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https://issues.apache.org/jira/browse/HDFS-5789?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Uma Maheswara Rao G updated HDFS-5789:
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Summary: Some of snapshot APIs missing checkOperation double check in fsn
(was: Some of snapshot, Cache APIs missing checkOperation double check in fsn)
> Some of snapshot APIs missing checkOperation double check in fsn
> ----------------------------------------------------------------
>
> Key: HDFS-5789
> URL: https://issues.apache.org/jira/browse/HDFS-5789
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 3.0.0
> Reporter: Uma Maheswara Rao G
> Assignee: Uma Maheswara Rao G
>
> HDFS-4591 introduced double checked for HA state while taking fsn lock.
> checkoperation made before actually taking lock and after the lock again.
> This pattern missed in some of the snapshot APIs and cache management related
> APIs.
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