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T Jake Luciani commented on CASSANDRA-5038:
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I've tried using the JNI hooks (built manually) and I don't see any difference
in latency compared to misc.Unsafe.
The current version as submitted is good.
I did want to post a side by side comparison to java snappy but haven't had a
chance.
> LZ4Compressor
> -------------
>
> Key: CASSANDRA-5038
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5038
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: T Jake Luciani
> Priority: Minor
> Fix For: 1.2.2
>
> Attachments: CASSANDRA-5038.patch, CASSANDRA-5038.patch,
> LZ4Compressor.java, lz4-java.jar
>
>
> LZ4 is a new compression algo that's ~2x faster than Snappy.
> [~jpountz] has written a nice java port which includes a misc.Unsafe version
> that performs >= than our java snappy version.
> Details at http://blog.jpountz.net/post/28092106032/wow-lz4-is-fast
> The nice thing is this should work with java7 and be more portable.
> We can also fallback the pure java impl
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