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https://issues.apache.org/jira/browse/LUCENE-2662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12916965#action_12916965
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Michael McCandless commented on LUCENE-2662:
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I also ran a test w/ 5 threads -- they are close (22,402 docs/sec for patch,
22,868 docs/sec for trunk), and this time avgUsedMem is closer (811 MB for
trunk, 965 MB for patch).
I don't think the avgUsedMem is that meaningful -- it takes the max of
Runtime.totalMemory() - Runtime.freeMemory() (which includes garbage I think),
after each completed task, and then averages across all tasks. In my case I
think it's averaging 1 measure per thread, so it's really sort of measuring how
much garbage there happened to be at the time.
> BytesHash
> ---------
>
> Key: LUCENE-2662
> URL: https://issues.apache.org/jira/browse/LUCENE-2662
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Affects Versions: Realtime Branch, 4.0
> Reporter: Jason Rutherglen
> Assignee: Simon Willnauer
> Priority: Minor
> Fix For: Realtime Branch, 4.0
>
> Attachments: LUCENE-2662.patch, LUCENE-2662.patch, LUCENE-2662.patch,
> LUCENE-2662.patch, LUCENE-2662.patch
>
>
> This issue will have the BytesHash separated out from LUCENE-2186
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