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From git-site-r...@apache.org
Subject [31/51] [partial] hbase-site git commit: Published site at 82d554e3783372cc6b05489452c815b57c06f6cd.
Date Sat, 03 Jun 2017 14:59:59 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c9d35424/devapidocs/src-html/org/apache/hadoop/hbase/client/MetaCache.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/MetaCache.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/MetaCache.html
index 69d5596..22ae2e0 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/client/MetaCache.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/MetaCache.html
@@ -321,94 +321,128 @@
 <span class="sourceLineNo">313</span>  }<a name="line.313"></a>
 <span class="sourceLineNo">314</span><a name="line.314"></a>
 <span class="sourceLineNo">315</span>  /**<a name="line.315"></a>
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+<span class="sourceLineNo">342</span>            LOG.trace("Removed " + toBeRemoved + " from cache");<a name="line.342"></a>
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+<span class="sourceLineNo">351</span>   */<a name="line.351"></a>
+<span class="sourceLineNo">352</span>  public void clearCache(final TableName tableName, final byte [] row, ServerName serverName) {<a name="line.352"></a>
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+<span class="sourceLineNo">355</span>    RegionLocations regionLocations = getCachedLocation(tableName, row);<a name="line.355"></a>
+<span class="sourceLineNo">356</span>    if (regionLocations != null) {<a name="line.356"></a>
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+<span class="sourceLineNo">358</span>      if (updatedLocations != regionLocations) {<a name="line.358"></a>
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+<span class="sourceLineNo">370</span>          if (LOG.isTraceEnabled()) {<a name="line.370"></a>
+<span class="sourceLineNo">371</span>            LOG.trace("Removed locations of table: " + tableName + " ,row: " + Bytes.toString(row)<a name="line.371"></a>
+<span class="sourceLineNo">372</span>              + " mapping to server: " + serverName + " from cache");<a name="line.372"></a>
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+<span class="sourceLineNo">380</span>   * Deletes the cached location of the region if necessary, based on some error from source.<a name="line.380"></a>
+<span class="sourceLineNo">381</span>   * @param hri The region in question.<a name="line.381"></a>
+<span class="sourceLineNo">382</span>   */<a name="line.382"></a>
+<span class="sourceLineNo">383</span>  public void clearCache(HRegionInfo hri) {<a name="line.383"></a>
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+<span class="sourceLineNo">402</span>            LOG.trace("Removed " + oldLocation + " from cache");<a name="line.402"></a>
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+<span class="sourceLineNo">414</span>    ConcurrentMap&lt;byte[], RegionLocations&gt; tableLocations = getTableLocations(tableName);<a name="line.414"></a>
+<span class="sourceLineNo">415</span>    RegionLocations regionLocations = tableLocations.get(location.getRegionInfo().getStartKey());<a name="line.415"></a>
+<span class="sourceLineNo">416</span>    if (regionLocations != null) {<a name="line.416"></a>
+<span class="sourceLineNo">417</span>      RegionLocations updatedLocations = regionLocations.remove(location);<a name="line.417"></a>
+<span class="sourceLineNo">418</span>      boolean removed;<a name="line.418"></a>
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+<span class="sourceLineNo">423</span>          removed = tableLocations.replace(location.getRegionInfo().getStartKey(), regionLocations,<a name="line.423"></a>
+<span class="sourceLineNo">424</span>              updatedLocations);<a name="line.424"></a>
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+<span class="sourceLineNo">430</span>          if (LOG.isTraceEnabled()) {<a name="line.430"></a>
+<span class="sourceLineNo">431</span>            LOG.trace("Removed " + location + " from cache");<a name="line.431"></a>
+<span class="sourceLineNo">432</span>          }<a name="line.432"></a>
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+<span class="sourceLineNo">437</span>}<a name="line.437"></a>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c9d35424/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.ReplicaRegionServerCallable.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.ReplicaRegionServerCallable.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.ReplicaRegionServerCallable.html
index 8204859..7fcfbdf 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.ReplicaRegionServerCallable.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.ReplicaRegionServerCallable.html
@@ -178,133 +178,165 @@
 <span class="sourceLineNo">170</span>      throws DoNotRetryIOException, InterruptedIOException, RetriesExhaustedException {<a name="line.170"></a>
 <span class="sourceLineNo">171</span>    boolean isTargetReplicaSpecified = (get.getReplicaId() &gt;= 0);<a name="line.171"></a>
 <span class="sourceLineNo">172</span><a name="line.172"></a>
-<span class="sourceLineNo">173</span>    RegionLocations rl = getRegionLocations(true, (isTargetReplicaSpecified ? get.getReplicaId()<a name="line.173"></a>
-<span class="sourceLineNo">174</span>        : RegionReplicaUtil.DEFAULT_REPLICA_ID), cConnection, tableName, get.getRow());<a name="line.174"></a>
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+<span class="sourceLineNo">299</span>   */<a name="line.299"></a>
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+<span class="sourceLineNo">322</span>    } catch (IOException e) {<a name="line.322"></a>
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+<span class="sourceLineNo">325</span>    if (rl == null) {<a name="line.325"></a>
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+<span class="sourceLineNo">328</span><a name="line.328"></a>
+<span class="sourceLineNo">329</span>    return rl;<a name="line.329"></a>
+<span class="sourceLineNo">330</span>  }<a name="line.330"></a>
+<span class="sourceLineNo">331</span>}<a name="line.331"></a>
 
 
 

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c9d35424/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.html
index 8204859..7fcfbdf 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.html
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+<span class="sourceLineNo">223</span>          }<a name="line.223"></a>
+<span class="sourceLineNo">224</span><a name="line.224"></a>
+<span class="sourceLineNo">225</span>          // Skip the result from the primary as we know that there is something wrong<a name="line.225"></a>
+<span class="sourceLineNo">226</span>          startIndex = 1;<a name="line.226"></a>
+<span class="sourceLineNo">227</span>        } catch (CancellationException e) {<a name="line.227"></a>
+<span class="sourceLineNo">228</span>          throw new InterruptedIOException();<a name="line.228"></a>
+<span class="sourceLineNo">229</span>        } catch (InterruptedException e) {<a name="line.229"></a>
+<span class="sourceLineNo">230</span>          throw new InterruptedIOException();<a name="line.230"></a>
+<span class="sourceLineNo">231</span>        }<a name="line.231"></a>
+<span class="sourceLineNo">232</span>      } else {<a name="line.232"></a>
+<span class="sourceLineNo">233</span>        // Since primary replica is skipped, the endIndex needs to be adjusted accordingly<a name="line.233"></a>
+<span class="sourceLineNo">234</span>        endIndex --;<a name="line.234"></a>
+<span class="sourceLineNo">235</span>      }<a name="line.235"></a>
+<span class="sourceLineNo">236</span><a name="line.236"></a>
+<span class="sourceLineNo">237</span>      // submit call for the all of the secondaries at once<a name="line.237"></a>
+<span class="sourceLineNo">238</span>      addCallsForReplica(cs, rl, 1, rl.size() - 1);<a name="line.238"></a>
+<span class="sourceLineNo">239</span>    }<a name="line.239"></a>
+<span class="sourceLineNo">240</span>    try {<a name="line.240"></a>
+<span class="sourceLineNo">241</span>      Future&lt;Result&gt; f = cs.pollForFirstSuccessfullyCompletedTask(operationTimeout,<a name="line.241"></a>
+<span class="sourceLineNo">242</span>          TimeUnit.MILLISECONDS, startIndex, endIndex);<a name="line.242"></a>
+<span class="sourceLineNo">243</span>      if (f == null) {<a name="line.243"></a>
+<span class="sourceLineNo">244</span>        throw new RetriesExhaustedException("Timed out after " + operationTimeout +<a name="line.244"></a>
+<span class="sourceLineNo">245</span>            "ms. Get is sent to replicas with startIndex: " + startIndex +<a name="line.245"></a>
+<span class="sourceLineNo">246</span>            ", endIndex: " + endIndex + ", Locations: " + rl);<a name="line.246"></a>
+<span class="sourceLineNo">247</span>      }<a name="line.247"></a>
+<span class="sourceLineNo">248</span>      return f.get();<a name="line.248"></a>
+<span class="sourceLineNo">249</span>    } catch (ExecutionException e) {<a name="line.249"></a>
+<span class="sourceLineNo">250</span>      throwEnrichedException(e, retries);<a name="line.250"></a>
+<span class="sourceLineNo">251</span>    } catch (CancellationException e) {<a name="line.251"></a>
+<span class="sourceLineNo">252</span>      throw new InterruptedIOException();<a name="line.252"></a>
+<span class="sourceLineNo">253</span>    } catch (InterruptedException e) {<a name="line.253"></a>
+<span class="sourceLineNo">254</span>      throw new InterruptedIOException();<a name="line.254"></a>
+<span class="sourceLineNo">255</span>    } finally {<a name="line.255"></a>
+<span class="sourceLineNo">256</span>      // We get there because we were interrupted or because one or more of the<a name="line.256"></a>
+<span class="sourceLineNo">257</span>      // calls succeeded or failed. In all case, we stop all our tasks.<a name="line.257"></a>
+<span class="sourceLineNo">258</span>      cs.cancelAll();<a name="line.258"></a>
+<span class="sourceLineNo">259</span>    }<a name="line.259"></a>
+<span class="sourceLineNo">260</span><a name="line.260"></a>
+<span class="sourceLineNo">261</span>    LOG.error("Imposible? Arrive at an unreachable line..."); // unreachable<a name="line.261"></a>
+<span class="sourceLineNo">262</span>    return null; // unreachable<a name="line.262"></a>
+<span class="sourceLineNo">263</span>  }<a name="line.263"></a>
+<span class="sourceLineNo">264</span><a name="line.264"></a>
+<span class="sourceLineNo">265</span>  /**<a name="line.265"></a>
+<span class="sourceLineNo">266</span>   * Extract the real exception from the ExecutionException, and throws what makes more<a name="line.266"></a>
+<span class="sourceLineNo">267</span>   * sense.<a name="line.267"></a>
+<span class="sourceLineNo">268</span>   */<a name="line.268"></a>
+<span class="sourceLineNo">269</span>  static void throwEnrichedException(ExecutionException e, int retries)<a name="line.269"></a>
+<span class="sourceLineNo">270</span>      throws RetriesExhaustedException, DoNotRetryIOException {<a name="line.270"></a>
+<span class="sourceLineNo">271</span>    Throwable t = e.getCause();<a name="line.271"></a>
+<span class="sourceLineNo">272</span>    assert t != null; // That's what ExecutionException is about: holding an exception<a name="line.272"></a>
+<span class="sourceLineNo">273</span><a name="line.273"></a>
+<span class="sourceLineNo">274</span>    if (t instanceof RetriesExhaustedException) {<a name="line.274"></a>
+<span class="sourceLineNo">275</span>      throw (RetriesExhaustedException) t;<a name="line.275"></a>
+<span class="sourceLineNo">276</span>    }<a name="line.276"></a>
+<span class="sourceLineNo">277</span><a name="line.277"></a>
+<span class="sourceLineNo">278</span>    if (t instanceof DoNotRetryIOException) {<a name="line.278"></a>
+<span class="sourceLineNo">279</span>      throw (DoNotRetryIOException) t;<a name="line.279"></a>
+<span class="sourceLineNo">280</span>    }<a name="line.280"></a>
+<span class="sourceLineNo">281</span><a name="line.281"></a>
+<span class="sourceLineNo">282</span>    RetriesExhaustedException.ThrowableWithExtraContext qt =<a name="line.282"></a>
+<span class="sourceLineNo">283</span>        new RetriesExhaustedException.ThrowableWithExtraContext(t,<a name="line.283"></a>
+<span class="sourceLineNo">284</span>            EnvironmentEdgeManager.currentTime(), null);<a name="line.284"></a>
+<span class="sourceLineNo">285</span><a name="line.285"></a>
+<span class="sourceLineNo">286</span>    List&lt;RetriesExhaustedException.ThrowableWithExtraContext&gt; exceptions =<a name="line.286"></a>
+<span class="sourceLineNo">287</span>        Collections.singletonList(qt);<a name="line.287"></a>
+<span class="sourceLineNo">288</span><a name="line.288"></a>
+<span class="sourceLineNo">289</span>    throw new RetriesExhaustedException(retries, exceptions);<a name="line.289"></a>
+<span class="sourceLineNo">290</span>  }<a name="line.290"></a>
+<span class="sourceLineNo">291</span><a name="line.291"></a>
+<span class="sourceLineNo">292</span>  /**<a name="line.292"></a>
+<span class="sourceLineNo">293</span>   * Creates the calls and submit them<a name="line.293"></a>
+<span class="sourceLineNo">294</span>   *<a name="line.294"></a>
+<span class="sourceLineNo">295</span>   * @param cs  - the completion service to use for submitting<a name="line.295"></a>
+<span class="sourceLineNo">296</span>   * @param rl  - the region locations<a name="line.296"></a>
+<span class="sourceLineNo">297</span>   * @param min - the id of the first replica, inclusive<a name="line.297"></a>
+<span class="sourceLineNo">298</span>   * @param max - the id of the last replica, inclusive.<a name="line.298"></a>
+<span class="sourceLineNo">299</span>   */<a name="line.299"></a>
+<span class="sourceLineNo">300</span>  private void addCallsForReplica(ResultBoundedCompletionService&lt;Result&gt; cs,<a name="line.300"></a>
+<span class="sourceLineNo">301</span>                                 RegionLocations rl, int min, int max) {<a name="line.301"></a>
+<span class="sourceLineNo">302</span>    for (int id = min; id &lt;= max; id++) {<a name="line.302"></a>
+<span class="sourceLineNo">303</span>      HRegionLocation hrl = rl.getRegionLocation(id);<a name="line.303"></a>
+<span class="sourceLineNo">304</span>      ReplicaRegionServerCallable callOnReplica = new ReplicaRegionServerCallable(id, hrl);<a name="line.304"></a>
+<span class="sourceLineNo">305</span>      cs.submit(callOnReplica, operationTimeout, id);<a name="line.305"></a>
+<span class="sourceLineNo">306</span>    }<a name="line.306"></a>
+<span class="sourceLineNo">307</span>  }<a name="line.307"></a>
+<span class="sourceLineNo">308</span><a name="line.308"></a>
+<span class="sourceLineNo">309</span>  static RegionLocations getRegionLocations(boolean useCache, int replicaId,<a name="line.309"></a>
+<span class="sourceLineNo">310</span>                 ClusterConnection cConnection, TableName tableName, byte[] row)<a name="line.310"></a>
+<span class="sourceLineNo">311</span>      throws RetriesExhaustedException, DoNotRetryIOException, InterruptedIOException {<a name="line.311"></a>
+<span class="sourceLineNo">312</span><a name="line.312"></a>
+<span class="sourceLineNo">313</span>    RegionLocations rl;<a name="line.313"></a>
+<span class="sourceLineNo">314</span>    try {<a name="line.314"></a>
+<span class="sourceLineNo">315</span>      if (!useCache) {<a name="line.315"></a>
+<span class="sourceLineNo">316</span>        rl = cConnection.relocateRegion(tableName, row, replicaId);<a name="line.316"></a>
+<span class="sourceLineNo">317</span>      } else {<a name="line.317"></a>
+<span class="sourceLineNo">318</span>        rl = cConnection.locateRegion(tableName, row, useCache, true, replicaId);<a name="line.318"></a>
+<span class="sourceLineNo">319</span>      }<a name="line.319"></a>
+<span class="sourceLineNo">320</span>    } catch (DoNotRetryIOException | InterruptedIOException | RetriesExhaustedException e) {<a name="line.320"></a>
+<span class="sourceLineNo">321</span>      throw e;<a name="line.321"></a>
+<span class="sourceLineNo">322</span>    } catch (IOException e) {<a name="line.322"></a>
+<span class="sourceLineNo">323</span>      throw new RetriesExhaustedException("Can't get the location for replica " + replicaId, e);<a name="line.323"></a>
+<span class="sourceLineNo">324</span>    }<a name="line.324"></a>
+<span class="sourceLineNo">325</span>    if (rl == null) {<a name="line.325"></a>
+<span class="sourceLineNo">326</span>      throw new RetriesExhaustedException("Can't get the location for replica " + replicaId);<a name="line.326"></a>
+<span class="sourceLineNo">327</span>    }<a name="line.327"></a>
+<span class="sourceLineNo">328</span><a name="line.328"></a>
+<span class="sourceLineNo">329</span>    return rl;<a name="line.329"></a>
+<span class="sourceLineNo">330</span>  }<a name="line.330"></a>
+<span class="sourceLineNo">331</span>}<a name="line.331"></a>
 
 
 


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