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https://issues.apache.org/jira/browse/LUCENE-1591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12698223#action_12698223
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Michael McCandless commented on LUCENE-1591:
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bq. I'm almost sure its a typo, but just to verify - did download the 20090306
(enwiki-20090306-pages-articles.xml.bz2), or 2008036?
Sorry I meant 20090306.
bq. I did a short test, reading 2000 records from the 20070527 file, before and
after the change:
Excellent!
bq. Another thing I noticed is that WriteLineDocTask calls flush() after every
document it writes. Any reason to do it?
Hmm that should not be needed; I'd say remove it? But, implement close() to
actually close the stream?
> 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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