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https://issues.apache.org/jira/browse/LUCENE-1591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12698227#action_12698227
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Shai Erera commented on LUCENE-1591:
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bq. But, implement close() to actually close the stream?
Already did, I had to because otherwise the bzip file wasn't sealed properly
(that's why I started the other thread about tracking task resources). It
already exists in the attached patch.
I'm finishing a run with the updated code (wrapping w/ BOS), so once that
finishes, I'll post an updated patch and some numbers.
> Enable bzip compression in benchmark
> ------------------------------------
>
> Key: LUCENE-1591
> URL: https://issues.apache.org/jira/browse/LUCENE-1591
> Project: Lucene - Java
> Issue Type: Improvement
> Components: contrib/benchmark
> Reporter: Shai Erera
> Fix For: 2.9
>
> Attachments: ant-1.7.1.jar, LUCENE-1591.patch
>
>
> bzip compression can aid the benchmark package by not requiring extracting
> bzip files (such as enwiki) in order to index them. The plan is to add a
> config parameter bzip.compression=true/false and in the relevant tasks either
> decompress the input file or compress the output file using the bzip streams.
> It will add a dependency on ant.jar which contains two classes similar to
> GZIPOutputStream and GZIPInputStream which compress/decompress files using
> the bzip algorithm.
> bzip is known to be superior in its compression performance to the gzip
> algorithm (~20% better compression), although it does the
> compression/decompression a bit slower.
> I wil post a patch which adds this parameter and implement it in
> LineDocMaker, EnwikiDocMaker and WriteLineDoc task. Maybe even add the
> capability to DocMaker or some of the super classes, so it can be inherited
> by all sub-classes.
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