http://git-wip-us.apache.org/repos/asf/hbase-site/blob/d41f56fe/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 4adaab3..9f3007d 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 @@ -224,119 +224,126 @@ <span class="sourceLineNo">216</span> if (f != null) {<a name="line.216"></a> <span class="sourceLineNo">217</span> return f.get(); //great we got a response<a name="line.217"></a> <span class="sourceLineNo">218</span> }<a name="line.218"></a> -<span class="sourceLineNo">219</span> } catch (ExecutionException e) {<a name="line.219"></a> -<span class="sourceLineNo">220</span> // We ignore the ExecutionException and continue with the secondary replicas<a name="line.220"></a> -<span class="sourceLineNo">221</span> if (LOG.isDebugEnabled()) {<a name="line.221"></a> -<span class="sourceLineNo">222</span> LOG.debug("Primary replica returns " + e.getCause());<a name="line.222"></a> -<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<Result> 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. 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Arrive at an unreachable line..."); // unreachable<a name="line.268"></a> +<span class="sourceLineNo">269</span> return null; // unreachable<a name="line.269"></a> +<span class="sourceLineNo">270</span> }<a name="line.270"></a> +<span class="sourceLineNo">271</span><a name="line.271"></a> +<span class="sourceLineNo">272</span> /**<a name="line.272"></a> +<span class="sourceLineNo">273</span> * Extract the real exception from the ExecutionException, and throws what makes more<a name="line.273"></a> +<span class="sourceLineNo">274</span> * sense.<a name="line.274"></a> +<span class="sourceLineNo">275</span> */<a name="line.275"></a> +<span class="sourceLineNo">276</span> static void throwEnrichedException(ExecutionException e, int retries)<a name="line.276"></a> +<span class="sourceLineNo">277</span> throws RetriesExhaustedException, DoNotRetryIOException {<a name="line.277"></a> +<span class="sourceLineNo">278</span> Throwable t = e.getCause();<a name="line.278"></a> +<span class="sourceLineNo">279</span> assert t != null; 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id <= 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.locateRegion(tableName, row, true, true, replicaId);<a name="line.316"></a> -<span class="sourceLineNo">317</span> } else {<a name="line.317"></a> -<span class="sourceLineNo">318</span> rl = cConnection.relocateRegion(tableName, row, 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> +<span class="sourceLineNo">289</span> RetriesExhaustedException.ThrowableWithExtraContext qt =<a name="line.289"></a> +<span class="sourceLineNo">290</span> new RetriesExhaustedException.ThrowableWithExtraContext(t,<a name="line.290"></a> +<span class="sourceLineNo">291</span> EnvironmentEdgeManager.currentTime(), null);<a name="line.291"></a> +<span class="sourceLineNo">292</span><a name="line.292"></a> +<span class="sourceLineNo">293</span> List<RetriesExhaustedException.ThrowableWithExtraContext> exceptions =<a name="line.293"></a> +<span class="sourceLineNo">294</span> Collections.singletonList(qt);<a name="line.294"></a> +<span class="sourceLineNo">295</span><a name="line.295"></a> +<span class="sourceLineNo">296</span> throw new RetriesExhaustedException(retries, exceptions);<a name="line.296"></a> +<span class="sourceLineNo">297</span> }<a name="line.297"></a> +<span class="sourceLineNo">298</span><a name="line.298"></a> +<span class="sourceLineNo">299</span> /**<a name="line.299"></a> +<span class="sourceLineNo">300</span> * Creates the calls and submit them<a name="line.300"></a> +<span class="sourceLineNo">301</span> *<a name="line.301"></a> +<span class="sourceLineNo">302</span> * @param cs - the completion service to use for submitting<a name="line.302"></a> +<span class="sourceLineNo">303</span> * @param rl - the region locations<a name="line.303"></a> +<span class="sourceLineNo">304</span> * @param min - the id of the first replica, inclusive<a name="line.304"></a> +<span class="sourceLineNo">305</span> * @param max - the id of the last replica, inclusive.<a name="line.305"></a> +<span class="sourceLineNo">306</span> */<a name="line.306"></a> +<span class="sourceLineNo">307</span> private void addCallsForReplica(ResultBoundedCompletionService<Result> cs,<a name="line.307"></a> +<span class="sourceLineNo">308</span> RegionLocations rl, int min, int max) {<a name="line.308"></a> +<span class="sourceLineNo">309</span> for (int id = min; 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http://git-wip-us.apache.org/repos/asf/hbase-site/blob/d41f56fe/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 4adaab3..9f3007d 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/RpcRetryingCallerWithReadReplicas.html @@ -224,119 +224,126 @@ <span class="sourceLineNo">216</span> if (f != null) {<a name="line.216"></a> <span class="sourceLineNo">217</span> return f.get(); //great we got a response<a name="line.217"></a> <span class="sourceLineNo">218</span> }<a name="line.218"></a> -<span class="sourceLineNo">219</span> } catch (ExecutionException e) {<a name="line.219"></a> -<span class="sourceLineNo">220</span> // We ignore the ExecutionException and continue with the secondary replicas<a name="line.220"></a> -<span class="sourceLineNo">221</span> if (LOG.isDebugEnabled()) {<a name="line.221"></a> -<span class="sourceLineNo">222</span> LOG.debug("Primary replica returns " + e.getCause());<a name="line.222"></a> -<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<Result> 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. 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Arrive at an unreachable line..."); // unreachable<a name="line.268"></a> +<span class="sourceLineNo">269</span> return null; // unreachable<a name="line.269"></a> +<span class="sourceLineNo">270</span> }<a name="line.270"></a> +<span class="sourceLineNo">271</span><a name="line.271"></a> +<span class="sourceLineNo">272</span> /**<a name="line.272"></a> +<span class="sourceLineNo">273</span> * Extract the real exception from the ExecutionException, and throws what makes more<a name="line.273"></a> +<span class="sourceLineNo">274</span> * sense.<a name="line.274"></a> +<span class="sourceLineNo">275</span> */<a name="line.275"></a> +<span class="sourceLineNo">276</span> static void throwEnrichedException(ExecutionException e, int retries)<a name="line.276"></a> +<span class="sourceLineNo">277</span> throws RetriesExhaustedException, DoNotRetryIOException {<a name="line.277"></a> +<span class="sourceLineNo">278</span> Throwable t = e.getCause();<a name="line.278"></a> +<span class="sourceLineNo">279</span> assert t != null; 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id <= 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.locateRegion(tableName, row, true, true, replicaId);<a name="line.316"></a> -<span class="sourceLineNo">317</span> } else {<a name="line.317"></a> -<span class="sourceLineNo">318</span> rl = cConnection.relocateRegion(tableName, row, 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> +<span class="sourceLineNo">289</span> RetriesExhaustedException.ThrowableWithExtraContext qt =<a name="line.289"></a> +<span class="sourceLineNo">290</span> new RetriesExhaustedException.ThrowableWithExtraContext(t,<a name="line.290"></a> +<span class="sourceLineNo">291</span> EnvironmentEdgeManager.currentTime(), null);<a name="line.291"></a> +<span class="sourceLineNo">292</span><a name="line.292"></a> +<span class="sourceLineNo">293</span> List<RetriesExhaustedException.ThrowableWithExtraContext> exceptions =<a name="line.293"></a> +<span class="sourceLineNo">294</span> Collections.singletonList(qt);<a name="line.294"></a> +<span class="sourceLineNo">295</span><a name="line.295"></a> +<span class="sourceLineNo">296</span> throw new RetriesExhaustedException(retries, exceptions);<a name="line.296"></a> +<span class="sourceLineNo">297</span> }<a name="line.297"></a> +<span class="sourceLineNo">298</span><a name="line.298"></a> +<span class="sourceLineNo">299</span> /**<a name="line.299"></a> +<span class="sourceLineNo">300</span> * Creates the calls and submit them<a name="line.300"></a> +<span class="sourceLineNo">301</span> *<a name="line.301"></a> +<span class="sourceLineNo">302</span> * @param cs - the completion service to use for submitting<a name="line.302"></a> +<span class="sourceLineNo">303</span> * @param rl - the region locations<a name="line.303"></a> +<span class="sourceLineNo">304</span> * @param min - the id of the first replica, inclusive<a name="line.304"></a> +<span class="sourceLineNo">305</span> * @param max - the id of the last replica, inclusive.<a name="line.305"></a> +<span class="sourceLineNo">306</span> */<a name="line.306"></a> +<span class="sourceLineNo">307</span> private void addCallsForReplica(ResultBoundedCompletionService<Result> cs,<a name="line.307"></a> +<span class="sourceLineNo">308</span> RegionLocations rl, int min, int max) {<a name="line.308"></a> +<span class="sourceLineNo">309</span> for (int id = min; id <= max; id++) {<a name="line.309"></a> +<span class="sourceLineNo">310</span> HRegionLocation hrl = rl.getRegionLocation(id);<a name="line.310"></a> +<span class="sourceLineNo">311</span> ReplicaRegionServerCallable callOnReplica = new ReplicaRegionServerCallable(id, hrl);<a name="line.311"></a> +<span class="sourceLineNo">312</span> cs.submit(callOnReplica, operationTimeout, id);<a name="line.312"></a> +<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> +<span class="sourceLineNo">316</span> static RegionLocations getRegionLocations(boolean useCache, int replicaId,<a name="line.316"></a> +<span class="sourceLineNo">317</span> ClusterConnection cConnection, TableName tableName, byte[] row)<a name="line.317"></a> +<span class="sourceLineNo">318</span> throws RetriesExhaustedException, DoNotRetryIOException, InterruptedIOException {<a name="line.318"></a> +<span class="sourceLineNo">319</span><a name="line.319"></a> +<span class="sourceLineNo">320</span> RegionLocations rl;<a name="line.320"></a> +<span class="sourceLineNo">321</span> try {<a name="line.321"></a> +<span class="sourceLineNo">322</span> if (useCache) {<a name="line.322"></a> +<span class="sourceLineNo">323</span> rl = cConnection.locateRegion(tableName, row, true, true, replicaId);<a name="line.323"></a> +<span class="sourceLineNo">324</span> } else {<a name="line.324"></a> +<span class="sourceLineNo">325</span> rl = cConnection.relocateRegion(tableName, row, replicaId);<a name="line.325"></a> +<span class="sourceLineNo">326</span> }<a name="line.326"></a> +<span class="sourceLineNo">327</span> } catch (DoNotRetryIOException | InterruptedIOException | RetriesExhaustedException e) {<a name="line.327"></a> +<span class="sourceLineNo">328</span> throw e;<a name="line.328"></a> +<span class="sourceLineNo">329</span> } catch (IOException e) {<a name="line.329"></a> +<span class="sourceLineNo">330</span> throw new RetriesExhaustedException("Can't get the location for replica " + replicaId, e);<a name="line.330"></a> +<span class="sourceLineNo">331</span> }<a name="line.331"></a> +<span class="sourceLineNo">332</span> if (rl == null) {<a name="line.332"></a> +<span class="sourceLineNo">333</span> throw new RetriesExhaustedException("Can't get the location for replica " + replicaId);<a name="line.333"></a> +<span class="sourceLineNo">334</span> }<a name="line.334"></a> +<span class="sourceLineNo">335</span><a name="line.335"></a> +<span class="sourceLineNo">336</span> return rl;<a name="line.336"></a> +<span class="sourceLineNo">337</span> }<a name="line.337"></a> +<span class="sourceLineNo">338</span>}<a name="line.338"></a>