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https://issues.apache.org/jira/browse/LUCENE-4323?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alexey Lef updated LUCENE-4323:
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Attachment: LUCENE-4323.patch
Sorry about that. I had eclipse do some auto-formatting on save, so the patch
included more than it should have. Updated patch is attached (no tabs).
> Add max cfs segment size to LogMergePolicy and TieredMergePolicy
> ----------------------------------------------------------------
>
> Key: LUCENE-4323
> URL: https://issues.apache.org/jira/browse/LUCENE-4323
> Project: Lucene - Core
> Issue Type: Improvement
> Components: core/index
> Affects Versions: 4.0-BETA
> Reporter: Alexey Lef
> Priority: Minor
> Attachments: LUCENE-4323.patch
>
>
> Our application is managing thousands of indexes ranging from a few KB to a
> few GB in size. To keep the number of files under control and at the same
> time avoid the overhead of compound file format for large segments, we would
> like to keep only small segments as CFS. The meaning of "small" here is in
> absolute byte size terms, not as a percentage of the overall index. It is ok
> and in fact desirable to have the entire index as CFS as long as it is below
> the threshold.
> The attached patch adds a new configuration option maxCFSSegmentSize which
> sets the absolute limit on the compound file segment size, in addition to the
> existing noCFSRatio, i.e. the lesser of the two will be used. The default is
> to allow any size (Long.MAX_VALUE) so that the default behavior is exactly as
> it was before.
> The patch is for the trunk as of Aug 23, 2012.
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