="sourceLineNo">267</span>        LOG.debug("No state logs to replay.");<a name="line.267"></a>
-<span class="sourceLineNo">268</span>      }<a name="line.268"></a>
-<span class="sourceLineNo">269</span>      loader.setMaxProcId(0);<a name="line.269"></a>
-<span class="sourceLineNo">270</span>      return;<a name="line.270"></a>
+<span class="sourceLineNo">103</span>  private final AtomicLong inactiveLogsMaxId = new AtomicLong(0);<a name="line.103"></a>
+<span class="sourceLineNo">104</span>  private final ReentrantLock lock = new ReentrantLock();<a name="line.104"></a>
+<span class="sourceLineNo">105</span>  private final Condition waitCond = lock.newCondition();<a name="line.105"></a>
+<span class="sourceLineNo">106</span>  private final Condition slotCond = lock.newCondition();<a name="line.106"></a>
+<span class="sourceLineNo">107</span>  private final Condition syncCond = lock.newCondition();<a name="line.107"></a>
+<span class="sourceLineNo">108</span><a name="line.108"></a>
+<span class="sourceLineNo">109</span>  private final LeaseRecovery leaseRecovery;<a name="line.109"></a>
+<span class="sourceLineNo">110</span>  private final Configuration conf;<a name="line.110"></a>
+<span class="sourceLineNo">111</span>  private final FileSystem fs;<a name="line.111"></a>
+<span class="sourceLineNo">112</span>  private final Path logDir;<a name="line.112"></a>
+<span class="sourceLineNo">113</span><a name="line.113"></a>
+<span class="sourceLineNo">114</span>  private AtomicBoolean inSync = new AtomicBoolean(false);<a name="line.114"></a>
+<span class="sourceLineNo">115</span>  private AtomicReference&lt;Throwable&gt; syncException = new AtomicReference&lt;&gt;();<a name="line.115"></a>
+<span class="sourceLineNo">116</span>  private LinkedTransferQueue&lt;ByteSlot&gt; slotsCache = null;<a name="line.116"></a>
+<span class="sourceLineNo">117</span>  private Set&lt;ProcedureWALFile&gt; corruptedLogs = null;<a name="line.117"></a>
+<span class="sourceLineNo">118</span>  private AtomicLong totalSynced = new AtomicLong(0);<a name="line.118"></a>
+<span class="sourceLineNo">119</span>  private AtomicLong lastRollTs = new AtomicLong(0);<a name="line.119"></a>
+<span class="sourceLineNo">120</span>  private FSDataOutputStream stream = null;<a name="line.120"></a>
+<span class="sourceLineNo">121</span>  private long flushLogId = 0;<a name="line.121"></a>
+<span class="sourceLineNo">122</span>  private int slotIndex = 0;<a name="line.122"></a>
+<span class="sourceLineNo">123</span>  private Thread syncThread;<a name="line.123"></a>
+<span class="sourceLineNo">124</span>  private ByteSlot[] slots;<a name="line.124"></a>
+<span class="sourceLineNo">125</span><a name="line.125"></a>
+<span class="sourceLineNo">126</span>  private int maxRetriesBeforeRoll;<a name="line.126"></a>
+<span class="sourceLineNo">127</span>  private int maxSyncFailureRoll;<a name="line.127"></a>
+<span class="sourceLineNo">128</span>  private int waitBeforeRoll;<a name="line.128"></a>
+<span class="sourceLineNo">129</span>  private int rollRetries;<a name="line.129"></a>
+<span class="sourceLineNo">130</span>  private int periodicRollMsec;<a name="line.130"></a>
+<span class="sourceLineNo">131</span>  private long rollThreshold;<a name="line.131"></a>
+<span class="sourceLineNo">132</span>  private boolean useHsync;<a name="line.132"></a>
+<span class="sourceLineNo">133</span>  private int syncWaitMsec;<a name="line.133"></a>
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+<span class="sourceLineNo">136</span>      final LeaseRecovery leaseRecovery) {<a name="line.136"></a>
+<span class="sourceLineNo">137</span>    this.fs = fs;<a name="line.137"></a>
+<span class="sourceLineNo">138</span>    this.conf = conf;<a name="line.138"></a>
+<span class="sourceLineNo">139</span>    this.logDir = logDir;<a name="line.139"></a>
+<span class="sourceLineNo">140</span>    this.leaseRecovery = leaseRecovery;<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>  @Override<a name="line.143"></a>
+<span class="sourceLineNo">144</span>  public void start(int numSlots) throws IOException {<a name="line.144"></a>
+<span class="sourceLineNo">145</span>    if (!setRunning(true)) {<a name="line.145"></a>
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+<span class="sourceLineNo">148</span><a name="line.148"></a>
+<span class="sourceLineNo">149</span>    // Init buffer slots<a name="line.149"></a>
+<span class="sourceLineNo">150</span>    slots = new ByteSlot[numSlots];<a name="line.150"></a>
+<span class="sourceLineNo">151</span>    slotsCache = new LinkedTransferQueue();<a name="line.151"></a>
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+<span class="sourceLineNo">153</span>      slotsCache.offer(new ByteSlot());<a name="line.153"></a>
+<span class="sourceLineNo">154</span>    }<a name="line.154"></a>
+<span class="sourceLineNo">155</span><a name="line.155"></a>
+<span class="sourceLineNo">156</span>    // Tunings<a name="line.156"></a>
+<span class="sourceLineNo">157</span>    maxRetriesBeforeRoll =<a name="line.157"></a>
+<span class="sourceLineNo">158</span>      conf.getInt(MAX_RETRIES_BEFORE_ROLL_CONF_KEY, DEFAULT_MAX_RETRIES_BEFORE_ROLL);<a name="line.158"></a>
+<span class="sourceLineNo">159</span>    maxSyncFailureRoll = conf.getInt(MAX_SYNC_FAILURE_ROLL_CONF_KEY, DEFAULT_MAX_SYNC_FAILURE_ROLL);<a name="line.159"></a>
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+<span class="sourceLineNo">537</span>                        StringUtils.humanSize(totalSynced.get() / rollTsSec)));<a name="line.537"></a>
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+<span class="sourceLineNo">5

<TRUNCATED>

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