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https://issues.apache.org/jira/browse/BOOKKEEPER-157?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13196190#comment-13196190
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jirapos...@reviews.apache.org commented on BOOKKEEPER-157:
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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/3696/
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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
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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


                
> For small packets, increasing number of bookies actually degrades performance.
> ------------------------------------------------------------------------------
>
>                 Key: BOOKKEEPER-157
>                 URL: https://issues.apache.org/jira/browse/BOOKKEEPER-157
>             Project: Bookkeeper
>          Issue Type: Bug
>            Reporter: Ivan Kelly
>            Assignee: Ivan Kelly
>             Fix For: 4.1.0
>
>         Attachments: BOOKKEEPER-157.diff, run1.pdf
>
>
> When benchmarking with packets smaller than 1k, performance will degrade when 
> the ensemble contains more than 3 bookies. See attached diagram.

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