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Posted to commits@hbase.apache.org by mi...@apache.org on 2015/12/23 00:24:57 UTC
[34/51] [partial] hbase-site git commit: Published site at
95a13b51ee052eb73882682e8f009bfa1e914866.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/32d40534/devapidocs/src-html/org/apache/hadoop/hbase/client/ScannerCallableWithReplicas.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/ScannerCallableWithReplicas.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/ScannerCallableWithReplicas.html
index 01efa15..c1dbf37 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/client/ScannerCallableWithReplicas.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/ScannerCallableWithReplicas.html
@@ -106,326 +106,330 @@
<span class="sourceLineNo">098</span> currentScannerCallable.setClose();<a name="line.98"></a>
<span class="sourceLineNo">099</span> }<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
-<span class="sourceLineNo">101</span> public void setCaching(int caching) {<a name="line.101"></a>
-<span class="sourceLineNo">102</span> currentScannerCallable.setCaching(caching);<a name="line.102"></a>
+<span class="sourceLineNo">101</span> public void setRenew(boolean val) {<a name="line.101"></a>
+<span class="sourceLineNo">102</span> currentScannerCallable.setRenew(val);<a name="line.102"></a>
<span class="sourceLineNo">103</span> }<a name="line.103"></a>
<span class="sourceLineNo">104</span><a name="line.104"></a>
-<span class="sourceLineNo">105</span> public int getCaching() {<a name="line.105"></a>
-<span class="sourceLineNo">106</span> return currentScannerCallable.getCaching();<a name="line.106"></a>
+<span class="sourceLineNo">105</span> public void setCaching(int caching) {<a name="line.105"></a>
+<span class="sourceLineNo">106</span> currentScannerCallable.setCaching(caching);<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> public HRegionInfo getHRegionInfo() {<a name="line.109"></a>
-<span class="sourceLineNo">110</span> return currentScannerCallable.getHRegionInfo();<a name="line.110"></a>
+<span class="sourceLineNo">109</span> public int getCaching() {<a name="line.109"></a>
+<span class="sourceLineNo">110</span> return currentScannerCallable.getCaching();<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> public boolean getServerHasMoreResults() {<a name="line.113"></a>
-<span class="sourceLineNo">114</span> return currentScannerCallable.getServerHasMoreResults();<a name="line.114"></a>
+<span class="sourceLineNo">113</span> public HRegionInfo getHRegionInfo() {<a name="line.113"></a>
+<span class="sourceLineNo">114</span> return currentScannerCallable.getHRegionInfo();<a name="line.114"></a>
<span class="sourceLineNo">115</span> }<a name="line.115"></a>
<span class="sourceLineNo">116</span><a name="line.116"></a>
-<span class="sourceLineNo">117</span> public void setServerHasMoreResults(boolean serverHasMoreResults) {<a name="line.117"></a>
-<span class="sourceLineNo">118</span> currentScannerCallable.setServerHasMoreResults(serverHasMoreResults);<a name="line.118"></a>
+<span class="sourceLineNo">117</span> public boolean getServerHasMoreResults() {<a name="line.117"></a>
+<span class="sourceLineNo">118</span> return currentScannerCallable.getServerHasMoreResults();<a name="line.118"></a>
<span class="sourceLineNo">119</span> }<a name="line.119"></a>
<span class="sourceLineNo">120</span><a name="line.120"></a>
-<span class="sourceLineNo">121</span> public boolean hasMoreResultsContext() {<a name="line.121"></a>
-<span class="sourceLineNo">122</span> return currentScannerCallable.hasMoreResultsContext();<a name="line.122"></a>
+<span class="sourceLineNo">121</span> public void setServerHasMoreResults(boolean serverHasMoreResults) {<a name="line.121"></a>
+<span class="sourceLineNo">122</span> currentScannerCallable.setServerHasMoreResults(serverHasMoreResults);<a name="line.122"></a>
<span class="sourceLineNo">123</span> }<a name="line.123"></a>
<span class="sourceLineNo">124</span><a name="line.124"></a>
-<span class="sourceLineNo">125</span> public void setHasMoreResultsContext(boolean serverHasMoreResultsContext) {<a name="line.125"></a>
-<span class="sourceLineNo">126</span> currentScannerCallable.setHasMoreResultsContext(serverHasMoreResultsContext);<a name="line.126"></a>
+<span class="sourceLineNo">125</span> public boolean hasMoreResultsContext() {<a name="line.125"></a>
+<span class="sourceLineNo">126</span> return currentScannerCallable.hasMoreResultsContext();<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> @Override<a name="line.129"></a>
-<span class="sourceLineNo">130</span> public Result [] call(int timeout) throws IOException {<a name="line.130"></a>
-<span class="sourceLineNo">131</span> // If the active replica callable was closed somewhere, invoke the RPC to<a name="line.131"></a>
-<span class="sourceLineNo">132</span> // really close it. In the case of regular scanners, this applies. We make couple<a name="line.132"></a>
-<span class="sourceLineNo">133</span> // of RPCs to a RegionServer, and when that region is exhausted, we set<a name="line.133"></a>
-<span class="sourceLineNo">134</span> // the closed flag. Then an RPC is required to actually close the scanner.<a name="line.134"></a>
-<span class="sourceLineNo">135</span> if (currentScannerCallable != null && currentScannerCallable.closed) {<a name="line.135"></a>
-<span class="sourceLineNo">136</span> // For closing we target that exact scanner (and not do replica fallback like in<a name="line.136"></a>
-<span class="sourceLineNo">137</span> // the case of normal reads)<a name="line.137"></a>
-<span class="sourceLineNo">138</span> if (LOG.isTraceEnabled()) {<a name="line.138"></a>
-<span class="sourceLineNo">139</span> LOG.trace("Closing scanner id=" + currentScannerCallable.scannerId);<a name="line.139"></a>
-<span class="sourceLineNo">140</span> }<a name="line.140"></a>
-<span class="sourceLineNo">141</span> Result[] r = currentScannerCallable.call(timeout);<a name="line.141"></a>
-<span class="sourceLineNo">142</span> currentScannerCallable = null;<a name="line.142"></a>
-<span class="sourceLineNo">143</span> return r;<a name="line.143"></a>
-<span class="sourceLineNo">144</span> }<a name="line.144"></a>
-<span class="sourceLineNo">145</span> // We need to do the following:<a name="line.145"></a>
-<span class="sourceLineNo">146</span> //1. When a scan goes out to a certain replica (default or not), we need to<a name="line.146"></a>
-<span class="sourceLineNo">147</span> // continue to hit that until there is a failure. So store the last successfully invoked<a name="line.147"></a>
-<span class="sourceLineNo">148</span> // replica<a name="line.148"></a>
-<span class="sourceLineNo">149</span> //2. We should close the "losing" scanners (scanners other than the ones we hear back<a name="line.149"></a>
-<span class="sourceLineNo">150</span> // from first)<a name="line.150"></a>
-<span class="sourceLineNo">151</span> //<a name="line.151"></a>
-<span class="sourceLineNo">152</span> RegionLocations rl = RpcRetryingCallerWithReadReplicas.getRegionLocations(true,<a name="line.152"></a>
-<span class="sourceLineNo">153</span> RegionReplicaUtil.DEFAULT_REPLICA_ID, cConnection, tableName,<a name="line.153"></a>
-<span class="sourceLineNo">154</span> currentScannerCallable.getRow());<a name="line.154"></a>
-<span class="sourceLineNo">155</span><a name="line.155"></a>
-<span class="sourceLineNo">156</span> // allocate a boundedcompletion pool of some multiple of number of replicas.<a name="line.156"></a>
-<span class="sourceLineNo">157</span> // We want to accomodate some RPCs for redundant replica scans (but are still in progress)<a name="line.157"></a>
-<span class="sourceLineNo">158</span> ResultBoundedCompletionService<Pair<Result[], ScannerCallable>> cs =<a name="line.158"></a>
-<span class="sourceLineNo">159</span> new ResultBoundedCompletionService<Pair<Result[], ScannerCallable>>(<a name="line.159"></a>
-<span class="sourceLineNo">160</span> RpcRetryingCallerFactory.instantiate(ScannerCallableWithReplicas.this.conf), pool,<a name="line.160"></a>
-<span class="sourceLineNo">161</span> rl.size() * 5);<a name="line.161"></a>
-<span class="sourceLineNo">162</span><a name="line.162"></a>
-<span class="sourceLineNo">163</span> AtomicBoolean done = new AtomicBoolean(false);<a name="line.163"></a>
-<span class="sourceLineNo">164</span> replicaSwitched.set(false);<a name="line.164"></a>
-<span class="sourceLineNo">165</span> // submit call for the primary replica.<a name="line.165"></a>
-<span class="sourceLineNo">166</span> addCallsForCurrentReplica(cs, rl);<a name="line.166"></a>
-<span class="sourceLineNo">167</span><a name="line.167"></a>
-<span class="sourceLineNo">168</span> try {<a name="line.168"></a>
-<span class="sourceLineNo">169</span> // wait for the timeout to see whether the primary responds back<a name="line.169"></a>
-<span class="sourceLineNo">170</span> Future<Pair<Result[], ScannerCallable>> f = cs.poll(timeBeforeReplicas,<a name="line.170"></a>
-<span class="sourceLineNo">171</span> TimeUnit.MICROSECONDS); // Yes, microseconds<a name="line.171"></a>
-<span class="sourceLineNo">172</span> if (f != null) {<a name="line.172"></a>
-<span class="sourceLineNo">173</span> Pair<Result[], ScannerCallable> r = f.get(timeout, TimeUnit.MILLISECONDS);<a name="line.173"></a>
-<span class="sourceLineNo">174</span> if (r != null && r.getSecond() != null) {<a name="line.174"></a>
-<span class="sourceLineNo">175</span> updateCurrentlyServingReplica(r.getSecond(), r.getFirst(), done, pool);<a name="line.175"></a>
-<span class="sourceLineNo">176</span> }<a name="line.176"></a>
-<span class="sourceLineNo">177</span> return r == null ? null : r.getFirst(); //great we got a response<a name="line.177"></a>
-<span class="sourceLineNo">178</span> }<a name="line.178"></a>
-<span class="sourceLineNo">179</span> } catch (ExecutionException e) {<a name="line.179"></a>
-<span class="sourceLineNo">180</span> RpcRetryingCallerWithReadReplicas.throwEnrichedException(e, retries);<a name="line.180"></a>
-<span class="sourceLineNo">181</span> } catch (CancellationException e) {<a name="line.181"></a>
-<span class="sourceLineNo">182</span> throw new InterruptedIOException(e.getMessage());<a name="line.182"></a>
-<span class="sourceLineNo">183</span> } catch (InterruptedException e) {<a name="line.183"></a>
-<span class="sourceLineNo">184</span> throw new InterruptedIOException(e.getMessage());<a name="line.184"></a>
-<span class="sourceLineNo">185</span> } catch (TimeoutException e) {<a name="line.185"></a>
+<span class="sourceLineNo">129</span> public void setHasMoreResultsContext(boolean serverHasMoreResultsContext) {<a name="line.129"></a>
+<span class="sourceLineNo">130</span> currentScannerCallable.setHasMoreResultsContext(serverHasMoreResultsContext);<a name="line.130"></a>
+<span class="sourceLineNo">131</span> }<a name="line.131"></a>
+<span class="sourceLineNo">132</span><a name="line.132"></a>
+<span class="sourceLineNo">133</span> @Override<a name="line.133"></a>
+<span class="sourceLineNo">134</span> public Result [] call(int timeout) throws IOException {<a name="line.134"></a>
+<span class="sourceLineNo">135</span> // If the active replica callable was closed somewhere, invoke the RPC to<a name="line.135"></a>
+<span class="sourceLineNo">136</span> // really close it. In the case of regular scanners, this applies. We make couple<a name="line.136"></a>
+<span class="sourceLineNo">137</span> // of RPCs to a RegionServer, and when that region is exhausted, we set<a name="line.137"></a>
+<span class="sourceLineNo">138</span> // the closed flag. Then an RPC is required to actually close the scanner.<a name="line.138"></a>
+<span class="sourceLineNo">139</span> if (currentScannerCallable != null && currentScannerCallable.closed) {<a name="line.139"></a>
+<span class="sourceLineNo">140</span> // For closing we target that exact scanner (and not do replica fallback like in<a name="line.140"></a>
+<span class="sourceLineNo">141</span> // the case of normal reads)<a name="line.141"></a>
+<span class="sourceLineNo">142</span> if (LOG.isTraceEnabled()) {<a name="line.142"></a>
+<span class="sourceLineNo">143</span> LOG.trace("Closing scanner id=" + currentScannerCallable.scannerId);<a name="line.143"></a>
+<span class="sourceLineNo">144</span> }<a name="line.144"></a>
+<span class="sourceLineNo">145</span> Result[] r = currentScannerCallable.call(timeout);<a name="line.145"></a>
+<span class="sourceLineNo">146</span> currentScannerCallable = null;<a name="line.146"></a>
+<span class="sourceLineNo">147</span> return r;<a name="line.147"></a>
+<span class="sourceLineNo">148</span> }<a name="line.148"></a>
+<span class="sourceLineNo">149</span> // We need to do the following:<a name="line.149"></a>
+<span class="sourceLineNo">150</span> //1. When a scan goes out to a certain replica (default or not), we need to<a name="line.150"></a>
+<span class="sourceLineNo">151</span> // continue to hit that until there is a failure. So store the last successfully invoked<a name="line.151"></a>
+<span class="sourceLineNo">152</span> // replica<a name="line.152"></a>
+<span class="sourceLineNo">153</span> //2. We should close the "losing" scanners (scanners other than the ones we hear back<a name="line.153"></a>
+<span class="sourceLineNo">154</span> // from first)<a name="line.154"></a>
+<span class="sourceLineNo">155</span> //<a name="line.155"></a>
+<span class="sourceLineNo">156</span> RegionLocations rl = RpcRetryingCallerWithReadReplicas.getRegionLocations(true,<a name="line.156"></a>
+<span class="sourceLineNo">157</span> RegionReplicaUtil.DEFAULT_REPLICA_ID, cConnection, tableName,<a name="line.157"></a>
+<span class="sourceLineNo">158</span> currentScannerCallable.getRow());<a name="line.158"></a>
+<span class="sourceLineNo">159</span><a name="line.159"></a>
+<span class="sourceLineNo">160</span> // allocate a boundedcompletion pool of some multiple of number of replicas.<a name="line.160"></a>
+<span class="sourceLineNo">161</span> // We want to accomodate some RPCs for redundant replica scans (but are still in progress)<a name="line.161"></a>
+<span class="sourceLineNo">162</span> ResultBoundedCompletionService<Pair<Result[], ScannerCallable>> cs =<a name="line.162"></a>
+<span class="sourceLineNo">163</span> new ResultBoundedCompletionService<Pair<Result[], ScannerCallable>>(<a name="line.163"></a>
+<span class="sourceLineNo">164</span> RpcRetryingCallerFactory.instantiate(ScannerCallableWithReplicas.this.conf), pool,<a name="line.164"></a>
+<span class="sourceLineNo">165</span> rl.size() * 5);<a name="line.165"></a>
+<span class="sourceLineNo">166</span><a name="line.166"></a>
+<span class="sourceLineNo">167</span> AtomicBoolean done = new AtomicBoolean(false);<a name="line.167"></a>
+<span class="sourceLineNo">168</span> replicaSwitched.set(false);<a name="line.168"></a>
+<span class="sourceLineNo">169</span> // submit call for the primary replica.<a name="line.169"></a>
+<span class="sourceLineNo">170</span> addCallsForCurrentReplica(cs, rl);<a name="line.170"></a>
+<span class="sourceLineNo">171</span><a name="line.171"></a>
+<span class="sourceLineNo">172</span> try {<a name="line.172"></a>
+<span class="sourceLineNo">173</span> // wait for the timeout to see whether the primary responds back<a name="line.173"></a>
+<span class="sourceLineNo">174</span> Future<Pair<Result[], ScannerCallable>> f = cs.poll(timeBeforeReplicas,<a name="line.174"></a>
+<span class="sourceLineNo">175</span> TimeUnit.MICROSECONDS); // Yes, microseconds<a name="line.175"></a>
+<span class="sourceLineNo">176</span> if (f != null) {<a name="line.176"></a>
+<span class="sourceLineNo">177</span> Pair<Result[], ScannerCallable> r = f.get(timeout, TimeUnit.MILLISECONDS);<a name="line.177"></a>
+<span class="sourceLineNo">178</span> if (r != null && r.getSecond() != null) {<a name="line.178"></a>
+<span class="sourceLineNo">179</span> updateCurrentlyServingReplica(r.getSecond(), r.getFirst(), done, pool);<a name="line.179"></a>
+<span class="sourceLineNo">180</span> }<a name="line.180"></a>
+<span class="sourceLineNo">181</span> return r == null ? null : r.getFirst(); //great we got a response<a name="line.181"></a>
+<span class="sourceLineNo">182</span> }<a name="line.182"></a>
+<span class="sourceLineNo">183</span> } catch (ExecutionException e) {<a name="line.183"></a>
+<span class="sourceLineNo">184</span> RpcRetryingCallerWithReadReplicas.throwEnrichedException(e, retries);<a name="line.184"></a>
+<span class="sourceLineNo">185</span> } catch (CancellationException e) {<a name="line.185"></a>
<span class="sourceLineNo">186</span> throw new InterruptedIOException(e.getMessage());<a name="line.186"></a>
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-<span class="sourceLineNo">188</span><a name="line.188"></a>
-<span class="sourceLineNo">189</span> // submit call for the all of the secondaries at once<a name="line.189"></a>
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-<span class="sourceLineNo">191</span> addCallsForOtherReplicas(cs, rl, 0, rl.size() - 1);<a name="line.191"></a>
+<span class="sourceLineNo">187</span> } catch (InterruptedException e) {<a name="line.187"></a>
+<span class="sourceLineNo">188</span> throw new InterruptedIOException(e.getMessage());<a name="line.188"></a>
+<span class="sourceLineNo">189</span> } catch (TimeoutException e) {<a name="line.189"></a>
+<span class="sourceLineNo">190</span> throw new InterruptedIOException(e.getMessage());<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> try {<a name="line.193"></a>
-<span class="sourceLineNo">194</span> Future<Pair<Result[], ScannerCallable>> f = cs.poll(timeout, TimeUnit.MILLISECONDS);<a name="line.194"></a>
-<span class="sourceLineNo">195</span> if (f != null) {<a name="line.195"></a>
-<span class="sourceLineNo">196</span> Pair<Result[], ScannerCallable> r = f.get(timeout, TimeUnit.MILLISECONDS);<a name="line.196"></a>
-<span class="sourceLineNo">197</span> if (r != null && r.getSecond() != null) {<a name="line.197"></a>
-<span class="sourceLineNo">198</span> updateCurrentlyServingReplica(r.getSecond(), r.getFirst(), done, pool);<a name="line.198"></a>
-<span class="sourceLineNo">199</span> }<a name="line.199"></a>
-<span class="sourceLineNo">200</span> return r == null ? null : r.getFirst(); // great we got an answer<a name="line.200"></a>
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-<span class="sourceLineNo">207</span> throw new InterruptedIOException(e.getMessage());<a name="line.207"></a>
-<span class="sourceLineNo">208</span> } catch (TimeoutException e) {<a name="line.208"></a>
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+<span class="sourceLineNo">194</span> // TODO: this may be an overkill for large region replication<a name="line.194"></a>
+<span class="sourceLineNo">195</span> addCallsForOtherReplicas(cs, rl, 0, rl.size() - 1);<a name="line.195"></a>
+<span class="sourceLineNo">196</span><a name="line.196"></a>
+<span class="sourceLineNo">197</span> try {<a name="line.197"></a>
+<span class="sourceLineNo">198</span> Future<Pair<Result[], ScannerCallable>> f = cs.poll(timeout, TimeUnit.MILLISECONDS);<a name="line.198"></a>
+<span class="sourceLineNo">199</span> if (f != null) {<a name="line.199"></a>
+<span class="sourceLineNo">200</span> Pair<Result[], ScannerCallable> r = f.get(timeout, TimeUnit.MILLISECONDS);<a name="line.200"></a>
+<span class="sourceLineNo">201</span> if (r != null && r.getSecond() != null) {<a name="line.201"></a>
+<span class="sourceLineNo">202</span> updateCurrentlyServingReplica(r.getSecond(), r.getFirst(), done, pool);<a name="line.202"></a>
+<span class="sourceLineNo">203</span> }<a name="line.203"></a>
+<span class="sourceLineNo">204</span> return r == null ? null : r.getFirst(); // great we got an answer<a name="line.204"></a>
+<span class="sourceLineNo">205</span> }<a name="line.205"></a>
+<span class="sourceLineNo">206</span> } catch (ExecutionException e) {<a name="line.206"></a>
+<span class="sourceLineNo">207</span> RpcRetryingCallerWithReadReplicas.throwEnrichedException(e, retries);<a name="line.207"></a>
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<span class="sourceLineNo">209</span> throw new InterruptedIOException(e.getMessage());<a name="line.209"></a>
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-<span class="sourceLineNo">212</span> // calls succeeded or failed. In all case, we stop all our tasks.<a name="line.212"></a>
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-<span class="sourceLineNo">220</span> if (done.compareAndSet(false, true)) {<a name="line.220"></a>
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-<span class="sourceLineNo">222</span> currentScannerCallable = scanner;<a name="line.222"></a>
-<span class="sourceLineNo">223</span> // store where to start the replica scanner from if we need to.<a name="line.223"></a>
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+<span class="sourceLineNo">237</span> LOG.trace("Closing scanner id=" + s.scannerId +<a name="line.237"></a>
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+<span class="sourceLineNo">239</span> " because slow and replica=" +<a name="line.239"></a>
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+<span class="sourceLineNo">278</span><a name="line.278"></a>
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+<span class="sourceLineNo">292</span> for (int id = min; id <= max; id++) {<a name="line.292"></a>
+<span class="sourceLineNo">293</span> if (currentScannerCallable.id == id) {<a name="line.293"></a>
+<span class="sourceLineNo">294</span> continue; //this was already scheduled earlier<a name="line.294"></a>
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+<span class="sourceLineNo">299</span> RetryingRPC retryingOnReplica = new RetryingRPC(s);<a name="line.299"></a>
+<span class="sourceLineNo">300</span> cs.submit(retryingOnReplica, scannerTimeout, id);<a name="line.300"></a>
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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/32d40534/devapidocs/src-html/org/apache/hadoop/hbase/ipc/MetricsHBaseServer.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/ipc/MetricsHBaseServer.html b/devapidocs/src-html/org/apache/hadoop/hbase/ipc/MetricsHBaseServer.html
index b4f7def..daf2939 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/ipc/MetricsHBaseServer.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/ipc/MetricsHBaseServer.html
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