You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2018/03/17 14:53:58 UTC
[22/51] [partial] hbase-site git commit: Published site at
00095a2ef9442e3fd86c04876c9d91f2f8b23ad8.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/bd675fa3/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.SingleServerRequestRunnable.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.SingleServerRequestRunnable.html b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.SingleServerRequestRunnable.html
index c27b109..4160a88 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.SingleServerRequestRunnable.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/client/AsyncRequestFutureImpl.SingleServerRequestRunnable.html
@@ -105,7 +105,7 @@
<span class="sourceLineNo">097</span> try {<a name="line.97"></a>
<span class="sourceLineNo">098</span> done = waitUntilDone(startTime * 1000L + asyncProcess.primaryCallTimeoutMicroseconds);<a name="line.98"></a>
<span class="sourceLineNo">099</span> } catch (InterruptedException ex) {<a name="line.99"></a>
-<span class="sourceLineNo">100</span> LOG.error("Replica thread was interrupted - no replica calls: " + ex.getMessage());<a name="line.100"></a>
+<span class="sourceLineNo">100</span> LOG.error("Replica thread interrupted - no replica calls {}", ex.getMessage());<a name="line.100"></a>
<span class="sourceLineNo">101</span> return;<a name="line.101"></a>
<span class="sourceLineNo">102</span> }<a name="line.102"></a>
<span class="sourceLineNo">103</span> }<a name="line.103"></a>
@@ -149,7 +149,7 @@
<span class="sourceLineNo">141</span> if (loc == null) return;<a name="line.141"></a>
<span class="sourceLineNo">142</span> HRegionLocation[] locs = loc.getRegionLocations();<a name="line.142"></a>
<span class="sourceLineNo">143</span> if (locs.length == 1) {<a name="line.143"></a>
-<span class="sourceLineNo">144</span> LOG.warn("No replicas found for " + action.getAction());<a name="line.144"></a>
+<span class="sourceLineNo">144</span> LOG.warn("No replicas found for {}", action.getAction());<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> synchronized (replicaResultLock) {<a name="line.147"></a>
@@ -230,8 +230,8 @@
<span class="sourceLineNo">222</span> return;<a name="line.222"></a>
<span class="sourceLineNo">223</span> } catch (Throwable t) {<a name="line.223"></a>
<span class="sourceLineNo">224</span> // This should not happen. Let's log & retry anyway.<a name="line.224"></a>
-<span class="sourceLineNo">225</span> LOG.error("#" + asyncProcess.id + ", Caught throwable while calling. This is unexpected." +<a name="line.225"></a>
-<span class="sourceLineNo">226</span> " Retrying. Server is " + server + ", tableName=" + tableName, t);<a name="line.226"></a>
+<span class="sourceLineNo">225</span> LOG.error("id=" + asyncProcess.id + ", caught throwable. Unexpected." +<a name="line.225"></a>
+<span class="sourceLineNo">226</span> " Retrying. Server=" + server + ", tableName=" + tableName, t);<a name="line.226"></a>
<span class="sourceLineNo">227</span> receiveGlobalFailure(multiAction, server, numAttempt, t);<a name="line.227"></a>
<span class="sourceLineNo">228</span> return;<a name="line.228"></a>
<span class="sourceLineNo">229</span> }<a name="line.229"></a>
@@ -247,1036 +247,1035 @@
<span class="sourceLineNo">239</span> }<a name="line.239"></a>
<span class="sourceLineNo">240</span> } catch (Throwable t) {<a name="line.240"></a>
<span class="sourceLineNo">241</span> // Something really bad happened. We are on the send thread that will now die.<a name="line.241"></a>
-<span class="sourceLineNo">242</span> LOG.error("Internal AsyncProcess #" + asyncProcess.id + " error for "<a name="line.242"></a>
-<span class="sourceLineNo">243</span> + tableName + " processing for " + server, t);<a name="line.243"></a>
-<span class="sourceLineNo">244</span> throw new RuntimeException(t);<a name="line.244"></a>
-<span class="sourceLineNo">245</span> } finally {<a name="line.245"></a>
-<span class="sourceLineNo">246</span> asyncProcess.decTaskCounters(multiAction.getRegions(), server);<a name="line.246"></a>
-<span class="sourceLineNo">247</span> if (callsInProgress != null && callable != null && res != null) {<a name="line.247"></a>
-<span class="sourceLineNo">248</span> callsInProgress.remove(callable);<a name="line.248"></a>
-<span class="sourceLineNo">249</span> }<a name="line.249"></a>
-<span class="sourceLineNo">250</span> }<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><a name="line.253"></a>
-<span class="sourceLineNo">254</span> private final Batch.Callback<CResult> callback;<a name="line.254"></a>
-<span class="sourceLineNo">255</span> private final BatchErrors errors;<a name="line.255"></a>
-<span class="sourceLineNo">256</span> private final ConnectionImplementation.ServerErrorTracker errorsByServer;<a name="line.256"></a>
-<span class="sourceLineNo">257</span> private final ExecutorService pool;<a name="line.257"></a>
-<span class="sourceLineNo">258</span> private final Set<CancellableRegionServerCallable> callsInProgress;<a name="line.258"></a>
+<span class="sourceLineNo">242</span> LOG.error("id=" + asyncProcess.id + " error for " + tableName + " processing " + server, t);<a name="line.242"></a>
+<span class="sourceLineNo">243</span> throw new RuntimeException(t);<a name="line.243"></a>
+<span class="sourceLineNo">244</span> } finally {<a name="line.244"></a>
+<span class="sourceLineNo">245</span> asyncProcess.decTaskCounters(multiAction.getRegions(), server);<a name="line.245"></a>
+<span class="sourceLineNo">246</span> if (callsInProgress != null && callable != null && res != null) {<a name="line.246"></a>
+<span class="sourceLineNo">247</span> callsInProgress.remove(callable);<a name="line.247"></a>
+<span class="sourceLineNo">248</span> }<a name="line.248"></a>
+<span class="sourceLineNo">249</span> }<a name="line.249"></a>
+<span class="sourceLineNo">250</span> }<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> private final Batch.Callback<CResult> callback;<a name="line.253"></a>
+<span class="sourceLineNo">254</span> private final BatchErrors errors;<a name="line.254"></a>
+<span class="sourceLineNo">255</span> private final ConnectionImplementation.ServerErrorTracker errorsByServer;<a name="line.255"></a>
+<span class="sourceLineNo">256</span> private final ExecutorService pool;<a name="line.256"></a>
+<span class="sourceLineNo">257</span> private final Set<CancellableRegionServerCallable> callsInProgress;<a name="line.257"></a>
+<span class="sourceLineNo">258</span><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> private final TableName tableName;<a name="line.261"></a>
-<span class="sourceLineNo">262</span> private final AtomicLong actionsInProgress = new AtomicLong(-1);<a name="line.262"></a>
-<span class="sourceLineNo">263</span> /**<a name="line.263"></a>
-<span class="sourceLineNo">264</span> * The lock controls access to results. It is only held when populating results where<a name="line.264"></a>
-<span class="sourceLineNo">265</span> * there might be several callers (eventual consistency gets). For other requests,<a name="line.265"></a>
-<span class="sourceLineNo">266</span> * there's one unique call going on per result index.<a name="line.266"></a>
-<span class="sourceLineNo">267</span> */<a name="line.267"></a>
-<span class="sourceLineNo">268</span> private final Object replicaResultLock = new Object();<a name="line.268"></a>
-<span class="sourceLineNo">269</span> /**<a name="line.269"></a>
-<span class="sourceLineNo">270</span> * Result array. Null if results are not needed. Otherwise, each index corresponds to<a name="line.270"></a>
-<span class="sourceLineNo">271</span> * the action index in initial actions submitted. For most request types, has null-s for<a name="line.271"></a>
-<span class="sourceLineNo">272</span> * requests that are not done, and result/exception for those that are done.<a name="line.272"></a>
-<span class="sourceLineNo">273</span> * For eventual-consistency gets, initially the same applies; at some point, replica calls<a name="line.273"></a>
-<span class="sourceLineNo">274</span> * might be started, and ReplicaResultState is put at the corresponding indices. The<a name="line.274"></a>
-<span class="sourceLineNo">275</span> * returning calls check the type to detect when this is the case. After all calls are done,<a name="line.275"></a>
-<span class="sourceLineNo">276</span> * ReplicaResultState-s are replaced with results for the user.<a name="line.276"></a>
-<span class="sourceLineNo">277</span> */<a name="line.277"></a>
-<span class="sourceLineNo">278</span> private final Object[] results;<a name="line.278"></a>
-<span class="sourceLineNo">279</span> /**<a name="line.279"></a>
-<span class="sourceLineNo">280</span> * Indices of replica gets in results. If null, all or no actions are replica-gets.<a name="line.280"></a>
-<span class="sourceLineNo">281</span> */<a name="line.281"></a>
-<span class="sourceLineNo">282</span> private final int[] replicaGetIndices;<a name="line.282"></a>
-<span class="sourceLineNo">283</span> private final boolean hasAnyReplicaGets;<a name="line.283"></a>
-<span class="sourceLineNo">284</span> private final long nonceGroup;<a name="line.284"></a>
-<span class="sourceLineNo">285</span> private final CancellableRegionServerCallable currentCallable;<a name="line.285"></a>
-<span class="sourceLineNo">286</span> private final int operationTimeout;<a name="line.286"></a>
-<span class="sourceLineNo">287</span> private final int rpcTimeout;<a name="line.287"></a>
-<span class="sourceLineNo">288</span> private final AsyncProcess asyncProcess;<a name="line.288"></a>
-<span class="sourceLineNo">289</span><a name="line.289"></a>
-<span class="sourceLineNo">290</span> /**<a name="line.290"></a>
-<span class="sourceLineNo">291</span> * For {@link AsyncRequestFutureImpl#manageError(int, Row, Retry, Throwable, ServerName)}. Only<a name="line.291"></a>
-<span class="sourceLineNo">292</span> * used to make logging more clear, we don't actually care why we don't retry.<a name="line.292"></a>
-<span class="sourceLineNo">293</span> */<a name="line.293"></a>
-<span class="sourceLineNo">294</span> public enum Retry {<a name="line.294"></a>
-<span class="sourceLineNo">295</span> YES,<a name="line.295"></a>
-<span class="sourceLineNo">296</span> NO_LOCATION_PROBLEM,<a name="line.296"></a>
-<span class="sourceLineNo">297</span> NO_NOT_RETRIABLE,<a name="line.297"></a>
-<span class="sourceLineNo">298</span> NO_RETRIES_EXHAUSTED,<a name="line.298"></a>
-<span class="sourceLineNo">299</span> NO_OTHER_SUCCEEDED<a name="line.299"></a>
-<span class="sourceLineNo">300</span> }<a name="line.300"></a>
-<span class="sourceLineNo">301</span><a name="line.301"></a>
-<span class="sourceLineNo">302</span> /** Sync point for calls to multiple replicas for the same user request (Get).<a name="line.302"></a>
-<span class="sourceLineNo">303</span> * Created and put in the results array (we assume replica calls require results) when<a name="line.303"></a>
-<span class="sourceLineNo">304</span> * the replica calls are launched. See results for details of this process.<a name="line.304"></a>
-<span class="sourceLineNo">305</span> * POJO, all fields are public. To modify them, the object itself is locked. */<a name="line.305"></a>
-<span class="sourceLineNo">306</span> private static class ReplicaResultState {<a name="line.306"></a>
-<span class="sourceLineNo">307</span> public ReplicaResultState(int callCount) {<a name="line.307"></a>
-<span class="sourceLineNo">308</span> this.callCount = callCount;<a name="line.308"></a>
-<span class="sourceLineNo">309</span> }<a name="line.309"></a>
-<span class="sourceLineNo">310</span><a name="line.310"></a>
-<span class="sourceLineNo">311</span> /** Number of calls outstanding, or 0 if a call succeeded (even with others outstanding). */<a name="line.311"></a>
-<span class="sourceLineNo">312</span> int callCount;<a name="line.312"></a>
-<span class="sourceLineNo">313</span> /** Errors for which it is not decided whether we will report them to user. If one of the<a name="line.313"></a>
-<span class="sourceLineNo">314</span> * calls succeeds, we will discard the errors that may have happened in the other calls. */<a name="line.314"></a>
-<span class="sourceLineNo">315</span> BatchErrors replicaErrors = null;<a name="line.315"></a>
-<span class="sourceLineNo">316</span><a name="line.316"></a>
-<span class="sourceLineNo">317</span> @Override<a name="line.317"></a>
-<span class="sourceLineNo">318</span> public String toString() {<a name="line.318"></a>
-<span class="sourceLineNo">319</span> return "[call count " + callCount + "; errors " + replicaErrors + "]";<a name="line.319"></a>
-<span class="sourceLineNo">320</span> }<a name="line.320"></a>
-<span class="sourceLineNo">321</span> }<a name="line.321"></a>
-<span class="sourceLineNo">322</span><a name="line.322"></a>
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-<span class="sourceLineNo">325</span> this.pool = task.getPool();<a name="line.325"></a>
-<span class="sourceLineNo">326</span> this.callback = task.getCallback();<a name="line.326"></a>
-<span class="sourceLineNo">327</span> this.nonceGroup = nonceGroup;<a name="line.327"></a>
-<span class="sourceLineNo">328</span> this.tableName = task.getTableName();<a name="line.328"></a>
-<span class="sourceLineNo">329</span> this.actionsInProgress.set(actions.size());<a name="line.329"></a>
-<span class="sourceLineNo">330</span> if (task.getResults() == null) {<a name="line.330"></a>
-<span class="sourceLineNo">331</span> results = task.getNeedResults() ? new Object[actions.size()] : null;<a name="line.331"></a>
-<span class="sourceLineNo">332</span> } else {<a name="line.332"></a>
-<span class="sourceLineNo">333</span> if (task.getResults().length != actions.size()) {<a name="line.333"></a>
-<span class="sourceLineNo">334</span> throw new AssertionError("results.length");<a name="line.334"></a>
-<span class="sourceLineNo">335</span> }<a name="line.335"></a>
-<span class="sourceLineNo">336</span> this.results = task.getResults();<a name="line.336"></a>
-<span class="sourceLineNo">337</span> for (int i = 0; i != this.results.length; ++i) {<a name="line.337"></a>
-<span class="sourceLineNo">338</span> results[i] = null;<a name="line.338"></a>
-<span class="sourceLineNo">339</span> }<a name="line.339"></a>
-<span class="sourceLineNo">340</span> }<a name="line.340"></a>
-<span class="sourceLineNo">341</span> List<Integer> replicaGetIndices = null;<a name="line.341"></a>
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-<span class="sourceLineNo">344</span> // Check to see if any requests might require replica calls.<a name="line.344"></a>
-<span class="sourceLineNo">345</span> // We expect that many requests will consist of all or no multi-replica gets; in such<a name="line.345"></a>
-<span class="sourceLineNo">346</span> // cases we would just use a boolean (hasAnyReplicaGets). If there's a mix, we will<a name="line.346"></a>
-<span class="sourceLineNo">347</span> // store the list of action indexes for which replica gets are possible, and set<a name="line.347"></a>
-<span class="sourceLineNo">348</span> // hasAnyReplicaGets to true.<a name="line.348"></a>
-<span class="sourceLineNo">349</span> boolean hasAnyNonReplicaReqs = false;<a name="line.349"></a>
-<span class="sourceLineNo">350</span> int posInList = 0;<a name="line.350"></a>
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-<span class="sourceLineNo">353</span> if (isReplicaGet) {<a name="line.353"></a>
-<span class="sourceLineNo">354</span> hasAnyReplicaGets = true;<a name="line.354"></a>
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-<span class="sourceLineNo">356</span> if (replicaGetIndices == null) {<a name="line.356"></a>
-<span class="sourceLineNo">357</span> replicaGetIndices = new ArrayList<>(actions.size() - 1);<a name="line.357"></a>
-<span class="sourceLineNo">358</span> }<a name="line.358"></a>
-<span class="sourceLineNo">359</span> replicaGetIndices.add(posInList);<a name="line.359"></a>
-<span class="sourceLineNo">360</span> }<a name="line.360"></a>
-<span class="sourceLineNo">361</span> } else if (!hasAnyNonReplicaReqs) {<a name="line.361"></a>
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-<span class="sourceLineNo">363</span> hasAnyNonReplicaReqs = true;<a name="line.363"></a>
-<span class="sourceLineNo">364</span> if (posInList > 0) {<a name="line.364"></a>
-<span class="sourceLineNo">365</span> // Add all the previous requests to the index lists. We know they are all<a name="line.365"></a>
-<span class="sourceLineNo">366</span> // replica-gets because this is the first non-multi-replica request in the list.<a name="line.366"></a>
-<span class="sourceLineNo">367</span> replicaGetIndices = new ArrayList<>(actions.size() - 1);<a name="line.367"></a>
-<span class="sourceLineNo">368</span> for (int i = 0; i < posInList; ++i) {<a name="line.368"></a>
-<span class="sourceLineNo">369</span> replicaGetIndices.add(i);<a name="line.369"></a>
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-<span class="sourceLineNo">371</span> }<a name="line.371"></a>
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-<span class="sourceLineNo">387</span> Collections.newSetFromMap(<a name="line.387"></a>
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-<span class="sourceLineNo">402</span> return callsInProgress;<a name="line.402"></a>
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-<span class="sourceLineNo">416</span> */<a name="line.416"></a>
-<span class="sourceLineNo">417</span> void groupAndSendMultiAction(List<Action> currentActions, int numAttempt) {<a name="line.417"></a>
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-<span class="sourceLineNo">421</span> List<Action> unknownReplicaActions = null;<a name="line.421"></a>
-<span class="sourceLineNo">422</span> for (Action action : currentActions) {<a name="line.422"></a>
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-<span class="sourceLineNo">901</span> // we still process errors<a name="line.901"></a>
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+<span class="sourceLineNo">268</span> /**<a name="line.268"></a>
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<TRUNCATED>