[Discovery] Made 'discovery.zen.rejoin_on_master_gone' setting updatable at runtime.

This commit is contained in:
Martijn van Groningen 2014-06-11 20:48:35 +02:00 committed by Boaz Leskes
parent 424a2f68c6
commit 1849d0966c
1 changed files with 10 additions and 2 deletions

View File

@ -76,6 +76,8 @@ import static org.elasticsearch.common.unit.TimeValue.timeValueSeconds;
*/ */
public class ZenDiscovery extends AbstractLifecycleComponent<Discovery> implements Discovery, DiscoveryNodesProvider { public class ZenDiscovery extends AbstractLifecycleComponent<Discovery> implements Discovery, DiscoveryNodesProvider {
private final static String REJOIN_ON_MASTER_GONE = "discovery.zen.rejoin_on_master_gone";
public static final String DISCOVERY_REJOIN_ACTION_NAME = "internal:discovery/zen/rejoin"; public static final String DISCOVERY_REJOIN_ACTION_NAME = "internal:discovery/zen/rejoin";
private final ThreadPool threadPool; private final ThreadPool threadPool;
@ -117,7 +119,7 @@ public class ZenDiscovery extends AbstractLifecycleComponent<Discovery> implemen
private final AtomicBoolean initialStateSent = new AtomicBoolean(); private final AtomicBoolean initialStateSent = new AtomicBoolean();
private final boolean rejoinOnMasterGone; private volatile boolean rejoinOnMasterGone;
@Nullable @Nullable
@ -144,7 +146,7 @@ public class ZenDiscovery extends AbstractLifecycleComponent<Discovery> implemen
this.masterElectionFilterClientNodes = settings.getAsBoolean("discovery.zen.master_election.filter_client", true); this.masterElectionFilterClientNodes = settings.getAsBoolean("discovery.zen.master_election.filter_client", true);
this.masterElectionFilterDataNodes = settings.getAsBoolean("discovery.zen.master_election.filter_data", false); this.masterElectionFilterDataNodes = settings.getAsBoolean("discovery.zen.master_election.filter_data", false);
this.rejoinOnMasterGone = settings.getAsBoolean("discovery.zen.rejoin_on_master_gone", true); this.rejoinOnMasterGone = settings.getAsBoolean(REJOIN_ON_MASTER_GONE, true);
logger.debug("using ping.timeout [{}], join.timeout [{}], master_election.filter_client [{}], master_election.filter_data [{}]", pingTimeout, joinTimeout, masterElectionFilterClientNodes, masterElectionFilterDataNodes); logger.debug("using ping.timeout [{}], join.timeout [{}], master_election.filter_client [{}], master_election.filter_data [{}]", pingTimeout, joinTimeout, masterElectionFilterClientNodes, masterElectionFilterDataNodes);
@ -1015,6 +1017,12 @@ public class ZenDiscovery extends AbstractLifecycleComponent<Discovery> implemen
ZenDiscovery.this.electMaster.minimumMasterNodes(), minimumMasterNodes); ZenDiscovery.this.electMaster.minimumMasterNodes(), minimumMasterNodes);
handleMinimumMasterNodesChanged(minimumMasterNodes); handleMinimumMasterNodesChanged(minimumMasterNodes);
} }
boolean rejoinOnMasterGone = settings.getAsBoolean(REJOIN_ON_MASTER_GONE, ZenDiscovery.this.rejoinOnMasterGone);
if (rejoinOnMasterGone != ZenDiscovery.this.rejoinOnMasterGone) {
logger.info("updating {} from [{}] to [{}]", REJOIN_ON_MASTER_GONE, ZenDiscovery.this.rejoinOnMasterGone, rejoinOnMasterGone);
ZenDiscovery.this.rejoinOnMasterGone = rejoinOnMasterGone;
}
} }
} }
} }