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Posted to hdfs-dev@hadoop.apache.org by "Zhe Zhang (JIRA)" <ji...@apache.org> on 2015/05/27 01:13:17 UTC

[jira] [Created] (HDFS-8480) Fixing performance and timeout issues in HDFS-7929: use hard-links instead of copying edit logs

Zhe Zhang created HDFS-8480:
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             Summary: Fixing performance and timeout issues in HDFS-7929: use hard-links instead of copying edit logs
                 Key: HDFS-8480
                 URL: https://issues.apache.org/jira/browse/HDFS-8480
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Zhe Zhang
            Assignee: Zhe Zhang


HDFS-7929 copies existing edit logs to the storage directory of the upgraded {{NameNode}}. This slows down the upgrade process. This JIRA aims to use hard-linking instead of per-op copying to achieve the same goal.



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