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Posted to dev@bookkeeper.apache.org by "Sijie Guo (JIRA)" <ji...@apache.org> on 2013/12/31 08:58:50 UTC

[jira] [Created] (BOOKKEEPER-715) bookie: delay dropping journal cached pages

Sijie Guo created BOOKKEEPER-715:
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             Summary: bookie: delay dropping journal cached pages
                 Key: BOOKKEEPER-715
                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-715
             Project: Bookkeeper
          Issue Type: Sub-task
          Components: bookkeeper-server
            Reporter: Sijie Guo
            Assignee: Sijie Guo
             Fix For: 4.3.0


As journal writes aren't aligned to sector size, if bookie drops cached pages immediately, journal has to read those pages again, which would impact journal write performance.



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