[19/27] hbase-site git commit: Published site at a838f7631f60d5c12736e8dae2856e1cc5a3bd99.

[gi...@apache.org]

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/c91fafb4/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.html
index 83c8b9e..d1e0ec4 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/procedure/MasterProcedureScheduler.html
@@ -539,7 +539,7 @@
 <span class="sourceLineNo">531</span>      final String namespace = table.getNamespaceAsString();<a name="line.531"></a>
 <span class="sourceLineNo">532</span>      final LockAndQueue namespaceLock = locking.getNamespaceLock(namespace);<a name="line.532"></a>
 <span class="sourceLineNo">533</span>      final LockAndQueue tableLock = locking.getTableLock(table);<a name="line.533"></a>
-<span class="sourceLineNo">534</span>      if (!namespaceLock.trySharedLock()) {<a name="line.534"></a>
+<span class="sourceLineNo">534</span>      if (!namespaceLock.trySharedLock(procedure)) {<a name="line.534"></a>
 <span class="sourceLineNo">535</span>        waitProcedure(namespaceLock, procedure);<a name="line.535"></a>
 <span class="sourceLineNo">536</span>        logLockedResource(LockedResourceType.NAMESPACE, namespace);<a name="line.536"></a>
 <span class="sourceLineNo">537</span>        return true;<a name="line.537"></a>
@@ -568,443 +568,438 @@
 <span class="sourceLineNo">560</span>      final LockAndQueue namespaceLock = locking.getNamespaceLock(table.getNamespaceAsString());<a name="line.560"></a>
 <span class="sourceLineNo">561</span>      final LockAndQueue tableLock = locking.getTableLock(table);<a name="line.561"></a>
 <span class="sourceLineNo">562</span>      int waitingCount = 0;<a name="line.562"></a>
-<span class="sourceLineNo">563</span><a name="line.563"></a>
-<span class="sourceLineNo">564</span>      if (!tableLock.hasParentLock(procedure)) {<a name="line.564"></a>
-<span class="sourceLineNo">565</span>        tableLock.releaseExclusiveLock(procedure);<a name="line.565"></a>
-<span class="sourceLineNo">566</span>        waitingCount += wakeWaitingProcedures(tableLock);<a name="line.566"></a>
-<span class="sourceLineNo">567</span>      }<a name="line.567"></a>
-<span class="sourceLineNo">568</span>      if (namespaceLock.releaseSharedLock()) {<a name="line.568"></a>
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-<span class="sourceLineNo">571</span>      addToRunQueue(tableRunQueue, getTableQueue(table));<a name="line.571"></a>
-<span class="sourceLineNo">572</span>      wakePollIfNeeded(waitingCount);<a name="line.572"></a>
-<span class="sourceLineNo">573</span>    } finally {<a name="line.573"></a>
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-<span class="sourceLineNo">578</span>  /**<a name="line.578"></a>
-<span class="sourceLineNo">579</span>   * Suspend the procedure if the specified table is already locked.<a name="line.579"></a>
-<span class="sourceLineNo">580</span>   * other "read" operations in the table-queue may be executed concurrently,<a name="line.580"></a>
-<span class="sourceLineNo">581</span>   * @param procedure the procedure trying to acquire the lock<a name="line.581"></a>
-<span class="sourceLineNo">582</span>   * @param table Table to lock<a name="line.582"></a>
-<span class="sourceLineNo">583</span>   * @return true if the procedure has to wait for the table to be available<a name="line.583"></a>
-<span class="sourceLineNo">584</span>   */<a name="line.584"></a>
-<span class="sourceLineNo">585</span>  public boolean waitTableSharedLock(final Procedure&lt;?&gt; procedure, final TableName table) {<a name="line.585"></a>
-<span class="sourceLineNo">586</span>    return waitTableQueueSharedLock(procedure, table) == null;<a name="line.586"></a>
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-<span class="sourceLineNo">588</span><a name="line.588"></a>
-<span class="sourceLineNo">589</span>  private TableQueue waitTableQueueSharedLock(final Procedure&lt;?&gt; procedure, final TableName table) {<a name="line.589"></a>
-<span class="sourceLineNo">590</span>    schedLock();<a name="line.590"></a>
-<span class="sourceLineNo">591</span>    try {<a name="line.591"></a>
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-<span class="sourceLineNo">605</span>      return getTableQueue(table);<a name="line.605"></a>
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-<span class="sourceLineNo">611</span>  /**<a name="line.611"></a>
-<span class="sourceLineNo">612</span>   * Wake the procedures waiting for the specified table<a name="line.612"></a>
-<span class="sourceLineNo">613</span>   * @param procedure the procedure releasing the lock<a name="line.613"></a>
-<span class="sourceLineNo">614</span>   * @param table the name of the table that has the shared lock<a name="line.614"></a>
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-<span class="sourceLineNo">618</span>    try {<a name="line.618"></a>
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-<span class="sourceLineNo">620</span>      final LockAndQueue tableLock = locking.getTableLock(table);<a name="line.620"></a>
-<span class="sourceLineNo">621</span>      int waitingCount = 0;<a name="line.621"></a>
-<span class="sourceLineNo">622</span>      if (tableLock.releaseSharedLock()) {<a name="line.622"></a>
-<span class="sourceLineNo">623</span>        addToRunQueue(tableRunQueue, getTableQueue(table));<a name="line.623"></a>
-<span class="sourceLineNo">624</span>        waitingCount += wakeWaitingProcedures(tableLock);<a name="line.624"></a>
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-<span class="sourceLineNo">635</span>  /**<a name="line.635"></a>
-<span class="sourceLineNo">636</span>   * Tries to remove the queue and the table-lock of the specified table.<a name="line.636"></a>
-<span class="sourceLineNo">637</span>   * If there are new operations pending (e.g. a new create),<a name="line.637"></a>
-<span class="sourceLineNo">638</span>   * the remove will not be performed.<a name="line.638"></a>
-<span class="sourceLineNo">639</span>   * @param table the name of the table that should be marked as deleted<a name="line.639"></a>
-<span class="sourceLineNo">640</span>   * @param procedure the procedure that is removing the table<a name="line.640"></a>
-<span class="sourceLineNo">641</span>   * @return true if deletion succeeded, false otherwise meaning that there are<a name="line.641"></a>
-<span class="sourceLineNo">642</span>   *     other new operations pending for that table (e.g. a new create).<a name="line.642"></a>
-<span class="sourceLineNo">643</span>   */<a name="line.643"></a>
-<span class="sourceLineNo">644</span>  @VisibleForTesting<a name="line.644"></a>
-<span class="sourceLineNo">645</span>  boolean markTableAsDeleted(final TableName table, final Procedure&lt;?&gt; procedure) {<a name="line.645"></a>
-<span class="sourceLineNo">646</span>    schedLock();<a name="line.646"></a>
-<span class="sourceLineNo">647</span>    try {<a name="line.647"></a>
-<span class="sourceLineNo">648</span>      final TableQueue queue = getTableQueue(table);<a name="line.648"></a>
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-<span class="sourceLineNo">653</span>        // remove the table from the run-queue and the map<a name="line.653"></a>
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-<span class="sourceLineNo">667</span><a name="line.667"></a>
+<span class="sourceLineNo">563</span>      if (tableLock.releaseExclusiveLock(procedure)) {<a name="line.563"></a>
+<span class="sourceLineNo">564</span>        waitingCount += wakeWaitingProcedures(tableLock);<a name="line.564"></a>
+<span class="sourceLineNo">565</span>      }<a name="line.565"></a>
+<span class="sourceLineNo">566</span>      if (namespaceLock.releaseSharedLock()) {<a name="line.566"></a>
+<span class="sourceLineNo">567</span>        waitingCount += wakeWaitingProcedures(namespaceLock);<a name="line.567"></a>
+<span class="sourceLineNo">568</span>      }<a name="line.568"></a>
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+<span class="sourceLineNo">570</span>      wakePollIfNeeded(waitingCount);<a name="line.570"></a>
+<span class="sourceLineNo">571</span>    } finally {<a name="line.571"></a>
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+<span class="sourceLineNo">573</span>    }<a name="line.573"></a>
+<span class="sourceLineNo">574</span>  }<a name="line.574"></a>
+<span class="sourceLineNo">575</span><a name="line.575"></a>
+<span class="sourceLineNo">576</span>  /**<a name="line.576"></a>
+<span class="sourceLineNo">577</span>   * Suspend the procedure if the specified table is already locked.<a name="line.577"></a>
+<span class="sourceLineNo">578</span>   * other "read" operations in the table-queue may be executed concurrently,<a name="line.578"></a>
+<span class="sourceLineNo">579</span>   * @param procedure the procedure trying to acquire the lock<a name="line.579"></a>
+<span class="sourceLineNo">580</span>   * @param table Table to lock<a name="line.580"></a>
+<span class="sourceLineNo">581</span>   * @return true if the procedure has to wait for the table to be available<a name="line.581"></a>
+<span class="sourceLineNo">582</span>   */<a name="line.582"></a>
+<span class="sourceLineNo">583</span>  public boolean waitTableSharedLock(final Procedure&lt;?&gt; procedure, final TableName table) {<a name="line.583"></a>
+<span class="sourceLineNo">584</span>    return waitTableQueueSharedLock(procedure, table) == null;<a name="line.584"></a>
+<span class="sourceLineNo">585</span>  }<a name="line.585"></a>
+<span class="sourceLineNo">586</span><a name="line.586"></a>
+<span class="sourceLineNo">587</span>  private TableQueue waitTableQueueSharedLock(final Procedure&lt;?&gt; procedure, final TableName table) {<a name="line.587"></a>
+<span class="sourceLineNo">588</span>    schedLock();<a name="line.588"></a>
+<span class="sourceLineNo">589</span>    try {<a name="line.589"></a>
+<span class="sourceLineNo">590</span>      final LockAndQueue namespaceLock = locking.getNamespaceLock(table.getNamespaceAsString());<a name="line.590"></a>
+<span class="sourceLineNo">591</span>      final LockAndQueue tableLock = locking.getTableLock(table);<a name="line.591"></a>
+<span class="sourceLineNo">592</span>      if (!namespaceLock.trySharedLock(procedure)) {<a name="line.592"></a>
+<span class="sourceLineNo">593</span>        waitProcedure(namespaceLock, procedure);<a name="line.593"></a>
+<span class="sourceLineNo">594</span>        return null;<a name="line.594"></a>
+<span class="sourceLineNo">595</span>      }<a name="line.595"></a>
+<span class="sourceLineNo">596</span><a name="line.596"></a>
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+<span class="sourceLineNo">598</span>        namespaceLock.releaseSharedLock();<a name="line.598"></a>
+<span class="sourceLineNo">599</span>        waitProcedure(tableLock, procedure);<a name="line.599"></a>
+<span class="sourceLineNo">600</span>        return null;<a name="line.600"></a>
+<span class="sourceLineNo">601</span>      }<a name="line.601"></a>
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+<span class="sourceLineNo">604</span>    } finally {<a name="line.604"></a>
+<span class="sourceLineNo">605</span>      schedUnlock();<a name="line.605"></a>
+<span class="sourceLineNo">606</span>    }<a name="line.606"></a>
+<span class="sourceLineNo">607</span>  }<a name="line.607"></a>
+<span class="sourceLineNo">608</span><a name="line.608"></a>
+<span class="sourceLineNo">609</span>  /**<a name="line.609"></a>
+<span class="sourceLineNo">610</span>   * Wake the procedures waiting for the specified table<a name="line.610"></a>
+<span class="sourceLineNo">611</span>   * @param procedure the procedure releasing the lock<a name="line.611"></a>
+<span class="sourceLineNo">612</span>   * @param table the name of the table that has the shared lock<a name="line.612"></a>
+<span class="sourceLineNo">613</span>   */<a name="line.613"></a>
+<span class="sourceLineNo">614</span>  public void wakeTableSharedLock(final Procedure&lt;?&gt; procedure, final TableName table) {<a name="line.614"></a>
+<span class="sourceLineNo">615</span>    schedLock();<a name="line.615"></a>
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+<span class="sourceLineNo">619</span>      int waitingCount = 0;<a name="line.619"></a>
+<span class="sourceLineNo">620</span>      if (tableLock.releaseSharedLock()) {<a name="line.620"></a>
+<span class="sourceLineNo">621</span>        addToRunQueue(tableRunQueue, getTableQueue(table));<a name="line.621"></a>
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+<span class="sourceLineNo">627</span>      wakePollIfNeeded(waitingCount);<a name="line.627"></a>
+<span class="sourceLineNo">628</span>    } finally {<a name="line.628"></a>
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+<span class="sourceLineNo">632</span><a name="line.632"></a>
+<span class="sourceLineNo">633</span>  /**<a name="line.633"></a>
+<span class="sourceLineNo">634</span>   * Tries to remove the queue and the table-lock of the specified table.<a name="line.634"></a>
+<span class="sourceLineNo">635</span>   * If there are new operations pending (e.g. a new create),<a name="line.635"></a>
+<span class="sourceLineNo">636</span>   * the remove will not be performed.<a name="line.636"></a>
+<span class="sourceLineNo">637</span>   * @param table the name of the table that should be marked as deleted<a name="line.637"></a>
+<span class="sourceLineNo">638</span>   * @param procedure the procedure that is removing the table<a name="line.638"></a>
+<span class="sourceLineNo">639</span>   * @return true if deletion succeeded, false otherwise meaning that there are<a name="line.639"></a>
+<span class="sourceLineNo">640</span>   *     other new operations pending for that table (e.g. a new create).<a name="line.640"></a>
+<span class="sourceLineNo">641</span>   */<a name="line.641"></a>
+<span class="sourceLineNo">642</span>  @VisibleForTesting<a name="line.642"></a>
+<span class="sourceLineNo">643</span>  boolean markTableAsDeleted(final TableName table, final Procedure&lt;?&gt; procedure) {<a name="line.643"></a>
+<span class="sourceLineNo">644</span>    schedLock();<a name="line.644"></a>
+<span class="sourceLineNo">645</span>    try {<a name="line.645"></a>
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+<span class="sourceLineNo">651</span>        // remove the table from the run-queue and the map<a name="line.651"></a>
+<span class="sourceLineNo">652</span>        if (AvlIterableList.isLinked(queue)) {<a name="line.652"></a>
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+<span class="sourceLineNo">656</span>      } else {<a name="line.656"></a>
+<span class="sourceLineNo">657</span>        // TODO: If there are no create, we can drop all the other ops<a name="line.657"></a>
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+<span class="sourceLineNo">660</span>    } finally {<a name="line.660"></a>
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+<span class="sourceLineNo">663</span>    return true;<a name="line.663"></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>
+<span class="sourceLineNo">667</span>  //  Region Locking Helpers<a name="line.667"></a>
 <span class="sourceLineNo">668</span>  // ============================================================================<a name="line.668"></a>
-<span class="sourceLineNo">669</span>  //  Region Locking Helpers<a name="line.669"></a>
-<span class="sourceLineNo">670</span>  // ============================================================================<a name="line.670"></a>
-<span class="sourceLineNo">671</span>  /**<a name="line.671"></a>
-<span class="sourceLineNo">672</span>   * Suspend the procedure if the specified region is already locked.<a name="line.672"></a>
-<span class="sourceLineNo">673</span>   * @param procedure the procedure trying to acquire the lock on the region<a name="line.673"></a>
-<span class="sourceLineNo">674</span>   * @param regionInfo the region we are trying to lock<a name="line.674"></a>
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-<span class="sourceLineNo">676</span>   */<a name="line.676"></a>
-<span class="sourceLineNo">677</span>  public boolean waitRegion(final Procedure&lt;?&gt; procedure, final RegionInfo regionInfo) {<a name="line.677"></a>
-<span class="sourceLineNo">678</span>    return waitRegions(procedure, regionInfo.getTable(), regionInfo);<a name="line.678"></a>
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-<span class="sourceLineNo">682</span>   * Suspend the procedure if the specified set of regions are already locked.<a name="line.682"></a>
-<span class="sourceLineNo">683</span>   * @param procedure the procedure trying to acquire the lock on the regions<a name="line.683"></a>
-<span class="sourceLineNo">684</span>   * @param table the table name of the regions we are trying to lock<a name="line.684"></a>
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-<span class="sourceLineNo">706</span>        assert regionInfo[i] != null;<a name="line.706"></a>
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-<span class="sourceLineNo">732</span>   * Wake the procedures waiting for the specified region<a name="line.732"></a>
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-<span class="sourceLineNo">734</span>   * @param regionInfo the region the procedure was holding<a name="line.734"></a>
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-<span class="sourceLineNo">741</span>   * Wake the procedures waiting for the specified regions<a name="line.741"></a>
-<span class="sourceLineNo">742</span>   * @param procedure the procedure that was holding the regions<a name="line.742"></a>
-<span class="sourceLineNo">743</span>   * @param regionInfo the list of regions the procedure was holding<a name="line.743"></a>
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-<span class="sourceLineNo">764</span>        }<a name="line.764"></a>
+<span class="sourceLineNo">669</span>  /**<a name="line.669"></a>
+<span class="sourceLineNo">670</span>   * Suspend the procedure if the specified region is already locked.<a name="line.670"></a>
+<span class="sourceLineNo">671</span>   * @param procedure the procedure trying to acquire the lock on the region<a name="line.671"></a>
+<span class="sourceLineNo">672</span>   * @param regionInfo the region we are trying to lock<a name="line.672"></a>
+<span class="sourceLineNo">673</span>   * @return true if the procedure has to wait for the regions to be available<a name="line.673"></a>
+<span class="sourceLineNo">674</span>   */<a name="line.674"></a>
+<span class="sourceLineNo">675</span>  public boolean waitRegion(final Procedure&lt;?&gt; procedure, final RegionInfo regionInfo) {<a name="line.675"></a>
+<span class="sourceLineNo">676</span>    return waitRegions(procedure, regionInfo.getTable(), regionInfo);<a name="line.676"></a>
+<span class="sourceLineNo">677</span>  }<a name="line.677"></a>
+<span class="sourceLineNo">678</span><a name="line.678"></a>
+<span class="sourceLineNo">679</span>  /**<a name="line.679"></a>
+<span class="sourceLineNo">680</span>   * Suspend the procedure if the specified set of regions are already locked.<a name="line.680"></a>
+<span class="sourceLineNo">681</span>   * @param procedure the procedure trying to acquire the lock on the regions<a name="line.681"></a>
+<span class="sourceLineNo">682</span>   * @param table the table name of the regions we are trying to lock<a name="line.682"></a>
+<span class="sourceLineNo">683</span>   * @param regionInfo the list of regions we are trying to lock<a name="line.683"></a>
+<span class="sourceLineNo">684</span>   * @return true if the procedure has to wait for the regions to be available<a name="line.684"></a>
+<span class="sourceLineNo">685</span>   */<a name="line.685"></a>
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+<span class="sourceLineNo">687</span>      final RegionInfo... regionInfo) {<a name="line.687"></a>
+<span class="sourceLineNo">688</span>    Arrays.sort(regionInfo, RegionInfo.COMPARATOR);<a name="line.688"></a>
+<span class="sourceLineNo">689</span>    schedLock();<a name="line.689"></a>
+<span class="sourceLineNo">690</span>    try {<a name="line.690"></a>
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+<span class="sourceLineNo">695</span><a name="line.695"></a>
+<span class="sourceLineNo">696</span>      // acquire region xlocks or wait<a name="line.696"></a>
+<span class="sourceLineNo">697</span>      boolean hasLock = true;<a name="line.697"></a>
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+<span class="sourceLineNo">700</span>        LOG.info("{} checking lock on {}", procedure, regionInfo[i].getEncodedName());<a name="line.700"></a>
+<span class="sourceLineNo">701</span>        assert regionInfo[i] != null;<a name="line.701"></a>
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+<span class="sourceLineNo">705</span><a name="line.705"></a>
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+<span class="sourceLineNo">709</span>          hasLock = false;<a name="line.709"></a>
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+<span class="sourceLineNo">714</span>        }<a name="line.714"></a>
+<span class="sourceLineNo">715</span>      }<a name="line.715"></a>
+<span class="sourceLineNo">716</span><a name="line.716"></a>
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+<span class="sourceLineNo">720</span>      return !hasLock;<a name="line.720"></a>
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+<span class="sourceLineNo">723</span>    }<a name="line.723"></a>
+<span class="sourceLineNo">724</span>  }<a name="line.724"></a>
+<span class="sourceLineNo">725</span><a name="line.725"></a>
+<span class="sourceLineNo">726</span>  /**<a name="line.726"></a>
+<span class="sourceLineNo">727</span>   * Wake the procedures waiting for the specified region<a name="line.727"></a>
+<span class="sourceLineNo">728</span>   * @param procedure the procedure that was holding the region<a name="line.728"></a>
+<span class="sourceLineNo">729</span>   * @param regionInfo the region the procedure was holding<a name="line.729"></a>
+<span class="sourceLineNo">730</span>   */<a name="line.730"></a>
+<span class="sourceLineNo">731</span>  public void wakeRegion(final Procedure&lt;?&gt; procedure, final RegionInfo regionInfo) {<a name="line.731"></a>
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+<span class="sourceLineNo">734</span><a name="line.734"></a>
+<span class="sourceLineNo">735</span>  /**<a name="line.735"></a>
+<span class="sourceLineNo">736</span>   * Wake the procedures waiting for the specified regions<a name="line.736"></a>
+<span class="sourceLineNo">737</span>   * @param procedure the procedure that was holding the regions<a name="line.737"></a>
+<span class="sourceLineNo">738</span>   * @param regionInfo the list of regions the procedure was holding<a name="line.738"></a>
+<span class="sourceLineNo">739</span>   */<a name="line.739"></a>
+<span class="sourceLineNo">740</span>  public void wakeRegions(final Procedure&lt;?&gt; procedure,final TableName table,<a name="line.740"></a>
+<span class="sourceLineNo">741</span>      final RegionInfo... regionInfo) {<a name="line.741"></a>
+<span class="sourceLineNo">742</span>    Arrays.sort(regionInfo, RegionInfo.COMPARATOR);<a name="line.742"></a>
+<span class="sourceLineNo">743</span>    schedLock();<a name="line.743"></a>
+<span class="sourceLineNo">744</span>    try {<a name="line.744"></a>
+<span class="sourceLineNo">745</span>      int numProcs = 0;<a name="line.745"></a>
+<span class="sourceLineNo">746</span>      final Procedure&lt;?&gt;[] nextProcs = new Procedure[regionInfo.length];<a name="line.746"></a>
+<span class="sourceLineNo">747</span>      for (int i = 0; i &lt; regionInfo.length; ++i) {<a name="line.747"></a>
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+<span class="sourceLineNo">749</span>        assert i == 0 || regionInfo[i] != regionInfo[i - 1] : "duplicate region: " + regionInfo[i];<a name="line.749"></a>
+<span class="sourceLineNo">750</span><a name="line.750"></a>
+<span class="sourceLineNo">751</span>        LockAndQueue regionLock = locking.getRegionLock(regionInfo[i].getEncodedName());<a name="line.751"></a>
+<span class="sourceLineNo">752</span>        if (regionLock.releaseExclusiveLock(procedure)) {<a name="line.752"></a>
+<span class="sourceLineNo">753</span>          if (!regionLock.isWaitingQueueEmpty()) {<a name="line.753"></a>
+<span class="sourceLineNo">754</span>            // release one procedure at the time since regions has an xlock<a name="line.754"></a>
+<span class="sourceLineNo">755</span>            nextProcs[numProcs++] = regionLock.removeFirst();<a name="line.755"></a>
+<span class="sourceLineNo">756</span>          } else {<a name="line.756"></a>
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+<span class="sourceLineNo">758</span>          }<a name="line.758"></a>
+<span class="sourceLineNo">759</span>        }<a name="line.759"></a>
+<span class="sourceLineNo">760</span>      }<a name="line.760"></a>
+<span class="sourceLineNo">761</span><a name="line.761"></a>
+<span class="sourceLineNo">762</span>      // awake procedures if any<a name="line.762"></a>
+<span class="sourceLineNo">763</span>      for (int i = numProcs - 1; i &gt;= 0; --i) {<a name="line.763"></a>
+<span class="sourceLineNo">764</span>        wakeProcedure(nextProcs[i]);<a name="line.764"></a>
 <span class="sourceLineNo">765</span>      }<a name="line.765"></a>
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-<span class="sourceLineNo">767</span>      // awake procedures if any<a name="line.767"></a>
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-<span class="sourceLineNo">780</span>  }<a name="line.780"></a>
-<span class="sourceLineNo">781</span><a name="line.781"></a>
-<span class="sourceLineNo">782</span>  // ============================================================================<a name="line.782"></a>
-<span class="sourceLineNo">783</span>  //  Namespace Locking Helpers<a name="line.783"></a>
-<span class="sourceLineNo">784</span>  // ============================================================================<a name="line.784"></a>
-<span class="sourceLineNo">785</span>  /**<a name="line.785"></a>
-<span class="sourceLineNo">786</span>   * Suspend the procedure if the specified namespace is already locked.<a name="line.786"></a>
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-<span class="sourceLineNo">788</span>   * @param procedure the procedure trying to acquire the lock<a name="line.788"></a>
-<span class="sourceLineNo">789</span>   * @param namespace Namespace to lock<a name="line.789"></a>
-<span class="sourceLineNo">790</span>   * @return true if the procedure has to wait for the namespace to be available<a name="line.790"></a>
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-<span class="sourceLineNo">800</span>            TableName.NAMESPACE_TABLE_NAME.getNameAsString());<a name="line.800"></a>
+<span class="sourceLineNo">766</span>      wakePollIfNeeded(numProcs);<a name="line.766"></a>
+<span class="sourceLineNo">767</span>      // release the table shared-lock.<a name="line.767"></a>
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+<span class="sourceLineNo">771</span>    }<a name="line.771"></a>
+<span class="sourceLineNo">772</span>  }<a name="line.772"></a>
+<span class="sourceLineNo">773</span><a name="line.773"></a>
+<span class="sourceLineNo">774</span>  // ============================================================================<a name="line.774"></a>
+<span class="sourceLineNo">775</span>  //  Namespace Locking Helpers<a name="line.775"></a>
+<span class="sourceLineNo">776</span>  // ============================================================================<a name="line.776"></a>
+<span class="sourceLineNo">777</span>  /**<a name="line.777"></a>
+<span class="sourceLineNo">778</span>   * Suspend the procedure if the specified namespace is already locked.<a name="line.778"></a>
+<span class="sourceLineNo">779</span>   * @see #wakeNamespaceExclusiveLock(Procedure,String)<a name="line.779"></a>
+<span class="sourceLineNo">780</span>   * @param procedure the procedure trying to acquire the lock<a name="line.780"></a>
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+<span class="sourceLineNo">835</span>  // ============================================================================<a name="line.835"></a>
+<span class="sourceLineNo">836</span>  //  Server Locking Helpers<a name="line.836"></a>
+<span class="sourceLineNo">837</span>  // ============================================================================<a name="line.837"></a>
+<span class="sourceLineNo">838</span>  /**<a name="line.838"></a>
+<span class="sourceLineNo">839</span>   * Try to acquire the exclusive lock on the specified server.<a name="line.839"></a>
+<span class="sourceLineNo">840</span>   * @see #wakeServerExclusiveLock(Procedure,ServerName)<a name="line.840"></a>
+<span class="sourceLineNo">841</span>   * @param procedure the procedure trying to acquire the lock<a name="line.841"></a>
+<span class="sourceLineNo">842</span>   * @param serverName Server to lock<a name="line.842"></a>
+<span class="sourceLineNo">843</span>   * @return true if the procedure has to wait for the server to be available<a name="line.843"></a>
+<span class="sourceLineNo">844</span>   */<a name="line.844"></a>
+<span class="sourceLineNo">845</span>  public boolean waitServerExclusiveLock(final Procedure&lt;?&gt; procedure,<a name="line.845"></a>
+<span class="sourceLineNo">846</span>      final ServerName serverName) {<a name="line.846"></a>
+<span class="sourceLineNo">847</span>    schedLock();<a name="line.847"></a>
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+<span class="sourceLineNo">850</span>      if (lock.tryExclusiveLock(procedure)) {<a name="line.850"></a>
+<span class="sourceLineNo">851</span>        // We do not need to create a new queue so just pass null, as in tests we may pass<a name="line.851"></a>
+<span class="sourceLineNo">852</span>        // procedures other than ServerProcedureInterface<a name="line.852"></a>
+<span class="sourceLineNo">853</span>        removeFromRunQueue(serverRunQueue, getServerQueue(serverName, null));<a name="line.853"></a>
+<span class="sourceLineNo">854</span>        return false;<a name="line.854"></a>
+<span class="sourceLineNo">855</span>      }<a name="line.855"></a>
+<span class="sourceLineNo">856</span>      waitProcedure(lock, procedure);<a name="line.856"></a>
+<span class="sourceLineNo">857</span>      logLockedResource(LockedResourceType.SERVER, serverName.getServerName());<a name="line.857"></a>
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+<span class="sourceLineNo">859</span>    } finally {<a name="line.859"></a>
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+<span class="sourceLineNo">861</span>    }<a name="line.861"></a>
+<span class="sourceLineNo">862</span>  }<a name="line.862"></a>
+<span class="sourceLineNo">863</span><a name="line.863"></a>
+<span class="sourceLineNo">864</span>  /**<a name="line.864"></a>
+<span class="sourceLineNo">865</span>   * Wake the procedures waiting for the specified server<a name="line.865"></a>
+<span class="sourceLineNo">866</span>   * @see #waitServerExclusiveLock(Procedure,ServerName)<a name="line.866"></a>
+<span class="sourceLineNo">867</span>   * @param procedure the procedure releasing the lock<a name="line.867"></a>
+<span class="sourceLineNo">868</span>   * @param serverName the server that has the exclusive lock<a name="line.868"></a>
+<span class="sourceLineNo">869</span>   */<a name="line.869"></a>
+<span class="sourceLineNo">870</span>  public void wakeServerExclusiveLock(final Procedure&lt;?&gt; procedure, final ServerName serverName) {<a name="line.870"></a>
+<span class="sourceLineNo">871</span>    schedLock();<a name="line.871"></a>
+<span class="sourceLineNo">872</span>    try {<a name="line.872"></a>
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+<span class="sourceLineNo">874</span>      // Only SCP will acquire/release server lock so do not need to check the return value here.<a name="line.874"></a>
+<span class="sourceLineNo">875</span>      lock.releaseExclusiveLock(procedure);<a name="line.875"></a>
+<span class="sourceLineNo">876</span>      // We do not need to create a new queue so just pass null, as in tests we may pass procedures<a name="line.876"></a>
+<span class="sourceLineNo">877</span>      // other than ServerProcedureInterface<a name="line.877"></a>
+<span class="sourceLineNo">878</span>      addToRunQueue(serverRunQueue, getServerQueue(serverName, null));<a name="line.878"></a>
+<span class="sourceLineNo">879</span>      int waitingCount = wakeWaitingProcedures(lock);<a name="line.879"></a>
+<span class="sourceLineNo">880</span>      wakePollIfNeeded(waitingCount);<a name="line.880"></a>
+<span class="sourceLineNo">881</span>    } finally {<a name="line.881"></a>
+<span class="sourceLineNo">882</span>      schedUnlock();<a name="line.882"></a>
+<span class="sourceLineNo">883</span>    }<a name="line.883"></a>
+<span class="sourceLineNo">884</span>  }<a name="line.884"></a>
+<span class="sourceLineNo">885</span><a name="line.885"></a>
+<span class="sourceLineNo">886</span>  // ============================================================================<a name="line.886"></a>
+<span class="sourceLineNo">887</span>  //  Peer Locking Helpers<a name="line.887"></a>
+<span class="sourceLineNo">888</span>  // ============================================================================<a name="line.888"></a>
+<span class="sourceLineNo">889</span>  /**<a name="line.889"></a>
+<span class="sourceLineNo">890</span>   * Try to acquire the exclusive lock on the specified peer.<a name="line.890"></a>
+<span class="sourceLineNo">891</span>   * @see #wakePeerExclusiveLock(Procedure, String)<a name="line.891"></a>
+<span class="sourceLineNo">892</span>   * @param procedure the procedure trying to acquire the lock<a name="line.892"></a>
+<span class="sourceLineNo">893</span>   * @param peerId peer to lock<a name="line.893"></a>
+<span class="sourceLineNo">894</span>   * @return true if the procedure has to wait for the peer to be available<a name="line.894"></a>
+<span class="sourceLineNo">895</span>   */<a name="line.895"></a>
+<span class="sourceLineNo">896</span>  public boolean waitPeerExclusiveLock(Procedure&lt;?&gt; procedure, String peerId) {<a name="line.896"></a>
+<span class="sourceLineNo">897</span>    schedLock();<a name="line.897"></a>
+<span class="sourceLineNo">898</span>    try {<a name="line.898"></a>
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+<span class="sourceLineNo">900</span>      if (lock.tryExclusiveLock(procedure)) {<a name="line.900"></a>
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+<span class="sourceLineNo">903</span>      }<a name="line.903"></a>
+<span class="sourceLineNo">904</span>      waitProcedure(lock, procedure);<a name="line.904"></a>
+<span class="sourceLineNo">905</span>      logLockedResource(LockedResourceType.PEER, peerId);<a name="line.905"></a>
+<span class="sourceLineNo">906</span>      return true;<a name="line.906"></a>
+<span class="sourceLineNo">907</span>    } finally {<a name="line.907"></a>
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+<span class="sourceLineNo">909</span>    }<a name="line.909"></a>
+<span class="sourceLineNo">910</span>  }<a name="line.910"></a>
+<span class="sourceLineNo">911</span><a name="line.911"></a>
+<span class="sourceLineNo">912</span>  /**<a name="line.912"></a>
+<span class="sourceLineNo">913</span>   * Wake the procedures waiting for the specified peer<a name="line.913"></a>
+<span class="sourceLineNo">914</span>   * @see #waitPeerExclusiveLock(Procedure, String)<a name="line.914"></a>
+<span class="sourceLineNo">915</span>   * @param procedure the procedure releasing the lock<a name="line.915"></a>
+<span class="sourceLineNo">916</span>   * @param peerId the peer that has the exclusive lock<a name="line.916"></a>
+<span class="sourceLineNo">917</span>   */<a name="line.917"></a>
+<span class="sourceLineNo">918</span>  public void wakePeerExclusiveLock(Procedure&lt;?&gt; procedure, String peerId) {<a name="line.918"></a>
+<span class="sourceLineNo">919</span>    schedLock();<a name="line.919"></a>
+<span class="sourceLineNo">920</span>    try {<a name="line.920"></a>
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+<span class="sourceLineNo">922</span>      if (lock.releaseExclusiveLock(procedure)) {<a name="line.922"></a>
+<span class="sourceLineNo">923</span>        addToRunQueue(peerRunQueue, getPeerQueue(peerId));<a name="line.923"></a>
+<span class="sourceLineNo">924</span>        int waitingCount = wakeWaitingProcedures(lock);<a name="line.924"></a>
+<span class="sourceLineNo">925</span>        wakePollIfNeeded(waitingCount);<a name="line.925"></a>
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+<span class="sourceLineNo">927</span>    } finally {<a name="line.927"></a>
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+<span class="sourceLineNo">929</span>    }<a name="line.929"></a>
+<span class="sourceLineNo">930</span>  }<a name="line.930"></a>
+<span class="sourceLineNo">931</span><a name="line.931"></a>
+<span class="sourceLineNo">932</span>  // ============================================================================<a name="line.932"></a>
+<span class="sourceLineNo">933</span>  // Meta Locking Helpers<a name="line.933"></a>
+<span class="sourceLineNo">934</span>  // ============================================================================<a name="line.934"></a>
+<span class="sourceLineNo">935</span>  /**<a name="line.935"></a>
+<span class="sourceLineNo">936</span>   * Try to acquire the exclusive lock on meta.<a name="line.936"></a>
+<span class="sourceLineNo">937</span>   * @see #wakeMetaExclusiveLock(Procedure)<a name="line.937"></a>
+<span class="sourceLineNo">938</span>   * @param procedure the procedure trying to acquire the lock<a name="line.938"></a>
+<span class="sourceLineNo">939</span>   * @return true if the procedure has to wait for meta to be available<a name="line.939"></a>
+<span class="sourceLineNo">940</span>   * @deprecated only used for {@link RecoverMetaProcedure}. Should be removed along with<a name="line.940"></a>
+<span class="sourceLineNo">941</span>   *             {@link RecoverMetaProcedure}.<a name="line.941"></a>
+<span class="sourceLineNo">942</span>   */<a name="line.942"></a>
+<span class="sourceLineNo">943</span>  @Deprecated<a name="line.943"></a>
+<span class="sourceLineNo">944</span>  public boolean waitMetaExclusiveLock(Procedure&lt;?&gt; procedure) {<a name="line.944"></a>
+<span class="sourceLineNo">945</span>    schedLock();<a name="line.945"></a>
+<span class="sourceLineNo">946</span>    try {<a name="line.946"></a>
+<span class="sourceLineNo">947</span>      final LockAndQueue lock = locking.getMetaLock();<a name="line.947"></a>
+<span class="sourceLineNo">948</span>      if (lock.tryExclusiveLock(procedure)) {<a name="line.948"></a>
+<span class="sourceLineNo">949</span>        removeFromRunQueue(metaRunQueue, getMetaQueue());<a name="line.949"></a>
+<span class="sourceLineNo">950</span>        return false;<a name="line.950"></a>
+<span class="sourceLineNo">951</span>      }<a name="line.951"></a>
+<span class="sourceLineNo">952</span>      waitProcedure(lock, procedure);<a name="line.952"></a>
+<span class="sourceLineNo">953</span>      logLockedResource(LockedResourceType.META, TableName.META_TABLE_NAME.getNameAsString());<a name="line.953"></a>
+<span class="sourceLineNo">954</span>      return true;<a name="line.954"></a>
+<span class="sourceLineNo">955</span>    } finally {<a name="line.955"></a>
+<span class="sourceLineNo">956</span>      schedUnlock();<a name="line.956"></a>
+<span class="sourceLineNo">957</span>    }<a name="line.957"></a>
+<span class="sourceLineNo">958</span>  }<a name="line.958"></a>
+<span class="sourceLineNo">959</span><a name="line.959"></a>
+<span class="sourceLineNo">960</span>  /**<a name="line.960"></a>
+<span class="sourceLineNo">961</span>   * Wake the procedures waiting for meta.<a name="line.961"></a>
+<span class="sourceLineNo">962</span>   * @see #waitMetaExclusiveLock(Procedure)<a name="line.962"></a>
+<span class="sourceLineNo">963</span>   * @param procedure the procedure releasing the lock<a name="line.963"></a>
+<span class="sourceLineNo">964</span>   * @deprecated only used for {@link RecoverMetaProcedure}. Should be removed along with<a name="line.964"></a>
+<span class="sourceLineNo">965</span>   *             {@link RecoverMetaProcedure}.<a name="line.965"></a>
+<span class="sourceLineNo">966</span>   */<a name="line.966"></a>
+<span class="sourceLineNo">967</span>  @Deprecated<a name="line.967"></a>
+<span class="sourceLineNo">968</span>  public void wakeMetaExclusiveLock(Procedure&lt;?&gt; procedure) {<a name="line.968"></a>
+<span class="sourceLineNo">969</span>    schedLock();<a name="line.969"></a>
+<span class="sourceLineNo">970</span>    try {<a name="line.970"></a>
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+<span class="sourceLineNo">972</span>      lock.releaseExclusiveLock(procedure);<a name="line.972"></a>
+<span class="sourceLineNo">973</span>      addToRunQueue(metaRunQueue, getMetaQueue());<a name="line.973"></a>
+<span class="sourceLineNo">974</span>      int waitingCount = wakeWaitingProcedures(lock);<a name="line.974"></a>
+<span class="sourceLineNo">975</span>      wakePollIfNeeded(waitingCount);<a name="line.975"></a>
+<span class="sourceLineNo">976</span>    } finally {<a name="line.976"></a>
+<span class="sourceLineNo">977</span>      schedUnlock();<a name="line.977"></a>
+<span class="sourceLineNo">978</span>    }<a name="line.978"></a>
+<span class="sourceLineNo">979</span>  }<a name="line.979"></a>
+<span class="sourceLineNo">980</span><a name="line.980"></a>
+<span class="sourceLineNo">981</span>  /**<a name="line.981"></a>
+<span class="sourceLineNo">982</span>   * For debugging. Expensive.<a name="line.982"></a>
+<span class="sourceLineNo">983</span>   */<a name="line.983"></a>
+<span class="sourceLineNo">984</span>  @VisibleForTesting<a name="line.984"></a>
+<span class="sourceLineNo">985</span>  public String dumpLocks() throws IOException {<a name="line.985"></a>
+<span class="sourceLineNo">986</span>    schedLock();<a name="line.986"></a>
+<span class="sourceLineNo">987</span>    try {<a name="line.987"></a>
+<span class="sourceLineNo">988</span>      // TODO: Refactor so we stream out locks for case when millions; i.e. take a PrintWriter<a name="line.988"></a>
+<span class="sourceLineNo">989</span>      return this.locking.toString();<a name="line.989"></a>
+<span class="sourceLineNo">990</span>    } finally {<a name="line.990"></a>
+<span class="sourceLineNo">991</span>      schedUnlock();<a name="line.991"></a>
+<span class="sourceLineNo">992</span>    }<a name="line.992"></a>
+<span class="sourceLineNo">993</span>  }<a name="line.993"></a>
+<span class="sourceLineNo">994</span>}<a name="line.994"></a>