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Posted to dev@bookkeeper.apache.org by Ivan Kelly <iv...@apache.org> on 2012/02/01 11:05:33 UTC

Re: Review Request: BOOKKEEPER-157 For small packets, increasing number of bookies actually degrades performance.

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https://reviews.apache.org/r/3696/
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(Updated 2012-02-01 10:05:33.642183)


Review request for bookkeeper.


Summary
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When benchmarking with packets smaller than 1k, performance will degrade when the ensemble contains more than 3 bookies. See attached diagram.


This addresses bug BOOKKEEPER-157.
    https://issues.apache.org/jira/browse/BOOKKEEPER-157


Diffs (updated)
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  bookkeeper-server/src/main/java/org/apache/bookkeeper/client/CRC32DigestManager.java fb7c8bc 
  bookkeeper-server/src/main/java/org/apache/bookkeeper/client/LedgerHandle.java 547e240 
  bookkeeper-server/src/main/java/org/apache/bookkeeper/client/MacDigestManager.java a3ed9f3 

Diff: https://reviews.apache.org/r/3696/diff


Testing
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Thanks,

Ivan