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better safeguard for concurrent restart requests

This commit is contained in:
kimchy 2010-05-14 10:28:18 +03:00
parent b49864299d
commit 10754b0873
1 changed files with 4 additions and 4 deletions
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8
modules/elasticsearch/src/main/java/org/elasticsearch/action/admin/cluster/node/restart/TransportNodesRestartAction.java
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@ -38,6 +38,7 @@ import org.elasticsearch.util.settings.Settings;
import java.io.IOException;
import java.util.List;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.atomic.AtomicReferenceArray;
import static org.elasticsearch.util.TimeValue.*;
@ -52,7 +53,7 @@ public class TransportNodesRestartAction extends TransportNodesOperationAction<N
private final boolean disabled;
private volatile boolean restartRequested = false;
private AtomicBoolean restartRequested = new AtomicBoolean();
@Inject public TransportNodesRestartAction(Settings settings, ClusterName clusterName, ThreadPool threadPool,
ClusterService clusterService, TransportService transportService,
@ -101,10 +102,9 @@ public class TransportNodesRestartAction extends TransportNodesOperationAction<N
if (disabled) {
throw new ElasticSearchIllegalStateException("Restart is disabled");
}
if (restartRequested) {
if (!restartRequested.compareAndSet(false, true)) {
return new NodesRestartResponse.NodeRestartResponse(clusterService.state().nodes().localNode());
}
restartRequested = true;
logger.info("Restarting in [{}]", request.delay);
threadPool.schedule(new Runnable() {
@Override public void run() {
@ -127,7 +127,7 @@ public class TransportNodesRestartAction extends TransportNodesOperationAction<N
} catch (Exception e) {
logger.warn("Failed to restart", e);
} finally {
restartRequested = false;
restartRequested.set(false);
}
}
}