Karthik Kambatla created YARN-1193:
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Summary: ResourceManger.clusterTimeStamp should be reset when RM
transitions to active
Key: YARN-1193
URL: https://issues.apache.org/jira/browse/YARN-1193
Project: Hadoop YARN
Issue Type: Sub-task
Components: resourcemanager
Reporter: Karthik Kambatla
Assignee: Karthik Kambatla
ResourceManager.clusterTimeStamp is used to generate application-ids.
Currently, when the RM transitions to active-standby-active back and forth, the
clusterTimeStamp stays the same leading to apps getting the same ids as jobs
from before. This leads to other races in staging directory etc.
To avoid this, it is better to set it on every transition to Active.
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