Akira Ajisaka created AMBARI-22637:
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Summary: Fix misuses of os.path.dirname(path) in yarn.py
Key: AMBARI-22637
URL: https://issues.apache.org/jira/browse/AMBARI-22637
Project: Ambari
Issue Type: Sub-task
Components: ambari-server
Reporter: Akira Ajisaka
Assignee: Akira Ajisaka
As I written in AMBARI-22632, yarn.py wrongly sets 755 permission to
'/ats/done' and '/ats/active' by default. The default value of
yarn.timeline-service.entity-group-fs-store.done-dir is '/ats/done/' and the
default value of yarn.timeline-service.entity-group-fs-store.active-dir is
'/ats/active/'. Both of the default value have trailing '/'. Next yarn.py sets
700 permission to the directories, so finally the permissions become correct.
This issue causes redundant WebHDFS calls every time when launching ATS.
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