Sanil15 commented on a change in pull request #1281: SAMZA-2378: Container
Placements support for Standby containers enabled jobs
URL: https://github.com/apache/samza/pull/1281#discussion_r382741961
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File path:
samza-core/src/main/java/org/apache/samza/clustermanager/ContainerManager.java
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@@ -136,7 +135,22 @@ boolean handleContainerLaunch(SamzaResourceRequest
request, String preferredHost
LOG.info("Waiting for running container to shutdown due to existing
ContainerPlacement action {}", actionMetaData);
return false;
} else if (actionStatus ==
ContainerPlacementMetadata.ContainerStatus.STOPPED) {
- allocator.runStreamProcessor(request, preferredHost);
+ // If the job has standby containers enabled, always check standby
constraints before issuing a start on container
Review comment:
hasActiveContainerPlacementAction checks the metadata of the action to be
either in ACCEPTED or IN_PROGRESS, it not a check for the presence of metadata
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