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Posted to commits@hbase.apache.org by gi...@apache.org on 2017/08/01 15:08:01 UTC
[19/43] hbase-site git commit: Published site at
82d554e3783372cc6b05489452c815b57c06f6cd.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/110df817/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.SchemaLocking.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.SchemaLocking.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.SchemaLocking.html
index 38cee64..d900251 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.SchemaLocking.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.SchemaLocking.html
@@ -220,1065 +220,1075 @@
<span class="sourceLineNo">212</span> }<a name="line.212"></a>
<span class="sourceLineNo">213</span><a name="line.213"></a>
<span class="sourceLineNo">214</span> final Procedure pollResult = rq.peek();<a name="line.214"></a>
-<span class="sourceLineNo">215</span> final boolean xlockReq = rq.requireExclusiveLock(pollResult);<a name="line.215"></a>
-<span class="sourceLineNo">216</span> if (xlockReq && rq.getLockStatus().isLocked() && !rq.getLockStatus().hasLockAccess(pollResult)) {<a name="line.216"></a>
-<span class="sourceLineNo">217</span> // someone is already holding the lock (e.g. shared lock). avoid a yield<a name="line.217"></a>
-<span class="sourceLineNo">218</span> removeFromRunQueue(fairq, rq);<a name="line.218"></a>
-<span class="sourceLineNo">219</span> return null;<a name="line.219"></a>
-<span class="sourceLineNo">220</span> }<a name="line.220"></a>
-<span class="sourceLineNo">221</span><a name="line.221"></a>
-<span class="sourceLineNo">222</span> rq.poll();<a name="line.222"></a>
-<span class="sourceLineNo">223</span> if (rq.isEmpty() || xlockReq) {<a name="line.223"></a>
-<span class="sourceLineNo">224</span> removeFromRunQueue(fairq, rq);<a name="line.224"></a>
-<span class="sourceLineNo">225</span> } else if (rq.getLockStatus().hasParentLock(pollResult)) {<a name="line.225"></a>
-<span class="sourceLineNo">226</span> // if the rq is in the fairq because of runnable child<a name="line.226"></a>
-<span class="sourceLineNo">227</span> // check if the next procedure is still a child.<a name="line.227"></a>
-<span class="sourceLineNo">228</span> // if not, remove the rq from the fairq and go back to the xlock state<a name="line.228"></a>
-<span class="sourceLineNo">229</span> Procedure nextProc = rq.peek();<a name="line.229"></a>
-<span class="sourceLineNo">230</span> if (nextProc != null && !Procedure.haveSameParent(nextProc, pollResult)) {<a name="line.230"></a>
-<span class="sourceLineNo">231</span> removeFromRunQueue(fairq, rq);<a name="line.231"></a>
-<span class="sourceLineNo">232</span> }<a name="line.232"></a>
-<span class="sourceLineNo">233</span> }<a name="line.233"></a>
-<span class="sourceLineNo">234</span><a name="line.234"></a>
-<span class="sourceLineNo">235</span> return pollResult;<a name="line.235"></a>
-<span class="sourceLineNo">236</span> }<a name="line.236"></a>
+<span class="sourceLineNo">215</span> if (pollResult == null) {<a name="line.215"></a>
+<span class="sourceLineNo">216</span> return null;<a name="line.216"></a>
+<span class="sourceLineNo">217</span> }<a name="line.217"></a>
+<span class="sourceLineNo">218</span> final boolean xlockReq = rq.requireExclusiveLock(pollResult);<a name="line.218"></a>
+<span class="sourceLineNo">219</span> if (xlockReq && rq.getLockStatus().isLocked() && !rq.getLockStatus().hasLockAccess(pollResult)) {<a name="line.219"></a>
+<span class="sourceLineNo">220</span> // someone is already holding the lock (e.g. shared lock). avoid a yield<a name="line.220"></a>
+<span class="sourceLineNo">221</span> removeFromRunQueue(fairq, rq);<a name="line.221"></a>
+<span class="sourceLineNo">222</span> return null;<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> rq.poll();<a name="line.225"></a>
+<span class="sourceLineNo">226</span> if (rq.isEmpty() || xlockReq) {<a name="line.226"></a>
+<span class="sourceLineNo">227</span> removeFromRunQueue(fairq, rq);<a name="line.227"></a>
+<span class="sourceLineNo">228</span> } else if (rq.getLockStatus().hasParentLock(pollResult)) {<a name="line.228"></a>
+<span class="sourceLineNo">229</span> // if the rq is in the fairq because of runnable child<a name="line.229"></a>
+<span class="sourceLineNo">230</span> // check if the next procedure is still a child.<a name="line.230"></a>
+<span class="sourceLineNo">231</span> // if not, remove the rq from the fairq and go back to the xlock state<a name="line.231"></a>
+<span class="sourceLineNo">232</span> Procedure nextProc = rq.peek();<a name="line.232"></a>
+<span class="sourceLineNo">233</span> if (nextProc != null && !Procedure.haveSameParent(nextProc, pollResult)) {<a name="line.233"></a>
+<span class="sourceLineNo">234</span> removeFromRunQueue(fairq, rq);<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><a name="line.237"></a>
-<span class="sourceLineNo">238</span> private LockInfo createLockInfo(LockInfo.ResourceType resourceType,<a name="line.238"></a>
-<span class="sourceLineNo">239</span> String resourceName, LockAndQueue queue) {<a name="line.239"></a>
-<span class="sourceLineNo">240</span> LockInfo info = new LockInfo();<a name="line.240"></a>
-<span class="sourceLineNo">241</span><a name="line.241"></a>
-<span class="sourceLineNo">242</span> info.setResourceType(resourceType);<a name="line.242"></a>
-<span class="sourceLineNo">243</span> info.setResourceName(resourceName);<a name="line.243"></a>
+<span class="sourceLineNo">238</span> return pollResult;<a name="line.238"></a>
+<span class="sourceLineNo">239</span> }<a name="line.239"></a>
+<span class="sourceLineNo">240</span><a name="line.240"></a>
+<span class="sourceLineNo">241</span> private LockInfo createLockInfo(LockInfo.ResourceType resourceType,<a name="line.241"></a>
+<span class="sourceLineNo">242</span> String resourceName, LockAndQueue queue) {<a name="line.242"></a>
+<span class="sourceLineNo">243</span> LockInfo info = new LockInfo();<a name="line.243"></a>
<span class="sourceLineNo">244</span><a name="line.244"></a>
-<span class="sourceLineNo">245</span> if (queue.hasExclusiveLock()) {<a name="line.245"></a>
-<span class="sourceLineNo">246</span> info.setLockType(LockInfo.LockType.EXCLUSIVE);<a name="line.246"></a>
+<span class="sourceLineNo">245</span> info.setResourceType(resourceType);<a name="line.245"></a>
+<span class="sourceLineNo">246</span> info.setResourceName(resourceName);<a name="line.246"></a>
<span class="sourceLineNo">247</span><a name="line.247"></a>
-<span class="sourceLineNo">248</span> Procedure<?> exclusiveLockOwnerProcedure = queue.getExclusiveLockOwnerProcedure();<a name="line.248"></a>
-<span class="sourceLineNo">249</span> ProcedureInfo exclusiveLockOwnerProcedureInfo =<a name="line.249"></a>
-<span class="sourceLineNo">250</span> ProcedureUtil.convertToProcedureInfo(exclusiveLockOwnerProcedure);<a name="line.250"></a>
-<span class="sourceLineNo">251</span> info.setExclusiveLockOwnerProcedure(exclusiveLockOwnerProcedureInfo);<a name="line.251"></a>
-<span class="sourceLineNo">252</span> } else if (queue.getSharedLockCount() > 0) {<a name="line.252"></a>
-<span class="sourceLineNo">253</span> info.setLockType(LockInfo.LockType.SHARED);<a name="line.253"></a>
-<span class="sourceLineNo">254</span> info.setSharedLockCount(queue.getSharedLockCount());<a name="line.254"></a>
-<span class="sourceLineNo">255</span> }<a name="line.255"></a>
-<span class="sourceLineNo">256</span><a name="line.256"></a>
-<span class="sourceLineNo">257</span> for (Procedure<?> procedure : queue) {<a name="line.257"></a>
-<span class="sourceLineNo">258</span> if (!(procedure instanceof LockProcedure)) {<a name="line.258"></a>
-<span class="sourceLineNo">259</span> continue;<a name="line.259"></a>
-<span class="sourceLineNo">260</span> }<a name="line.260"></a>
-<span class="sourceLineNo">261</span><a name="line.261"></a>
-<span class="sourceLineNo">262</span> LockProcedure lockProcedure = (LockProcedure)procedure;<a name="line.262"></a>
-<span class="sourceLineNo">263</span> LockInfo.WaitingProcedure waitingProcedure = new LockInfo.WaitingProcedure();<a name="line.263"></a>
+<span class="sourceLineNo">248</span> if (queue.hasExclusiveLock()) {<a name="line.248"></a>
+<span class="sourceLineNo">249</span> info.setLockType(LockInfo.LockType.EXCLUSIVE);<a name="line.249"></a>
+<span class="sourceLineNo">250</span><a name="line.250"></a>
+<span class="sourceLineNo">251</span> Procedure<?> exclusiveLockOwnerProcedure = queue.getExclusiveLockOwnerProcedure();<a name="line.251"></a>
+<span class="sourceLineNo">252</span> ProcedureInfo exclusiveLockOwnerProcedureInfo =<a name="line.252"></a>
+<span class="sourceLineNo">253</span> ProcedureUtil.convertToProcedureInfo(exclusiveLockOwnerProcedure);<a name="line.253"></a>
+<span class="sourceLineNo">254</span> info.setExclusiveLockOwnerProcedure(exclusiveLockOwnerProcedureInfo);<a name="line.254"></a>
+<span class="sourceLineNo">255</span> } else if (queue.getSharedLockCount() > 0) {<a name="line.255"></a>
+<span class="sourceLineNo">256</span> info.setLockType(LockInfo.LockType.SHARED);<a name="line.256"></a>
+<span class="sourceLineNo">257</span> info.setSharedLockCount(queue.getSharedLockCount());<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> for (Procedure<?> procedure : queue) {<a name="line.260"></a>
+<span class="sourceLineNo">261</span> if (!(procedure instanceof LockProcedure)) {<a name="line.261"></a>
+<span class="sourceLineNo">262</span> continue;<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> switch (lockProcedure.getType()) {<a name="line.265"></a>
-<span class="sourceLineNo">266</span> case EXCLUSIVE:<a name="line.266"></a>
-<span class="sourceLineNo">267</span> waitingProcedure.setLockType(LockInfo.LockType.EXCLUSIVE);<a name="line.267"></a>
-<span class="sourceLineNo">268</span> break;<a name="line.268"></a>
-<span class="sourceLineNo">269</span> case SHARED:<a name="line.269"></a>
-<span class="sourceLineNo">270</span> waitingProcedure.setLockType(LockInfo.LockType.SHARED);<a name="line.270"></a>
+<span class="sourceLineNo">265</span> LockProcedure lockProcedure = (LockProcedure)procedure;<a name="line.265"></a>
+<span class="sourceLineNo">266</span> LockInfo.WaitingProcedure waitingProcedure = new LockInfo.WaitingProcedure();<a name="line.266"></a>
+<span class="sourceLineNo">267</span><a name="line.267"></a>
+<span class="sourceLineNo">268</span> switch (lockProcedure.getType()) {<a name="line.268"></a>
+<span class="sourceLineNo">269</span> case EXCLUSIVE:<a name="line.269"></a>
+<span class="sourceLineNo">270</span> waitingProcedure.setLockType(LockInfo.LockType.EXCLUSIVE);<a name="line.270"></a>
<span class="sourceLineNo">271</span> break;<a name="line.271"></a>
-<span class="sourceLineNo">272</span> }<a name="line.272"></a>
-<span class="sourceLineNo">273</span><a name="line.273"></a>
-<span class="sourceLineNo">274</span> ProcedureInfo procedureInfo = ProcedureUtil.convertToProcedureInfo(lockProcedure);<a name="line.274"></a>
-<span class="sourceLineNo">275</span> waitingProcedure.setProcedure(procedureInfo);<a name="line.275"></a>
+<span class="sourceLineNo">272</span> case SHARED:<a name="line.272"></a>
+<span class="sourceLineNo">273</span> waitingProcedure.setLockType(LockInfo.LockType.SHARED);<a name="line.273"></a>
+<span class="sourceLineNo">274</span> break;<a name="line.274"></a>
+<span class="sourceLineNo">275</span> }<a name="line.275"></a>
<span class="sourceLineNo">276</span><a name="line.276"></a>
-<span class="sourceLineNo">277</span> info.addWaitingProcedure(waitingProcedure);<a name="line.277"></a>
-<span class="sourceLineNo">278</span> }<a name="line.278"></a>
+<span class="sourceLineNo">277</span> ProcedureInfo procedureInfo = ProcedureUtil.convertToProcedureInfo(lockProcedure);<a name="line.277"></a>
+<span class="sourceLineNo">278</span> waitingProcedure.setProcedure(procedureInfo);<a name="line.278"></a>
<span class="sourceLineNo">279</span><a name="line.279"></a>
-<span class="sourceLineNo">280</span> return info;<a name="line.280"></a>
-<span class="sourceLineNo">281</span> }<a name="line.281"></a>
+<span class="sourceLineNo">280</span> info.addWaitingProcedure(waitingProcedure);<a name="line.280"></a>
+<span class="sourceLineNo">281</span> }<a name="line.281"></a>
<span class="sourceLineNo">282</span><a name="line.282"></a>
-<span class="sourceLineNo">283</span> @Override<a name="line.283"></a>
-<span class="sourceLineNo">284</span> public List<LockInfo> listLocks() {<a name="line.284"></a>
-<span class="sourceLineNo">285</span> schedLock();<a name="line.285"></a>
-<span class="sourceLineNo">286</span><a name="line.286"></a>
-<span class="sourceLineNo">287</span> try {<a name="line.287"></a>
-<span class="sourceLineNo">288</span> List<LockInfo> lockInfos = new ArrayList<>();<a name="line.288"></a>
+<span class="sourceLineNo">283</span> return info;<a name="line.283"></a>
+<span class="sourceLineNo">284</span> }<a name="line.284"></a>
+<span class="sourceLineNo">285</span><a name="line.285"></a>
+<span class="sourceLineNo">286</span> @Override<a name="line.286"></a>
+<span class="sourceLineNo">287</span> public List<LockInfo> listLocks() {<a name="line.287"></a>
+<span class="sourceLineNo">288</span> schedLock();<a name="line.288"></a>
<span class="sourceLineNo">289</span><a name="line.289"></a>
-<span class="sourceLineNo">290</span> for (Entry<ServerName, LockAndQueue> entry : locking.serverLocks<a name="line.290"></a>
-<span class="sourceLineNo">291</span> .entrySet()) {<a name="line.291"></a>
-<span class="sourceLineNo">292</span> String serverName = entry.getKey().getServerName();<a name="line.292"></a>
-<span class="sourceLineNo">293</span> LockAndQueue queue = entry.getValue();<a name="line.293"></a>
-<span class="sourceLineNo">294</span><a name="line.294"></a>
-<span class="sourceLineNo">295</span> if (queue.isLocked()) {<a name="line.295"></a>
-<span class="sourceLineNo">296</span> LockInfo lockInfo = createLockInfo(LockInfo.ResourceType.SERVER,<a name="line.296"></a>
-<span class="sourceLineNo">297</span> serverName, queue);<a name="line.297"></a>
-<span class="sourceLineNo">298</span> lockInfos.add(lockInfo);<a name="line.298"></a>
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-<span class="sourceLineNo">304</span> String namespaceName = entry.getKey();<a name="line.304"></a>
-<span class="sourceLineNo">305</span> LockAndQueue queue = entry.getValue();<a name="line.305"></a>
-<span class="sourceLineNo">306</span><a name="line.306"></a>
-<span class="sourceLineNo">307</span> if (queue.isLocked()) {<a name="line.307"></a>
-<span class="sourceLineNo">308</span> LockInfo lockInfo = createLockInfo(LockInfo.ResourceType.NAMESPACE,<a name="line.308"></a>
-<span class="sourceLineNo">309</span> namespaceName, queue);<a name="line.309"></a>
-<span class="sourceLineNo">310</span> lockInfos.add(lockInfo);<a name="line.310"></a>
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-<span class="sourceLineNo">316</span> String tableName = entry.getKey().getNameAsString();<a name="line.316"></a>
-<span class="sourceLineNo">317</span> LockAndQueue queue = entry.getValue();<a name="line.317"></a>
-<span class="sourceLineNo">318</span><a name="line.318"></a>
-<span class="sourceLineNo">319</span> if (queue.isLocked()) {<a name="line.319"></a>
-<span class="sourceLineNo">320</span> LockInfo lockInfo = createLockInfo(LockInfo.ResourceType.TABLE,<a name="line.320"></a>
-<span class="sourceLineNo">321</span> tableName, queue);<a name="line.321"></a>
-<span class="sourceLineNo">322</span> lockInfos.add(lockInfo);<a name="line.322"></a>
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-<span class="sourceLineNo">344</span> public LockInfo getLockInfoForResource(LockInfo.ResourceType resourceType, String resourceName) {<a name="line.344"></a>
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-<span class="sourceLineNo">350</span> queue = locking.serverLocks.get(ServerName.valueOf(resourceName));<a name="line.350"></a>
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-<span class="sourceLineNo">353</span> queue = locking.namespaceLocks.get(resourceName);<a name="line.353"></a>
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+<span class="sourceLineNo">294</span> .entrySet()) {<a name="line.294"></a>
+<span class="sourceLineNo">295</span> String serverName = entry.getKey().getServerName();<a name="line.295"></a>
+<span class="sourceLineNo">296</span> LockAndQueue queue = entry.getValue();<a name="line.296"></a>
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+<span class="sourceLineNo">299</span> LockInfo lockInfo = createLockInfo(LockInfo.ResourceType.SERVER,<a name="line.299"></a>
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+<span class="sourceLineNo">301</span> lockInfos.add(lockInfo);<a name="line.301"></a>
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+<span class="sourceLineNo">578</span><a name="line.578"></a>
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+<span class="sourceLineNo">588</span><a name="line.588"></a>
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+<span class="sourceLineNo">590</span> // Table Locking Helpers<a name="line.590"></a>
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+<span class="sourceLineNo">592</span> /**<a name="line.592"></a>
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+<span class="sourceLineNo">602</span> case EDIT:<a name="line.602"></a>
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+<span class="sourceLineNo">608</span> // and then they will grab an xlock on the region.<a name="line.608"></a>
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+<span class="sourceLineNo">613</span> case REGION_EDIT:<a name="line.613"></a>
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+<span class="sourceLineNo">641</span> LOG.debug(msg);<a name="line.641"></a>
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+<span class="sourceLineNo">644</span><a name="line.644"></a>
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-<span class="sourceLineNo">697</span> * Suspend the procedure if the specified table is already locked.<a name="line.697"></a>
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-<span class="sourceLineNo">700</span> * @param table Table to lock<a name="line.700"></a>
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-<span
<TRUNCATED>