Sanil15 commented on a change in pull request #1227: SAMZA-2404: [SEP-22]
Container Placement Handler for dispatching container placement messages
between metastore and JobCoordinator
URL: https://github.com/apache/samza/pull/1227#discussion_r366491035
##########
File path:
samza-core/src/main/java/org/apache/samza/clustermanager/ClusterBasedJobCoordinator.java
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@@ -316,6 +345,19 @@ private void onShutDown() {
}
}
+ private void shutDownContainerPlacementHandlerAndUtils() {
+ // Shutdown container placement handler
+ containerPlacementHandler.stop();
+ try {
+ containerPlacementHandlerThread.join();
+ LOG.info("Stopped container placement handler thread");
+ containerPlacementUtil.stop();
+ } catch (InterruptedException ie) {
+ LOG.error("Container Placement handler thread join threw an interrupted
exception", ie);
Review comment:
`containerPlacementUtil.stop()` issues a
NamespaceAwareCoordinatorStreamStore#stop which is a no-op since Metadata
store lifecycle is managed outside NamespaceAwareCoordinatorStreamStore so this
should never throw
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