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HDDS-4408: Datanode State Machine Thread should keep alive during the whole lifetime of Datanode #1533

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Merged
ChenSammi merged 1 commit into from
Nov 13, 2020
Merged

HDDS-4408: Datanode State Machine Thread should keep alive during the whole lifetime of Datanode #1533

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6 changes: 6 additions & 0 deletions ...main/java/org/apache/hadoop/ozone/container/common/statemachine/DatanodeStateMachine.java
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Original file line number Diff line number Diff line change
Expand Up @@ -55,6 +55,7 @@

import com.google.common.annotations.VisibleForTesting;
import com.google.common.util.concurrent.ThreadFactoryBuilder;
import org.apache.ratis.util.ExitUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

Expand Down Expand Up @@ -410,6 +411,11 @@ public void startDaemon() {
stateMachineThread = new ThreadFactoryBuilder()
.setDaemon(true)
.setNameFormat("Datanode State Machine Thread - %d")
.setUncaughtExceptionHandler((Thread t, Throwable ex) -> {
String message = "Terminate Datanode, encounter uncaught exception"
+ " in Datanode State Machine Thread";
ExitUtils.terminate(1, message, ex, LOG);
})
.build().newThread(startStateMachineTask);
stateMachineThread.start();
}
Expand Down