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Posted to commits@hbase.apache.org by gi...@apache.org on 2017/12/01 15:18:34 UTC
[19/50] hbase-site git commit: Published site at .
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/a5c4dca3/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminServer.html
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminServer.html b/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminServer.html
index ec01907..d9aea0b 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminServer.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminServer.html
@@ -591,58 +591,110 @@
<span class="sourceLineNo">583</span> + servers + " , Tables : " + tables + " => " + targetGroup);<a name="line.583"></a>
<span class="sourceLineNo">584</span> }<a name="line.584"></a>
<span class="sourceLineNo">585</span><a name="line.585"></a>
-<span class="sourceLineNo">586</span> private Map<String, RegionState> rsGroupGetRegionsInTransition(String groupName)<a name="line.586"></a>
-<span class="sourceLineNo">587</span> throws IOException {<a name="line.587"></a>
-<span class="sourceLineNo">588</span> Map<String, RegionState> rit = Maps.newTreeMap();<a name="line.588"></a>
-<span class="sourceLineNo">589</span> AssignmentManager am = master.getAssignmentManager();<a name="line.589"></a>
-<span class="sourceLineNo">590</span> for(TableName tableName : getRSGroupInfo(groupName).getTables()) {<a name="line.590"></a>
-<span class="sourceLineNo">591</span> for(RegionInfo regionInfo: am.getRegionStates().getRegionsOfTable(tableName)) {<a name="line.591"></a>
-<span class="sourceLineNo">592</span> RegionState state = am.getRegionStates().getRegionTransitionState(regionInfo);<a name="line.592"></a>
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-<span class="sourceLineNo">594</span> rit.put(regionInfo.getEncodedName(), state);<a name="line.594"></a>
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-<span class="sourceLineNo">596</span> }<a name="line.596"></a>
-<span class="sourceLineNo">597</span> }<a name="line.597"></a>
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-<span class="sourceLineNo">600</span><a name="line.600"></a>
-<span class="sourceLineNo">601</span> private Map<TableName, Map<ServerName, List<RegionInfo>>><a name="line.601"></a>
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-<span class="sourceLineNo">603</span> Map<TableName, Map<ServerName, List<RegionInfo>>> result = Maps.newHashMap();<a name="line.603"></a>
-<span class="sourceLineNo">604</span> RSGroupInfo rsGroupInfo = getRSGroupInfo(groupName);<a name="line.604"></a>
-<span class="sourceLineNo">605</span> Map<TableName, Map<ServerName, List<RegionInfo>>> assignments = Maps.newHashMap();<a name="line.605"></a>
-<span class="sourceLineNo">606</span> for(Map.Entry<RegionInfo, ServerName> entry:<a name="line.606"></a>
-<span class="sourceLineNo">607</span> master.getAssignmentManager().getRegionStates().getRegionAssignments().entrySet()) {<a name="line.607"></a>
-<span class="sourceLineNo">608</span> TableName currTable = entry.getKey().getTable();<a name="line.608"></a>
-<span class="sourceLineNo">609</span> ServerName currServer = entry.getValue();<a name="line.609"></a>
-<span class="sourceLineNo">610</span> RegionInfo currRegion = entry.getKey();<a name="line.610"></a>
-<span class="sourceLineNo">611</span> if (rsGroupInfo.getTables().contains(currTable)) {<a name="line.611"></a>
-<span class="sourceLineNo">612</span> assignments.putIfAbsent(currTable, new HashMap<>());<a name="line.612"></a>
-<span class="sourceLineNo">613</span> assignments.get(currTable).putIfAbsent(currServer, new ArrayList<>());<a name="line.613"></a>
-<span class="sourceLineNo">614</span> assignments.get(currTable).get(currServer).add(currRegion);<a name="line.614"></a>
-<span class="sourceLineNo">615</span> }<a name="line.615"></a>
-<span class="sourceLineNo">616</span> }<a name="line.616"></a>
-<span class="sourceLineNo">617</span><a name="line.617"></a>
-<span class="sourceLineNo">618</span> Map<ServerName, List<RegionInfo>> serverMap = Maps.newHashMap();<a name="line.618"></a>
-<span class="sourceLineNo">619</span> for(ServerName serverName: master.getServerManager().getOnlineServers().keySet()) {<a name="line.619"></a>
-<span class="sourceLineNo">620</span> if(rsGroupInfo.getServers().contains(serverName.getAddress())) {<a name="line.620"></a>
-<span class="sourceLineNo">621</span> serverMap.put(serverName, Collections.emptyList());<a name="line.621"></a>
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-<span class="sourceLineNo">623</span> }<a name="line.623"></a>
-<span class="sourceLineNo">624</span><a name="line.624"></a>
-<span class="sourceLineNo">625</span> // add all tables that are members of the group<a name="line.625"></a>
-<span class="sourceLineNo">626</span> for(TableName tableName : rsGroupInfo.getTables()) {<a name="line.626"></a>
-<span class="sourceLineNo">627</span> if(assignments.containsKey(tableName)) {<a name="line.627"></a>
-<span class="sourceLineNo">628</span> result.put(tableName, new HashMap<>());<a name="line.628"></a>
-<span class="sourceLineNo">629</span> result.get(tableName).putAll(serverMap);<a name="line.629"></a>
-<span class="sourceLineNo">630</span> result.get(tableName).putAll(assignments.get(tableName));<a name="line.630"></a>
-<span class="sourceLineNo">631</span> LOG.debug("Adding assignments for " + tableName + ": " + assignments.get(tableName));<a name="line.631"></a>
-<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><a name="line.634"></a>
-<span class="sourceLineNo">635</span> return result;<a name="line.635"></a>
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-<span class="sourceLineNo">637</span>}<a name="line.637"></a>
+<span class="sourceLineNo">586</span> @Override<a name="line.586"></a>
+<span class="sourceLineNo">587</span> public void removeServers(Set<Address> servers) throws IOException {<a name="line.587"></a>
+<span class="sourceLineNo">588</span> {<a name="line.588"></a>
+<span class="sourceLineNo">589</span> if (servers == null || servers.isEmpty()) {<a name="line.589"></a>
+<span class="sourceLineNo">590</span> throw new ConstraintException("The set of servers to remove cannot be null or empty.");<a name="line.590"></a>
+<span class="sourceLineNo">591</span> }<a name="line.591"></a>
+<span class="sourceLineNo">592</span> // Hold a lock on the manager instance while moving servers to prevent<a name="line.592"></a>
+<span class="sourceLineNo">593</span> // another writer changing our state while we are working.<a name="line.593"></a>
+<span class="sourceLineNo">594</span> synchronized (rsGroupInfoManager) {<a name="line.594"></a>
+<span class="sourceLineNo">595</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.595"></a>
+<span class="sourceLineNo">596</span> master.getMasterCoprocessorHost().preRemoveServers(servers);<a name="line.596"></a>
+<span class="sourceLineNo">597</span> }<a name="line.597"></a>
+<span class="sourceLineNo">598</span> //check the set of servers<a name="line.598"></a>
+<span class="sourceLineNo">599</span> checkForDeadOrOnlineServers(servers);<a name="line.599"></a>
+<span class="sourceLineNo">600</span> rsGroupInfoManager.removeServers(servers);<a name="line.600"></a>
+<span class="sourceLineNo">601</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.601"></a>
+<span class="sourceLineNo">602</span> master.getMasterCoprocessorHost().postRemoveServers(servers);<a name="line.602"></a>
+<span class="sourceLineNo">603</span> }<a name="line.603"></a>
+<span class="sourceLineNo">604</span> LOG.info("Remove decommissioned servers " + servers + " from rsgroup done.");<a name="line.604"></a>
+<span class="sourceLineNo">605</span> }<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> private Map<String, RegionState> rsGroupGetRegionsInTransition(String groupName)<a name="line.609"></a>
+<span class="sourceLineNo">610</span> throws IOException {<a name="line.610"></a>
+<span class="sourceLineNo">611</span> Map<String, RegionState> rit = Maps.newTreeMap();<a name="line.611"></a>
+<span class="sourceLineNo">612</span> AssignmentManager am = master.getAssignmentManager();<a name="line.612"></a>
+<span class="sourceLineNo">613</span> for(TableName tableName : getRSGroupInfo(groupName).getTables()) {<a name="line.613"></a>
+<span class="sourceLineNo">614</span> for(RegionInfo regionInfo: am.getRegionStates().getRegionsOfTable(tableName)) {<a name="line.614"></a>
+<span class="sourceLineNo">615</span> RegionState state = am.getRegionStates().getRegionTransitionState(regionInfo);<a name="line.615"></a>
+<span class="sourceLineNo">616</span> if(state != null) {<a name="line.616"></a>
+<span class="sourceLineNo">617</span> rit.put(regionInfo.getEncodedName(), state);<a name="line.617"></a>
+<span class="sourceLineNo">618</span> }<a name="line.618"></a>
+<span class="sourceLineNo">619</span> }<a name="line.619"></a>
+<span class="sourceLineNo">620</span> }<a name="line.620"></a>
+<span class="sourceLineNo">621</span> return rit;<a name="line.621"></a>
+<span class="sourceLineNo">622</span> }<a name="line.622"></a>
+<span class="sourceLineNo">623</span><a name="line.623"></a>
+<span class="sourceLineNo">624</span> private Map<TableName, Map<ServerName, List<RegionInfo>>><a name="line.624"></a>
+<span class="sourceLineNo">625</span> getRSGroupAssignmentsByTable(String groupName) throws IOException {<a name="line.625"></a>
+<span class="sourceLineNo">626</span> Map<TableName, Map<ServerName, List<RegionInfo>>> result = Maps.newHashMap();<a name="line.626"></a>
+<span class="sourceLineNo">627</span> RSGroupInfo rsGroupInfo = getRSGroupInfo(groupName);<a name="line.627"></a>
+<span class="sourceLineNo">628</span> Map<TableName, Map<ServerName, List<RegionInfo>>> assignments = Maps.newHashMap();<a name="line.628"></a>
+<span class="sourceLineNo">629</span> for(Map.Entry<RegionInfo, ServerName> entry:<a name="line.629"></a>
+<span class="sourceLineNo">630</span> master.getAssignmentManager().getRegionStates().getRegionAssignments().entrySet()) {<a name="line.630"></a>
+<span class="sourceLineNo">631</span> TableName currTable = entry.getKey().getTable();<a name="line.631"></a>
+<span class="sourceLineNo">632</span> ServerName currServer = entry.getValue();<a name="line.632"></a>
+<span class="sourceLineNo">633</span> RegionInfo currRegion = entry.getKey();<a name="line.633"></a>
+<span class="sourceLineNo">634</span> if (rsGroupInfo.getTables().contains(currTable)) {<a name="line.634"></a>
+<span class="sourceLineNo">635</span> assignments.putIfAbsent(currTable, new HashMap<>());<a name="line.635"></a>
+<span class="sourceLineNo">636</span> assignments.get(currTable).putIfAbsent(currServer, new ArrayList<>());<a name="line.636"></a>
+<span class="sourceLineNo">637</span> assignments.get(currTable).get(currServer).add(currRegion);<a name="line.637"></a>
+<span class="sourceLineNo">638</span> }<a name="line.638"></a>
+<span class="sourceLineNo">639</span> }<a name="line.639"></a>
+<span class="sourceLineNo">640</span><a name="line.640"></a>
+<span class="sourceLineNo">641</span> Map<ServerName, List<RegionInfo>> serverMap = Maps.newHashMap();<a name="line.641"></a>
+<span class="sourceLineNo">642</span> for(ServerName serverName: master.getServerManager().getOnlineServers().keySet()) {<a name="line.642"></a>
+<span class="sourceLineNo">643</span> if(rsGroupInfo.getServers().contains(serverName.getAddress())) {<a name="line.643"></a>
+<span class="sourceLineNo">644</span> serverMap.put(serverName, Collections.emptyList());<a name="line.644"></a>
+<span class="sourceLineNo">645</span> }<a name="line.645"></a>
+<span class="sourceLineNo">646</span> }<a name="line.646"></a>
+<span class="sourceLineNo">647</span><a name="line.647"></a>
+<span class="sourceLineNo">648</span> // add all tables that are members of the group<a name="line.648"></a>
+<span class="sourceLineNo">649</span> for(TableName tableName : rsGroupInfo.getTables()) {<a name="line.649"></a>
+<span class="sourceLineNo">650</span> if(assignments.containsKey(tableName)) {<a name="line.650"></a>
+<span class="sourceLineNo">651</span> result.put(tableName, new HashMap<>());<a name="line.651"></a>
+<span class="sourceLineNo">652</span> result.get(tableName).putAll(serverMap);<a name="line.652"></a>
+<span class="sourceLineNo">653</span> result.get(tableName).putAll(assignments.get(tableName));<a name="line.653"></a>
+<span class="sourceLineNo">654</span> LOG.debug("Adding assignments for " + tableName + ": " + assignments.get(tableName));<a name="line.654"></a>
+<span class="sourceLineNo">655</span> }<a name="line.655"></a>
+<span class="sourceLineNo">656</span> }<a name="line.656"></a>
+<span class="sourceLineNo">657</span><a name="line.657"></a>
+<span class="sourceLineNo">658</span> return result;<a name="line.658"></a>
+<span class="sourceLineNo">659</span> }<a name="line.659"></a>
+<span class="sourceLineNo">660</span><a name="line.660"></a>
+<span class="sourceLineNo">661</span> /**<a name="line.661"></a>
+<span class="sourceLineNo">662</span> * Check if the set of servers are belong to dead servers list or online servers list.<a name="line.662"></a>
+<span class="sourceLineNo">663</span> * @param servers servers to remove<a name="line.663"></a>
+<span class="sourceLineNo">664</span> */<a name="line.664"></a>
+<span class="sourceLineNo">665</span> private void checkForDeadOrOnlineServers(Set<Address> servers) throws ConstraintException {<a name="line.665"></a>
+<span class="sourceLineNo">666</span> // This uglyness is because we only have Address, not ServerName.<a name="line.666"></a>
+<span class="sourceLineNo">667</span> Set<Address> onlineServers = new HashSet<>();<a name="line.667"></a>
+<span class="sourceLineNo">668</span> for(ServerName server: master.getServerManager().getOnlineServers().keySet()) {<a name="line.668"></a>
+<span class="sourceLineNo">669</span> onlineServers.add(server.getAddress());<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> Set<Address> deadServers = new HashSet<>();<a name="line.672"></a>
+<span class="sourceLineNo">673</span> for(ServerName server: master.getServerManager().getDeadServers().copyServerNames()) {<a name="line.673"></a>
+<span class="sourceLineNo">674</span> deadServers.add(server.getAddress());<a name="line.674"></a>
+<span class="sourceLineNo">675</span> }<a name="line.675"></a>
+<span class="sourceLineNo">676</span><a name="line.676"></a>
+<span class="sourceLineNo">677</span> for (Address address: servers) {<a name="line.677"></a>
+<span class="sourceLineNo">678</span> if (onlineServers.contains(address)) {<a name="line.678"></a>
+<span class="sourceLineNo">679</span> throw new ConstraintException(<a name="line.679"></a>
+<span class="sourceLineNo">680</span> "Server " + address + " is an online server, not allowed to remove.");<a name="line.680"></a>
+<span class="sourceLineNo">681</span> }<a name="line.681"></a>
+<span class="sourceLineNo">682</span> if (deadServers.contains(address)) {<a name="line.682"></a>
+<span class="sourceLineNo">683</span> throw new ConstraintException(<a name="line.683"></a>
+<span class="sourceLineNo">684</span> "Server " + address + " is on the dead servers list,"<a name="line.684"></a>
+<span class="sourceLineNo">685</span> + " Maybe it will come back again, not allowed to remove.");<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>
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/a5c4dca3/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupInfoManager.html
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diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupInfoManager.html b/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupInfoManager.html
index a5f6a1a..8f39ade 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupInfoManager.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupInfoManager.html
@@ -125,7 +125,13 @@
<span class="sourceLineNo">117</span> */<a name="line.117"></a>
<span class="sourceLineNo">118</span> void moveServersAndTables(Set<Address> servers, Set<TableName> tables,<a name="line.118"></a>
<span class="sourceLineNo">119</span> String srcGroup, String dstGroup) throws IOException;<a name="line.119"></a>
-<span class="sourceLineNo">120</span>}<a name="line.120"></a>
+<span class="sourceLineNo">120</span><a name="line.120"></a>
+<span class="sourceLineNo">121</span> /**<a name="line.121"></a>
+<span class="sourceLineNo">122</span> * Remove decommissioned servers from rsgroup<a name="line.122"></a>
+<span class="sourceLineNo">123</span> * @param servers set of servers to remove<a name="line.123"></a>
+<span class="sourceLineNo">124</span> */<a name="line.124"></a>
+<span class="sourceLineNo">125</span> void removeServers(Set<Address> servers) throws IOException;<a name="line.125"></a>
+<span class="sourceLineNo">126</span>}<a name="line.126"></a>