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Posted to dev@bookkeeper.apache.org by "Sijie Guo (JIRA)" <ji...@apache.org> on 2013/02/09 05:53:13 UTC

[jira] [Created] (BOOKKEEPER-564) Better checkpoint mechanism

Sijie Guo created BOOKKEEPER-564:
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             Summary: Better checkpoint mechanism
                 Key: BOOKKEEPER-564
                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-564
             Project: Bookkeeper
          Issue Type: Improvement
          Components: bookkeeper-server
            Reporter: Sijie Guo
            Assignee: Sijie Guo
             Fix For: 4.3.0


Currently, SyncThread made a checkpoint too frequently, which affects performance. data is writing to entry logger file might be blocked by syncing same entry logger file, which affect bookie to achieve higher throughput. We could schedule checkpoint only when rotating an entry log file. so new incoming entries would be written to newer entry log file and old entry log file could be synced.

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