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https://issues.apache.org/jira/browse/LUCENE-2340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Renaud Delbru updated LUCENE-2340:
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Attachment: LUCENE-1458-FixedIntBlockIndexOutput.patch
A potential patch to the problem that I am using in my codec. The patch also
modifies and adapts SimpleIntBlockIndexOutput.
> FixedIntBlockIndexOutput encodes unnecessary integers at the end of a list
> --------------------------------------------------------------------------
>
> Key: LUCENE-2340
> URL: https://issues.apache.org/jira/browse/LUCENE-2340
> Project: Lucene - Java
> Issue Type: Bug
> Components: Index
> Affects Versions: Flex Branch
> Reporter: Renaud Delbru
> Priority: Minor
> Fix For: Flex Branch
>
> Attachments: LUCENE-1458-FixedIntBlockIndexOutput.patch
>
>
> At closing time, the current FixedIntBlockIndexOutput flushes blocks of
> blockSize even if there is only a few integers in the block.
> This can be problematic and causes a big overhead when using large blockSize
> (e.g., 1024), on small segments or on rare term posting list.
> One solution will be to have a secondary flushBlock method with an additional
> paramter: the valid length of a buffer. This method will be only called in
> the FixedIntBlockIndexOutput#close() method.
> The way this particular block of integers are encoded are left to subclasses.
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