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Posted to hdfs-dev@hadoop.apache.org by "Uma Maheswara Rao G (JIRA)" <ji...@apache.org> on 2014/01/16 20:29:21 UTC

[jira] [Created] (HDFS-5789) Some of snapshot, Cache APIs missing checkOperation double check in fsn

Uma Maheswara Rao G created HDFS-5789:
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             Summary: Some of snapshot, Cache 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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