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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/07/27 14:51:49 UTC
[16/28] hbase-site git commit: Published site at
7178a98258dbb28496c2c4f3fbbf8e552ead8bdb.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/9cc58aff/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerState.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerState.html b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerState.html
index c8158b5..be1231a 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerState.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/master/assignment/RegionStates.ServerState.html
@@ -651,512 +651,518 @@
<span class="sourceLineNo">643</span> */<a name="line.643"></a>
<span class="sourceLineNo">644</span> public HRegionLocation checkReopened(HRegionLocation oldLoc) {<a name="line.644"></a>
<span class="sourceLineNo">645</span> RegionStateNode node = getRegionStateNode(oldLoc.getRegion());<a name="line.645"></a>
-<span class="sourceLineNo">646</span> synchronized (node) {<a name="line.646"></a>
-<span class="sourceLineNo">647</span> if (oldLoc.getSeqNum() >= 0) {<a name="line.647"></a>
-<span class="sourceLineNo">648</span> // in OPEN state before<a name="line.648"></a>
-<span class="sourceLineNo">649</span> if (node.isInState(State.OPEN)) {<a name="line.649"></a>
-<span class="sourceLineNo">650</span> if (node.getOpenSeqNum() > oldLoc.getSeqNum()) {<a name="line.650"></a>
-<span class="sourceLineNo">651</span> // normal case, the region has been reopened<a name="line.651"></a>
-<span class="sourceLineNo">652</span> return null;<a name="line.652"></a>
-<span class="sourceLineNo">653</span> } else {<a name="line.653"></a>
-<span class="sourceLineNo">654</span> // the open seq num does not change, need to reopen again<a name="line.654"></a>
-<span class="sourceLineNo">655</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(),<a name="line.655"></a>
-<span class="sourceLineNo">656</span> node.getOpenSeqNum());<a name="line.656"></a>
-<span class="sourceLineNo">657</span> }<a name="line.657"></a>
-<span class="sourceLineNo">658</span> } else {<a name="line.658"></a>
-<span class="sourceLineNo">659</span> // the state has been changed so we can make sure that the region has been reopened(not<a name="line.659"></a>
-<span class="sourceLineNo">660</span> // finished maybe, but not a problem).<a name="line.660"></a>
-<span class="sourceLineNo">661</span> return null;<a name="line.661"></a>
-<span class="sourceLineNo">662</span> }<a name="line.662"></a>
-<span class="sourceLineNo">663</span> } else {<a name="line.663"></a>
-<span class="sourceLineNo">664</span> // in OPENING state before<a name="line.664"></a>
-<span class="sourceLineNo">665</span> if (!node.isInState(State.OPEN, State.OPENING)) {<a name="line.665"></a>
-<span class="sourceLineNo">666</span> // not in OPEN or OPENING state, then we can make sure that the region has been<a name="line.666"></a>
-<span class="sourceLineNo">667</span> // reopened(not finished maybe, but not a problem)<a name="line.667"></a>
-<span class="sourceLineNo">668</span> return null;<a name="line.668"></a>
-<span class="sourceLineNo">669</span> } else {<a name="line.669"></a>
-<span class="sourceLineNo">670</span> if (!node.getRegionLocation().equals(oldLoc.getServerName())) {<a name="line.670"></a>
-<span class="sourceLineNo">671</span> // the region has been moved, so we can make sure that the region has been reopened.<a name="line.671"></a>
-<span class="sourceLineNo">672</span> return null;<a name="line.672"></a>
-<span class="sourceLineNo">673</span> }<a name="line.673"></a>
-<span class="sourceLineNo">674</span> // normal case, we are still in OPENING state, or the reopen has been opened and the state<a name="line.674"></a>
-<span class="sourceLineNo">675</span> // is changed to OPEN.<a name="line.675"></a>
-<span class="sourceLineNo">676</span> long openSeqNum = node.isInState(State.OPEN) ? node.getOpenSeqNum() : -1;<a name="line.676"></a>
-<span class="sourceLineNo">677</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(), openSeqNum);<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> }<a name="line.680"></a>
-<span class="sourceLineNo">681</span> }<a name="line.681"></a>
-<span class="sourceLineNo">682</span><a name="line.682"></a>
-<span class="sourceLineNo">683</span> /**<a name="line.683"></a>
-<span class="sourceLineNo">684</span> * @return Return online regions of table; does not include OFFLINE or SPLITTING regions.<a name="line.684"></a>
-<span class="sourceLineNo">685</span> */<a name="line.685"></a>
-<span class="sourceLineNo">686</span> public List<RegionInfo> getRegionsOfTable(TableName table, boolean offline) {<a name="line.686"></a>
-<span class="sourceLineNo">687</span> return getRegionsOfTable(table, state -> include(state, offline));<a name="line.687"></a>
-<span class="sourceLineNo">688</span> }<a name="line.688"></a>
-<span class="sourceLineNo">689</span><a name="line.689"></a>
-<span class="sourceLineNo">690</span> /**<a name="line.690"></a>
-<span class="sourceLineNo">691</span> * @return Return the regions of the table; does not include OFFLINE unless you set<a name="line.691"></a>
-<span class="sourceLineNo">692</span> * <code>offline</code> to true. Does not include regions that are in the<a name="line.692"></a>
-<span class="sourceLineNo">693</span> * {@link State#SPLIT} state.<a name="line.693"></a>
-<span class="sourceLineNo">694</span> */<a name="line.694"></a>
-<span class="sourceLineNo">695</span> private List<RegionInfo> getRegionsOfTable(TableName table, Predicate<RegionStateNode> filter) {<a name="line.695"></a>
-<span class="sourceLineNo">696</span> return getTableRegionStateNodes(table).stream().filter(filter).map(n -> n.getRegionInfo())<a name="line.696"></a>
-<span class="sourceLineNo">697</span> .collect(Collectors.toList());<a name="line.697"></a>
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-<span class="sourceLineNo">699</span><a name="line.699"></a>
-<span class="sourceLineNo">700</span> /**<a name="line.700"></a>
-<span class="sourceLineNo">701</span> * Utility. Whether to include region in list of regions. Default is to<a name="line.701"></a>
-<span class="sourceLineNo">702</span> * weed out split and offline regions.<a name="line.702"></a>
-<span class="sourceLineNo">703</span> * @return True if we should include the <code>node</code> (do not include<a name="line.703"></a>
-<span class="sourceLineNo">704</span> * if split or offline unless <code>offline</code> is set to true.<a name="line.704"></a>
-<span class="sourceLineNo">705</span> */<a name="line.705"></a>
-<span class="sourceLineNo">706</span> boolean include(final RegionStateNode node, final boolean offline) {<a name="line.706"></a>
-<span class="sourceLineNo">707</span> if (LOG.isTraceEnabled()) {<a name="line.707"></a>
-<span class="sourceLineNo">708</span> LOG.trace("WORKING ON " + node + " " + node.getRegionInfo());<a name="line.708"></a>
-<span class="sourceLineNo">709</span> }<a name="line.709"></a>
-<span class="sourceLineNo">710</span> if (node.isInState(State.SPLIT)) return false;<a name="line.710"></a>
-<span class="sourceLineNo">711</span> if (node.isInState(State.OFFLINE) && !offline) return false;<a name="line.711"></a>
-<span class="sourceLineNo">712</span> final RegionInfo hri = node.getRegionInfo();<a name="line.712"></a>
-<span class="sourceLineNo">713</span> return (!hri.isOffline() && !hri.isSplit()) ||<a name="line.713"></a>
-<span class="sourceLineNo">714</span> ((hri.isOffline() || hri.isSplit()) && offline);<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>
-<span class="sourceLineNo">717</span> /**<a name="line.717"></a>
-<span class="sourceLineNo">718</span> * Returns the set of regions hosted by the specified server<a name="line.718"></a>
-<span class="sourceLineNo">719</span> * @param serverName the server we are interested in<a name="line.719"></a>
-<span class="sourceLineNo">720</span> * @return set of RegionInfo hosted by the specified server<a name="line.720"></a>
-<span class="sourceLineNo">721</span> */<a name="line.721"></a>
-<span class="sourceLineNo">722</span> public List<RegionInfo> getServerRegionInfoSet(final ServerName serverName) {<a name="line.722"></a>
-<span class="sourceLineNo">723</span> final ServerStateNode serverInfo = getServerNode(serverName);<a name="line.723"></a>
-<span class="sourceLineNo">724</span> if (serverInfo == null) return Collections.emptyList();<a name="line.724"></a>
-<span class="sourceLineNo">725</span><a name="line.725"></a>
-<span class="sourceLineNo">726</span> synchronized (serverInfo) {<a name="line.726"></a>
-<span class="sourceLineNo">727</span> return serverInfo.getRegionInfoList();<a name="line.727"></a>
-<span class="sourceLineNo">728</span> }<a name="line.728"></a>
-<span class="sourceLineNo">729</span> }<a name="line.729"></a>
-<span class="sourceLineNo">730</span><a name="line.730"></a>
-<span class="sourceLineNo">731</span> // ============================================================================================<a name="line.731"></a>
-<span class="sourceLineNo">732</span> // Split helpers<a name="line.732"></a>
-<span class="sourceLineNo">733</span> // These methods will only be called in ServerCrashProcedure, and at the end of SCP we will remove<a name="line.733"></a>
-<span class="sourceLineNo">734</span> // the ServerStateNode by calling removeServer.<a name="line.734"></a>
-<span class="sourceLineNo">735</span> // ============================================================================================<a name="line.735"></a>
+<span class="sourceLineNo">646</span> // HBASE-20921<a name="line.646"></a>
+<span class="sourceLineNo">647</span> // if the oldLoc's state node does not exist, that means the region is<a name="line.647"></a>
+<span class="sourceLineNo">648</span> // merged or split, no need to check it<a name="line.648"></a>
+<span class="sourceLineNo">649</span> if (node == null) {<a name="line.649"></a>
+<span class="sourceLineNo">650</span> return null;<a name="line.650"></a>
+<span class="sourceLineNo">651</span> }<a name="line.651"></a>
+<span class="sourceLineNo">652</span> synchronized (node) {<a name="line.652"></a>
+<span class="sourceLineNo">653</span> if (oldLoc.getSeqNum() >= 0) {<a name="line.653"></a>
+<span class="sourceLineNo">654</span> // in OPEN state before<a name="line.654"></a>
+<span class="sourceLineNo">655</span> if (node.isInState(State.OPEN)) {<a name="line.655"></a>
+<span class="sourceLineNo">656</span> if (node.getOpenSeqNum() > oldLoc.getSeqNum()) {<a name="line.656"></a>
+<span class="sourceLineNo">657</span> // normal case, the region has been reopened<a name="line.657"></a>
+<span class="sourceLineNo">658</span> return null;<a name="line.658"></a>
+<span class="sourceLineNo">659</span> } else {<a name="line.659"></a>
+<span class="sourceLineNo">660</span> // the open seq num does not change, need to reopen again<a name="line.660"></a>
+<span class="sourceLineNo">661</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(),<a name="line.661"></a>
+<span class="sourceLineNo">662</span> node.getOpenSeqNum());<a name="line.662"></a>
+<span class="sourceLineNo">663</span> }<a name="line.663"></a>
+<span class="sourceLineNo">664</span> } else {<a name="line.664"></a>
+<span class="sourceLineNo">665</span> // the state has been changed so we can make sure that the region has been reopened(not<a name="line.665"></a>
+<span class="sourceLineNo">666</span> // finished maybe, but not a problem).<a name="line.666"></a>
+<span class="sourceLineNo">667</span> return null;<a name="line.667"></a>
+<span class="sourceLineNo">668</span> }<a name="line.668"></a>
+<span class="sourceLineNo">669</span> } else {<a name="line.669"></a>
+<span class="sourceLineNo">670</span> // in OPENING state before<a name="line.670"></a>
+<span class="sourceLineNo">671</span> if (!node.isInState(State.OPEN, State.OPENING)) {<a name="line.671"></a>
+<span class="sourceLineNo">672</span> // not in OPEN or OPENING state, then we can make sure that the region has been<a name="line.672"></a>
+<span class="sourceLineNo">673</span> // reopened(not finished maybe, but not a problem)<a name="line.673"></a>
+<span class="sourceLineNo">674</span> return null;<a name="line.674"></a>
+<span class="sourceLineNo">675</span> } else {<a name="line.675"></a>
+<span class="sourceLineNo">676</span> if (!node.getRegionLocation().equals(oldLoc.getServerName())) {<a name="line.676"></a>
+<span class="sourceLineNo">677</span> // the region has been moved, so we can make sure that the region has been reopened.<a name="line.677"></a>
+<span class="sourceLineNo">678</span> return null;<a name="line.678"></a>
+<span class="sourceLineNo">679</span> }<a name="line.679"></a>
+<span class="sourceLineNo">680</span> // normal case, we are still in OPENING state, or the reopen has been opened and the state<a name="line.680"></a>
+<span class="sourceLineNo">681</span> // is changed to OPEN.<a name="line.681"></a>
+<span class="sourceLineNo">682</span> long openSeqNum = node.isInState(State.OPEN) ? node.getOpenSeqNum() : -1;<a name="line.682"></a>
+<span class="sourceLineNo">683</span> return new HRegionLocation(node.getRegionInfo(), node.getRegionLocation(), openSeqNum);<a name="line.683"></a>
+<span class="sourceLineNo">684</span> }<a name="line.684"></a>
+<span class="sourceLineNo">685</span> }<a name="line.685"></a>
+<span class="sourceLineNo">686</span> }<a name="line.686"></a>
+<span class="sourceLineNo">687</span> }<a name="line.687"></a>
+<span class="sourceLineNo">688</span><a name="line.688"></a>
+<span class="sourceLineNo">689</span> /**<a name="line.689"></a>
+<span class="sourceLineNo">690</span> * @return Return online regions of table; does not include OFFLINE or SPLITTING regions.<a name="line.690"></a>
+<span class="sourceLineNo">691</span> */<a name="line.691"></a>
+<span class="sourceLineNo">692</span> public List<RegionInfo> getRegionsOfTable(TableName table, boolean offline) {<a name="line.692"></a>
+<span class="sourceLineNo">693</span> return getRegionsOfTable(table, state -> include(state, offline));<a name="line.693"></a>
+<span class="sourceLineNo">694</span> }<a name="line.694"></a>
+<span class="sourceLineNo">695</span><a name="line.695"></a>
+<span class="sourceLineNo">696</span> /**<a name="line.696"></a>
+<span class="sourceLineNo">697</span> * @return Return the regions of the table; does not include OFFLINE unless you set<a name="line.697"></a>
+<span class="sourceLineNo">698</span> * <code>offline</code> to true. Does not include regions that are in the<a name="line.698"></a>
+<span class="sourceLineNo">699</span> * {@link State#SPLIT} state.<a name="line.699"></a>
+<span class="sourceLineNo">700</span> */<a name="line.700"></a>
+<span class="sourceLineNo">701</span> private List<RegionInfo> getRegionsOfTable(TableName table, Predicate<RegionStateNode> filter) {<a name="line.701"></a>
+<span class="sourceLineNo">702</span> return getTableRegionStateNodes(table).stream().filter(filter).map(n -> n.getRegionInfo())<a name="line.702"></a>
+<span class="sourceLineNo">703</span> .collect(Collectors.toList());<a name="line.703"></a>
+<span class="sourceLineNo">704</span> }<a name="line.704"></a>
+<span class="sourceLineNo">705</span><a name="line.705"></a>
+<span class="sourceLineNo">706</span> /**<a name="line.706"></a>
+<span class="sourceLineNo">707</span> * Utility. Whether to include region in list of regions. Default is to<a name="line.707"></a>
+<span class="sourceLineNo">708</span> * weed out split and offline regions.<a name="line.708"></a>
+<span class="sourceLineNo">709</span> * @return True if we should include the <code>node</code> (do not include<a name="line.709"></a>
+<span class="sourceLineNo">710</span> * if split or offline unless <code>offline</code> is set to true.<a name="line.710"></a>
+<span class="sourceLineNo">711</span> */<a name="line.711"></a>
+<span class="sourceLineNo">712</span> boolean include(final RegionStateNode node, final boolean offline) {<a name="line.712"></a>
+<span class="sourceLineNo">713</span> if (LOG.isTraceEnabled()) {<a name="line.713"></a>
+<span class="sourceLineNo">714</span> LOG.trace("WORKING ON " + node + " " + node.getRegionInfo());<a name="line.714"></a>
+<span class="sourceLineNo">715</span> }<a name="line.715"></a>
+<span class="sourceLineNo">716</span> if (node.isInState(State.SPLIT)) return false;<a name="line.716"></a>
+<span class="sourceLineNo">717</span> if (node.isInState(State.OFFLINE) && !offline) return false;<a name="line.717"></a>
+<span class="sourceLineNo">718</span> final RegionInfo hri = node.getRegionInfo();<a name="line.718"></a>
+<span class="sourceLineNo">719</span> return (!hri.isOffline() && !hri.isSplit()) ||<a name="line.719"></a>
+<span class="sourceLineNo">720</span> ((hri.isOffline() || hri.isSplit()) && offline);<a name="line.720"></a>
+<span class="sourceLineNo">721</span> }<a name="line.721"></a>
+<span class="sourceLineNo">722</span><a name="line.722"></a>
+<span class="sourceLineNo">723</span> /**<a name="line.723"></a>
+<span class="sourceLineNo">724</span> * Returns the set of regions hosted by the specified server<a name="line.724"></a>
+<span class="sourceLineNo">725</span> * @param serverName the server we are interested in<a name="line.725"></a>
+<span class="sourceLineNo">726</span> * @return set of RegionInfo hosted by the specified server<a name="line.726"></a>
+<span class="sourceLineNo">727</span> */<a name="line.727"></a>
+<span class="sourceLineNo">728</span> public List<RegionInfo> getServerRegionInfoSet(final ServerName serverName) {<a name="line.728"></a>
+<span class="sourceLineNo">729</span> final ServerStateNode serverInfo = getServerNode(serverName);<a name="line.729"></a>
+<span class="sourceLineNo">730</span> if (serverInfo == null) return Collections.emptyList();<a name="line.730"></a>
+<span class="sourceLineNo">731</span><a name="line.731"></a>
+<span class="sourceLineNo">732</span> synchronized (serverInfo) {<a name="line.732"></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><a name="line.736"></a>
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-<span class="sourceLineNo">779</span> regionNode.setState(state);<a name="line.779"></a>
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