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 2017/05/25 14:59:55 UTC
[23/37] hbase-site git commit: Published site at
82d554e3783372cc6b05489452c815b57c06f6cd.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/6cafca90/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.ServerQueueKeyComparator.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.ServerQueueKeyComparator.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.ServerQueueKeyComparator.html
index ec7097b..92d4ef6 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.ServerQueueKeyComparator.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.ServerQueueKeyComparator.html
@@ -347,871 +347,925 @@
<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> @Override<a name="line.341"></a>
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-<span class="sourceLineNo">378</span><a name="line.378"></a>
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+<span class="sourceLineNo">464</span> // Table Queue Lookup Helpers<a name="line.464"></a>
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+<span class="sourceLineNo">485</span><a name="line.485"></a>
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+<span class="sourceLineNo">490</span> // ============================================================================<a name="line.490"></a>
+<span class="sourceLineNo">491</span> // Server Queue Lookup Helpers<a name="line.491"></a>
+<span class="sourceLineNo">492</span> // ============================================================================<a name="line.492"></a>
+<span class="sourceLineNo">493</span> private ServerQueue getServerQueue(ServerName serverName) {<a name="line.493"></a>
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+<span class="sourceLineNo">502</span><a name="line.502"></a>
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+<span class="sourceLineNo">506</span><a name="line.506"></a>
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+<span class="sourceLineNo">515</span> // ============================================================================<a name="line.515"></a>
+<span class="sourceLineNo">516</span> // Table and Server Queue Implementation<a name="line.516"></a>
+<span class="sourceLineNo">517</span> // ============================================================================<a name="line.517"></a>
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+<span class="sourceLineNo">533</span> switch (spi.getServerOperationType()) {<a name="line.533"></a>
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+<span class="sourceLineNo">548</span> }<a name="line.548"></a>
+<span class="sourceLineNo">549</span><a name="line.549"></a>
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+<span class="sourceLineNo">556</span> this.namespaceLockStatus = namespaceLockStatus;<a name="line.556"></a>
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+<span class="sourceLineNo">558</span><a name="line.558"></a>
+<span class="sourceLineNo">559</span> @Override<a name="line.559"></a>
+<span class="sourceLineNo">560</span> public boolean isAvailable() {<a name="line.560"></a>
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+<span class="sourceLineNo">562</span> // we can't execute operation on this table<a name="line.562"></a>
+<span class="sourceLineNo">563</span> if (isEmpty() || namespaceLockStatus.hasExclusiveLock()) {<a name="line.563"></a>
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+<span class="sourceLineNo">567</span> if (getLockStatus().hasExclusiveLock()) {<a name="line.567"></a>
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+<span class="sourceLineNo">569</span> // only child of the lock owner can be executed<a name="line.569"></a>
+<span class="sourceLineNo">570</span> final Procedure nextProc = peek();<a name="line.570"></a>
+<span class="sourceLineNo">571</span> return nextProc != null && getLockStatus().hasLockAccess(nextProc);<a name="line.571"></a>
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+<span class="sourceLineNo">573</span><a name="line.573"></a>
+<span class="sourceLineNo">574</span> // no xlock<a name="line.574"></a>
+<span class="sourceLineNo">575</span> return true;<a name="line.575"></a>
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+<span class="sourceLineNo">584</span> // ============================================================================<a name="line.584"></a>
+<span class="sourceLineNo">585</span> // Table Locking Helpers<a name="line.585"></a>
+<span class="sourceLineNo">586</span> // ============================================================================<a name="line.586"></a>
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+<span class="sourceLineNo">589</span> case CREATE:<a name="line.589"></a>
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+<span class="sourceLineNo">591</span> case DISABLE:<a name="line.591"></a>
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+<span class="sourceLineNo">593</span> return true;<a name="line.593"></a>
+<span class="sourceLineNo">594</span> case EDIT:<a name="line.594"></a>
+<span class="sourceLineNo">595</span> // we allow concurrent edit on the NS table<a name="line.595"></a>
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+<span class="sourceLineNo">597</span> case READ:<a name="line.597"></a>
+<span class="sourceLineNo">598</span> return false;<a name="line.598"></a>
+<span class="sourceLineNo">599</span> // region operations are using the shared-lock on the table<a name="line.599"></a>
+<span class="sourceLineNo">600</span> // and then they will grab an xlock on the region.<a name="line.600"></a>
+<span class="sourceLineNo">601</span> case SPLIT:<a name="line.601"></a>
+<span class="sourceLineNo">602</span> case MERGE:<a name="line.602"></a>
+<span class="sourceLineNo">603</span> case ASSIGN:<a name="line.603"></a>
+<span class="sourceLineNo">604</span> case UNASSIGN:<a name="line.604"></a>
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+<span class="sourceLineNo">610</span> throw new UnsupportedOperationException("unexpected type " +<a name="line.610"></a>
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+<span class="sourceLineNo">613</span><a name="line.613"></a>
+<span class="sourceLineNo">614</span> /**<a name="line.614"></a>
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+<span class="sourceLineNo">631</span> LOG.debug(msg);<a name="line.631"></a>
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+<span class="sourceLineNo">634</span><a name="line.634"></a>
+<span class="sourceLineNo">635</span> /**<a name="line.635"></a>
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+<span class="sourceLineNo">641</span> */<a name="line.641"></a>
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+<span class="sourceLineNo">644</span> try {<a name="line.644"></a>
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+<span class="sourceLineNo">650</span> logLockInfoForResource(LockInfo.ResourceType.NAMESPACE, namespace);<a name="line.650"></a>
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+<span class="sourceLineNo">656</span> logLockInfoForResource(LockInfo.ResourceType.TABLE, table.getNameAsString());<a name="line.656"></a>
+<span class="sourceLineNo">657</span> return true;<a name="line.657"></a>
+<span class="sourceLineNo">658</span> }<a name="line.658"></a>
+<span class="sourceLineNo">659</span> removeFromRunQueue(tableRunQueue, getTableQueue(table));<a name="line.659"></a>
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+<span class="sourceLineNo">665</span><a name="line.665"></a>
+<span class="sourceLineNo">666</span> /**<a name="line.666"></a>
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+<span class="sourceLineNo">668</span> * @param procedure the procedure releasing the lock<a name="line.668"></a>
+<span class="sourceLineNo">669</span> * @param table the name of the table that has the exclusive lock<a name="line.669"></a>
+<span class="sourceLineNo">670</span> */<a name="line.670"></a>
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+<span class="sourceLineNo">677</span><a name="line.677"></a>
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+<span class="sourceLineNo">680</span> waitingCount += wakeWaitingProcedures(tableLock);<a name="line.680"></a>
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+<span class="sourceLineNo">691</span><a name="line.691"></a>
+<span class="sourceLineNo">692</span> /**<a name="line.692"></a>
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+<span class="sourceLineNo">695</span> * @param procedure the procedure trying to acquire the lock<a name="line.695"></a>
+<span class="sourceLineNo">696</span> * @param table Table to lock<a name="line.696"></a>
+<span class="sourceLineNo">697</span> * @return true if the procedure has to wait for the table to be available<a name="line.697"></a>
+<span class="sourceLineNo">698</span> */<a name="line.698"></a>
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+<span class="sourceLineNo">702</span><a name="line.702"></a>
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+<span class="sourceLineNo">712</span><a name="line.712"></a>
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+<span class="sourceLineNo">723</span> }<a name="line.723"></a>
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+<span class="sourceLineNo">728</span> * @param table the name of the table that has the shared lock<a name="line.728"></a>
+<span class="sourceLineNo">729</span> */<a name="line.729"></a>
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+<span class="sourceLineNo">739</span> }<a name="line.739"></a>
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+<span class="sourceLineNo">743</span> wakePollIfNeeded(waitingCount);<a name="line.743"></a>
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+<span class="sourceLineNo">745</span> schedUnlock();<a name="line.745"></a>
+<span class="sourceLineNo">746</span> }<a name="line.746"></a>
+<span class="sourceLineNo">747</span> }<a name="line.747"></a>
+<span class="sourceLineNo">748</span><a name="line.748"></a>
+<span class="sourceLineNo">749</span> /**<a name="line.749"></a>
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+<span class="sourceLineNo">751</span> * If there are new operations pending (e.g. a new create),<a name="line.751"></a>
+<span class="sourceLineNo">752</span> * the remove will not be performed.<a name="line.752"></a>
+<span class="sourceLineNo">753</span> * @param table the name of the table that should be marked as deleted<a name="line.753"></a>
+<span class="sourceLineNo">754</span> * @param procedure the procedure that is removing the table<a name="line.754"></a>
+<span class="sourceLineNo">755</span> * @return true if deletion succeeded, false otherwise meaning that there are<a name="line.755"></a>
+<span class="sourceLineNo">756</span> * other new operations pending for that table (e.g. a new create).<a name="line.756"></a>
+<span class="sourceLineNo">757</span> */<a name="line.757"></a>
+<span class="sourceLineNo">758</span> @VisibleForTesting<a name="line.758"></a>
+<span class="sourceLineNo">759</span> protected boolean markTableAsDeleted(final TableName table, final Procedure procedure) {<a name="line.759"></a>
+<span class="sourceLineNo">760</span> schedLock();<a name="line.760"></a>
+<span class="sourceLineNo">761</span> try {<a name="line.761"></a>
+<span class="sourceLineNo">762</span> final TableQueue queue = getTableQueue(table);<a name="line.762"></a>
+<span class="sourceLineNo">763</span> final LockAndQueue tableLock = locking.getTableLock(table);<a name="line.763"></a>
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+<span class="sourceLineNo">765</span><a name="line.765"></a>
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+<span class="sourceLineNo">767</span> // remove the table from the run-queue and the map<a name="line.767"></a>
+<span class="sourceLineNo">768</span> if (AvlIterableList.isLinked(queue)) {<a name="line.768"></a>
+<span class="sourceLineNo">769</span> tableRunQueue.remove(queue);<a name="line.769"></a>
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+<span class="sourceLineNo">771</span> removeTableQueue(table);<a name="line.771"></a>
+<span class="sourceLineNo">772</span> } else {<a name="line.772"></a>
+<span class="sourceLineNo">773</span> // TODO: If there are no create, we can drop all the other ops<a name="line.773"></a>
+<span class="sourceLineNo">774</span> return false;<a name="line.774"></a>
+<span class="sourceLineNo">775</span> }<a name="line.775"></a>
+<span class="sourceLineNo">776</span> } finally {<a name="line.776"></a>
+<span class="sourceLineNo">777</span> schedUnlock();<a name="line.777"></a>
+<span class="sourceLineNo">778</span> }<a name="line.778"></a>
+<span class="sourceLineNo">779</span> return true;<a name="line.779"></a>
+<span class="sourceLineNo">780</span> }<a name="line.780"></a>
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-<span class="sourceLineNo">788</span> }<a name="line.788"></a>
-<span class="sourceLineNo">789</span> }<a name="line.789"></a>
-<span class="sourceLineNo">790</span><a name="line.790"></a>
-<span class="sourceLineNo">791</span> /**<a name="line.791"></a>
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-<span class="sourceLineNo">793</span> * @param procedure the procedure that was holding the region<a name="line.793"></a>
-<span class="sourceLineNo">794</span> * @param regionInfo the region the procedure was holding<a name="line.794"></a>
-<span class="sourceLineNo">795</span> */<a name="line.795"></a>
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-<span class="sourceLineNo">799</span><a name="line.799"></a>
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-<span class="sourceLineNo">801</span> * Wake the procedures waiting for the specified regions<a name="line.801"></a>
-<span class="sourceLineNo">802</span> * @param procedure the procedure that was holding the regions<a name="line.802"></a>
-<span class="sourceLineNo">803</span> * @param regionInfo the list of regions the procedure was holding<a name="line.803"></a>
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-<span class="sourceLineNo">806</span> final HRegionInfo... regionInfo) {<a name="line.806"></a>
-<span class="sourceLineNo">807</span> Arrays.sort(regionInfo);<a name="line.807"></a>
-<span class="sourceLineNo">808</span> schedLock();<a name="line.808"></a>
-<span class="sourceLineNo">809</span> try {<a name="line.809"></a>
-<span class="sourceLineNo">810</span> int numProcs = 0;<a name="line.810"></a>
-<span class="sourceLineNo">811</span> final Procedure[] nextProcs = new Procedure[regionInfo.length];<a name="line.811"></a>
-<span class="sourceLineNo">812</span> for (int i = 0; i < regionInfo.length; ++i) {<a name="line.812"></a>
-<span class="sourceLineNo">813</span> assert regionInfo[i].getTable().equals(table);<a name="line.813"></a>
-<span class="sourceLineNo">814</span> assert i == 0 || regionInfo[i] != regionInfo[i - 1] : "duplicate region: " + regionInfo[i];<a name="line.814"></a>
-<span class="sourceLineNo">815</span><a name="line.815"></a>
-<span class="sourceLineNo">816</span> LockAndQueue regionLock = locking.getRegionLock(regionInfo[i].getEncodedName());<a name="line.816"></a>
-<span class="sourceLineNo">817</span> if (regionLock.releaseExclusiveLock(procedure)) {<a name="line.817"></a>
-<span class="sourceLineNo">818</span> if (!regionLock.isEmpty()) {<a name="line.818"></a>
-<span class="sourceLineNo">819</span> // release one procedure at the time since regions has an xlock<a name="line.819"></a>
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-<span class="sourceLineNo">821</span> } else {<a name="line.821"></a>
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<TRUNCATED>