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https://issues.apache.org/jira/browse/LUCENE-2662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12916872#action_12916872
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Michael McCandless commented on LUCENE-2662:
--------------------------------------------

I indexed 10M 1KB wikipedia docs, single threaded, and also see things a bit 
faster w/ the patch (10,353 docs/sec vs 10,182 docs/sec).  Nice to have a 
refactor improve performance for a change, heh.

The avgUsedMem was quite a bit higher (1.5GB vs 1.0GB), but, I'm not sure this 
stat is trustworthy.... I'll re-run w/ infoStream enabled to see if anything 
looks suspicious (eg, we are somehow not tracking bytes used correctly).

Still, the resulting indices had identical structure (ie we seem to flush at 
exactly the same points), so I think bytes used is properly tracked.

> 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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