Jian He created YARN-2354:
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Summary: DistributedShell may allocate more containers than client
specified after it restarts
Key: YARN-2354
URL: https://issues.apache.org/jira/browse/YARN-2354
Project: Hadoop YARN
Issue Type: Sub-task
Reporter: Jian He
To reproduce, run distributed shell with -num_containers option,
In ApplicationMaster.java, the following code has some issue.
{code}
int numTotalContainersToRequest =
numTotalContainers - previousAMRunningContainers.size();
for (int i = 0; i < numTotalContainersToRequest; ++i) {
ContainerRequest containerAsk = setupContainerAskForRM();
amRMClient.addContainerRequest(containerAsk);
}
numRequestedContainers.set(numTotalContainersToRequest);
{code}
numRequestedContainers doesn't account for previous AM's requested containers.
so numRequestedContainers should be set to numTotalContainers
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