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Posted to hdfs-dev@hadoop.apache.org by "Kihwal Lee (JIRA)" <ji...@apache.org> on 2015/12/09 20:04:11 UTC

[jira] [Created] (HDFS-9533) seen_txid in the shared edits directory is modified during bootstrapping

Kihwal Lee created HDFS-9533:
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             Summary: seen_txid in the shared edits directory is modified during bootstrapping
                 Key: HDFS-9533
                 URL: https://issues.apache.org/jira/browse/HDFS-9533
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: ha, namenode
    Affects Versions: 2.6.0
            Reporter: Kihwal Lee


The last known transaction id is stored in the seen_txid file of all known directories of a NNStorage when starting a new edit segment. However, we have seen a case where it contains an id that falls in the middle of an edit segment. This was the seen_txid file in the sahred edits directory.  The active namenode's local storage was containing valid looking seen_txid.



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