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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/05/24 14:48:39 UTC

[19/51] [partial] hbase-site git commit: Published site at f3d1c021de2264301f68eadb9ef126ff83d7ef53.

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/883dde2f/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.LogsComparator.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.LogsComparator.html b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.LogsComparator.html
index a99b4a7..119472c 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.LogsComparator.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/replication/regionserver/ReplicationSource.LogsComparator.html
@@ -109,528 +109,529 @@
 <span class="sourceLineNo">101</span>  protected FileSystem fs;<a name="line.101"></a>
 <span class="sourceLineNo">102</span>  // id of this cluster<a name="line.102"></a>
 <span class="sourceLineNo">103</span>  private UUID clusterId;<a name="line.103"></a>
-<span class="sourceLineNo">104</span>  // id of the other cluster<a name="line.104"></a>
-<span class="sourceLineNo">105</span>  private UUID peerClusterId;<a name="line.105"></a>
-<span class="sourceLineNo">106</span>  // total number of edits we replicated<a name="line.106"></a>
-<span class="sourceLineNo">107</span>  private AtomicLong totalReplicatedEdits = new AtomicLong(0);<a name="line.107"></a>
-<span class="sourceLineNo">108</span>  // The znode we currently play with<a name="line.108"></a>
-<span class="sourceLineNo">109</span>  protected String queueId;<a name="line.109"></a>
-<span class="sourceLineNo">110</span>  // Maximum number of retries before taking bold actions<a name="line.110"></a>
-<span class="sourceLineNo">111</span>  private int maxRetriesMultiplier;<a name="line.111"></a>
-<span class="sourceLineNo">112</span>  // Indicates if this particular source is running<a name="line.112"></a>
-<span class="sourceLineNo">113</span>  private volatile boolean sourceRunning = false;<a name="line.113"></a>
-<span class="sourceLineNo">114</span>  // Metrics for this source<a name="line.114"></a>
-<span class="sourceLineNo">115</span>  private MetricsSource metrics;<a name="line.115"></a>
-<span class="sourceLineNo">116</span>  // WARN threshold for the number of queued logs, defaults to 2<a name="line.116"></a>
-<span class="sourceLineNo">117</span>  private int logQueueWarnThreshold;<a name="line.117"></a>
-<span class="sourceLineNo">118</span>  // ReplicationEndpoint which will handle the actual replication<a name="line.118"></a>
-<span class="sourceLineNo">119</span>  private volatile ReplicationEndpoint replicationEndpoint;<a name="line.119"></a>
-<span class="sourceLineNo">120</span>  // A filter (or a chain of filters) for the WAL entries.<a name="line.120"></a>
-<span class="sourceLineNo">121</span>  protected WALEntryFilter walEntryFilter;<a name="line.121"></a>
-<span class="sourceLineNo">122</span>  // throttler<a name="line.122"></a>
-<span class="sourceLineNo">123</span>  private ReplicationThrottler throttler;<a name="line.123"></a>
-<span class="sourceLineNo">124</span>  private long defaultBandwidth;<a name="line.124"></a>
-<span class="sourceLineNo">125</span>  private long currentBandwidth;<a name="line.125"></a>
-<span class="sourceLineNo">126</span>  private WALFileLengthProvider walFileLengthProvider;<a name="line.126"></a>
-<span class="sourceLineNo">127</span>  protected final ConcurrentHashMap&lt;String, ReplicationSourceShipper&gt; workerThreads =<a name="line.127"></a>
-<span class="sourceLineNo">128</span>      new ConcurrentHashMap&lt;&gt;();<a name="line.128"></a>
+<span class="sourceLineNo">104</span>  // total number of edits we replicated<a name="line.104"></a>
+<span class="sourceLineNo">105</span>  private AtomicLong totalReplicatedEdits = new AtomicLong(0);<a name="line.105"></a>
+<span class="sourceLineNo">106</span>  // The znode we currently play with<a name="line.106"></a>
+<span class="sourceLineNo">107</span>  protected String queueId;<a name="line.107"></a>
+<span class="sourceLineNo">108</span>  // Maximum number of retries before taking bold actions<a name="line.108"></a>
+<span class="sourceLineNo">109</span>  private int maxRetriesMultiplier;<a name="line.109"></a>
+<span class="sourceLineNo">110</span>  // Indicates if this particular source is running<a name="line.110"></a>
+<span class="sourceLineNo">111</span>  private volatile boolean sourceRunning = false;<a name="line.111"></a>
+<span class="sourceLineNo">112</span>  // Metrics for this source<a name="line.112"></a>
+<span class="sourceLineNo">113</span>  private MetricsSource metrics;<a name="line.113"></a>
+<span class="sourceLineNo">114</span>  // WARN threshold for the number of queued logs, defaults to 2<a name="line.114"></a>
+<span class="sourceLineNo">115</span>  private int logQueueWarnThreshold;<a name="line.115"></a>
+<span class="sourceLineNo">116</span>  // ReplicationEndpoint which will handle the actual replication<a name="line.116"></a>
+<span class="sourceLineNo">117</span>  private volatile ReplicationEndpoint replicationEndpoint;<a name="line.117"></a>
+<span class="sourceLineNo">118</span>  // A filter (or a chain of filters) for the WAL entries.<a name="line.118"></a>
+<span class="sourceLineNo">119</span>  protected volatile WALEntryFilter walEntryFilter;<a name="line.119"></a>
+<span class="sourceLineNo">120</span>  // throttler<a name="line.120"></a>
+<span class="sourceLineNo">121</span>  private ReplicationThrottler throttler;<a name="line.121"></a>
+<span class="sourceLineNo">122</span>  private long defaultBandwidth;<a name="line.122"></a>
+<span class="sourceLineNo">123</span>  private long currentBandwidth;<a name="line.123"></a>
+<span class="sourceLineNo">124</span>  private WALFileLengthProvider walFileLengthProvider;<a name="line.124"></a>
+<span class="sourceLineNo">125</span>  protected final ConcurrentHashMap&lt;String, ReplicationSourceShipper&gt; workerThreads =<a name="line.125"></a>
+<span class="sourceLineNo">126</span>      new ConcurrentHashMap&lt;&gt;();<a name="line.126"></a>
+<span class="sourceLineNo">127</span><a name="line.127"></a>
+<span class="sourceLineNo">128</span>  private AtomicLong totalBufferUsed;<a name="line.128"></a>
 <span class="sourceLineNo">129</span><a name="line.129"></a>
-<span class="sourceLineNo">130</span>  private AtomicLong totalBufferUsed;<a name="line.130"></a>
-<span class="sourceLineNo">131</span><a name="line.131"></a>
-<span class="sourceLineNo">132</span>  public static final String WAIT_ON_ENDPOINT_SECONDS =<a name="line.132"></a>
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-<span class="sourceLineNo">134</span>  public static final int DEFAULT_WAIT_ON_ENDPOINT_SECONDS = 30;<a name="line.134"></a>
-<span class="sourceLineNo">135</span>  private int waitOnEndpointSeconds = -1;<a name="line.135"></a>
+<span class="sourceLineNo">130</span>  public static final String WAIT_ON_ENDPOINT_SECONDS =<a name="line.130"></a>
+<span class="sourceLineNo">131</span>    "hbase.replication.wait.on.endpoint.seconds";<a name="line.131"></a>
+<span class="sourceLineNo">132</span>  public static final int DEFAULT_WAIT_ON_ENDPOINT_SECONDS = 30;<a name="line.132"></a>
+<span class="sourceLineNo">133</span>  private int waitOnEndpointSeconds = -1;<a name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span>  private Thread initThread;<a name="line.135"></a>
 <span class="sourceLineNo">136</span><a name="line.136"></a>
-<span class="sourceLineNo">137</span>  private Thread initThread;<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>   * Instantiation method used by region servers<a name="line.140"></a>
-<span class="sourceLineNo">141</span>   * @param conf configuration to use<a name="line.141"></a>
-<span class="sourceLineNo">142</span>   * @param fs file system to use<a name="line.142"></a>
-<span class="sourceLineNo">143</span>   * @param manager replication manager to ping to<a name="line.143"></a>
-<span class="sourceLineNo">144</span>   * @param server the server for this region server<a name="line.144"></a>
-<span class="sourceLineNo">145</span>   * @param queueId the id of our replication queue<a name="line.145"></a>
-<span class="sourceLineNo">146</span>   * @param clusterId unique UUID for the cluster<a name="line.146"></a>
-<span class="sourceLineNo">147</span>   * @param metrics metrics for replication source<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 init(Configuration conf, FileSystem fs, ReplicationSourceManager manager,<a name="line.150"></a>
-<span class="sourceLineNo">151</span>      ReplicationQueueStorage queueStorage, ReplicationPeer replicationPeer, Server server,<a name="line.151"></a>
-<span class="sourceLineNo">152</span>      String queueId, UUID clusterId, WALFileLengthProvider walFileLengthProvider,<a name="line.152"></a>
-<span class="sourceLineNo">153</span>      MetricsSource metrics) throws IOException {<a name="line.153"></a>
-<span class="sourceLineNo">154</span>    this.server = server;<a name="line.154"></a>
-<span class="sourceLineNo">155</span>    this.conf = HBaseConfiguration.create(conf);<a name="line.155"></a>
-<span class="sourceLineNo">156</span>    this.waitOnEndpointSeconds =<a name="line.156"></a>
-<span class="sourceLineNo">157</span>      this.conf.getInt(WAIT_ON_ENDPOINT_SECONDS, DEFAULT_WAIT_ON_ENDPOINT_SECONDS);<a name="line.157"></a>
-<span class="sourceLineNo">158</span>    decorateConf();<a name="line.158"></a>
-<span class="sourceLineNo">159</span>    this.sleepForRetries =<a name="line.159"></a>
-<span class="sourceLineNo">160</span>        this.conf.getLong("replication.source.sleepforretries", 1000);    // 1 second<a name="line.160"></a>
-<span class="sourceLineNo">161</span>    this.maxRetriesMultiplier =<a name="line.161"></a>
-<span class="sourceLineNo">162</span>        this.conf.getInt("replication.source.maxretriesmultiplier", 300); // 5 minutes @ 1 sec per<a name="line.162"></a>
-<span class="sourceLineNo">163</span>    this.queueSizePerGroup = this.conf.getInt("hbase.regionserver.maxlogs", 32);<a name="line.163"></a>
-<span class="sourceLineNo">164</span>    this.queueStorage = queueStorage;<a name="line.164"></a>
-<span class="sourceLineNo">165</span>    this.replicationPeer = replicationPeer;<a name="line.165"></a>
-<span class="sourceLineNo">166</span>    this.manager = manager;<a name="line.166"></a>
-<span class="sourceLineNo">167</span>    this.fs = fs;<a name="line.167"></a>
-<span class="sourceLineNo">168</span>    this.metrics = metrics;<a name="line.168"></a>
-<span class="sourceLineNo">169</span>    this.clusterId = clusterId;<a name="line.169"></a>
-<span class="sourceLineNo">170</span><a name="line.170"></a>
-<span class="sourceLineNo">171</span>    this.queueId = queueId;<a name="line.171"></a>
-<span class="sourceLineNo">172</span>    this.replicationQueueInfo = new ReplicationQueueInfo(queueId);<a name="line.172"></a>
-<span class="sourceLineNo">173</span>    // ReplicationQueueInfo parses the peerId out of the znode for us<a name="line.173"></a>
-<span class="sourceLineNo">174</span>    this.peerId = this.replicationQueueInfo.getPeerId();<a name="line.174"></a>
-<span class="sourceLineNo">175</span>    this.logQueueWarnThreshold = this.conf.getInt("replication.source.log.queue.warn", 2);<a name="line.175"></a>
-<span class="sourceLineNo">176</span><a name="line.176"></a>
-<span class="sourceLineNo">177</span>    defaultBandwidth = this.conf.getLong("replication.source.per.peer.node.bandwidth", 0);<a name="line.177"></a>
-<span class="sourceLineNo">178</span>    currentBandwidth = getCurrentBandwidth();<a name="line.178"></a>
-<span class="sourceLineNo">179</span>    this.throttler = new ReplicationThrottler((double) currentBandwidth / 10.0);<a name="line.179"></a>
-<span class="sourceLineNo">180</span>    this.totalBufferUsed = manager.getTotalBufferUsed();<a name="line.180"></a>
-<span class="sourceLineNo">181</span>    this.walFileLengthProvider = walFileLengthProvider;<a name="line.181"></a>
-<span class="sourceLineNo">182</span>    LOG.info("queueId=" + queueId + ", ReplicationSource : " + peerId<a name="line.182"></a>
-<span class="sourceLineNo">183</span>        + ", currentBandwidth=" + this.currentBandwidth);<a name="line.183"></a>
-<span class="sourceLineNo">184</span>  }<a name="line.184"></a>
-<span class="sourceLineNo">185</span><a name="line.185"></a>
-<span class="sourceLineNo">186</span>  private void decorateConf() {<a name="line.186"></a>
-<span class="sourceLineNo">187</span>    String replicationCodec = this.conf.get(HConstants.REPLICATION_CODEC_CONF_KEY);<a name="line.187"></a>
-<span class="sourceLineNo">188</span>    if (StringUtils.isNotEmpty(replicationCodec)) {<a name="line.188"></a>
-<span class="sourceLineNo">189</span>      this.conf.set(HConstants.RPC_CODEC_CONF_KEY, replicationCodec);<a name="line.189"></a>
-<span class="sourceLineNo">190</span>    }<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>  @Override<a name="line.193"></a>
-<span class="sourceLineNo">194</span>  public void enqueueLog(Path log) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span>    String logPrefix = AbstractFSWALProvider.getWALPrefixFromWALName(log.getName());<a name="line.195"></a>
-<span class="sourceLineNo">196</span>    PriorityBlockingQueue&lt;Path&gt; queue = queues.get(logPrefix);<a name="line.196"></a>
-<span class="sourceLineNo">197</span>    if (queue == null) {<a name="line.197"></a>
-<span class="sourceLineNo">198</span>      queue = new PriorityBlockingQueue&lt;&gt;(queueSizePerGroup, new LogsComparator());<a name="line.198"></a>
-<span class="sourceLineNo">199</span>      queues.put(logPrefix, queue);<a name="line.199"></a>
-<span class="sourceLineNo">200</span>      if (this.isSourceActive() &amp;&amp; this.replicationEndpoint != null) {<a name="line.200"></a>
-<span class="sourceLineNo">201</span>        // new wal group observed after source startup, start a new worker thread to track it<a name="line.201"></a>
-<span class="sourceLineNo">202</span>        // notice: it's possible that log enqueued when this.running is set but worker thread<a name="line.202"></a>
-<span class="sourceLineNo">203</span>        // still not launched, so it's necessary to check workerThreads before start the worker<a name="line.203"></a>
-<span class="sourceLineNo">204</span>        tryStartNewShipper(logPrefix, queue);<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>    queue.put(log);<a name="line.207"></a>
-<span class="sourceLineNo">208</span>    this.metrics.incrSizeOfLogQueue();<a name="line.208"></a>
-<span class="sourceLineNo">209</span>    // This will log a warning for each new log that gets created above the warn threshold<a name="line.209"></a>
-<span class="sourceLineNo">210</span>    int queueSize = queue.size();<a name="line.210"></a>
-<span class="sourceLineNo">211</span>    if (queueSize &gt; this.logQueueWarnThreshold) {<a name="line.211"></a>
-<span class="sourceLineNo">212</span>      LOG.warn("WAL group " + logPrefix + " queue size: " + queueSize<a name="line.212"></a>
-<span class="sourceLineNo">213</span>          + " exceeds value of replication.source.log.queue.warn: " + logQueueWarnThreshold);<a name="line.213"></a>
-<span class="sourceLineNo">214</span>    }<a name="line.214"></a>
-<span class="sourceLineNo">215</span>  }<a name="line.215"></a>
-<span class="sourceLineNo">216</span><a name="line.216"></a>
-<span class="sourceLineNo">217</span>  @Override<a name="line.217"></a>
-<span class="sourceLineNo">218</span>  public void addHFileRefs(TableName tableName, byte[] family, List&lt;Pair&lt;Path, Path&gt;&gt; pairs)<a name="line.218"></a>
-<span class="sourceLineNo">219</span>      throws ReplicationException {<a name="line.219"></a>
-<span class="sourceLineNo">220</span>    Map&lt;TableName, List&lt;String&gt;&gt; tableCFMap = replicationPeer.getTableCFs();<a name="line.220"></a>
-<span class="sourceLineNo">221</span>    if (tableCFMap != null) {<a name="line.221"></a>
-<span class="sourceLineNo">222</span>      List&lt;String&gt; tableCfs = tableCFMap.get(tableName);<a name="line.222"></a>
-<span class="sourceLineNo">223</span>      if (tableCFMap.containsKey(tableName)<a name="line.223"></a>
-<span class="sourceLineNo">224</span>          &amp;&amp; (tableCfs == null || tableCfs.contains(Bytes.toString(family)))) {<a name="line.224"></a>
-<span class="sourceLineNo">225</span>        this.queueStorage.addHFileRefs(peerId, pairs);<a name="line.225"></a>
-<span class="sourceLineNo">226</span>        metrics.incrSizeOfHFileRefsQueue(pairs.size());<a name="line.226"></a>
-<span class="sourceLineNo">227</span>      } else {<a name="line.227"></a>
-<span class="sourceLineNo">228</span>        LOG.debug("HFiles will not be replicated belonging to the table " + tableName + " family "<a name="line.228"></a>
-<span class="sourceLineNo">229</span>            + Bytes.toString(family) + " to peer id " + peerId);<a name="line.229"></a>
-<span class="sourceLineNo">230</span>      }<a name="line.230"></a>
-<span class="sourceLineNo">231</span>    } else {<a name="line.231"></a>
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-<span class="sourceLineNo">233</span>      // data<a name="line.233"></a>
-<span class="sourceLineNo">234</span>      this.queueStorage.addHFileRefs(peerId, pairs);<a name="line.234"></a>
-<span class="sourceLineNo">235</span>      metrics.incrSizeOfHFileRefsQueue(pairs.size());<a name="line.235"></a>
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-<span class="sourceLineNo">238</span><a name="line.238"></a>
-<span class="sourceLineNo">239</span>  private ReplicationEndpoint createReplicationEndpoint()<a name="line.239"></a>
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-<span class="sourceLineNo">241</span>    RegionServerCoprocessorHost rsServerHost = null;<a name="line.241"></a>
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-<span class="sourceLineNo">243</span>      rsServerHost = ((HRegionServer) server).getRegionServerCoprocessorHost();<a name="line.243"></a>
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-<span class="sourceLineNo">245</span>    String replicationEndpointImpl = replicationPeer.getPeerConfig().getReplicationEndpointImpl();<a name="line.245"></a>
-<span class="sourceLineNo">246</span><a name="line.246"></a>
-<span class="sourceLineNo">247</span>    ReplicationEndpoint replicationEndpoint;<a name="line.247"></a>
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-<span class="sourceLineNo">249</span>      // Default to HBase inter-cluster replication endpoint; skip reflection<a name="line.249"></a>
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-<span class="sourceLineNo">254</span>            .asSubclass(ReplicationEndpoint.class)<a name="line.254"></a>
-<span class="sourceLineNo">255</span>            .getDeclaredConstructor()<a name="line.255"></a>
-<span class="sourceLineNo">256</span>            .newInstance();<a name="line.256"></a>
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-<span class="sourceLineNo">261</span>    if (rsServerHost != null) {<a name="line.261"></a>
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-<span class="sourceLineNo">263</span>        rsServerHost.postCreateReplicationEndPoint(replicationEndpoint);<a name="line.263"></a>
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-<span class="sourceLineNo">265</span>        // Override the newly created endpoint from the hook with configured end point<a name="line.265"></a>
-<span class="sourceLineNo">266</span>        replicationEndpoint = newReplicationEndPoint;<a name="line.266"></a>
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-<span class="sourceLineNo">272</span>  private void initAndStartReplicationEndpoint(ReplicationEndpoint replicationEndpoint)<a name="line.272"></a>
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-<span class="sourceLineNo">274</span>    TableDescriptors tableDescriptors = null;<a name="line.274"></a>
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-<span class="sourceLineNo">276</span>      tableDescriptors = ((HRegionServer) server).getTableDescriptors();<a name="line.276"></a>
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-<span class="sourceLineNo">278</span>    replicationEndpoint<a name="line.278"></a>
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-<span class="sourceLineNo">282</span>    replicationEndpoint.awaitRunning(waitOnEndpointSeconds, TimeUnit.SECONDS);<a name="line.282"></a>
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