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https://issues.apache.org/jira/browse/CASSANDRA-47?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13065311#comment-13065311
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Jonathan Ellis commented on CASSANDRA-47:
-----------------------------------------
bq. index section added at the end of the file to hold chunk sizes
We used to do this with the index entries, but keeping that in memory until
you're done can cause a lot of memory pressure. I like the suggestion of
moving index entry to (key, compresed-chunk-offset,
uncompressed-offset-within-chunk) better.
> SSTable compression
> -------------------
>
> Key: CASSANDRA-47
> URL: https://issues.apache.org/jira/browse/CASSANDRA-47
> Project: Cassandra
> Issue Type: New Feature
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: Pavel Yaskevich
> Labels: compression
> Fix For: 1.0
>
> Attachments: CASSANDRA-47-v2.patch, CASSANDRA-47.patch,
> snappy-java-1.0.3-rc4.jar
>
>
> We should be able to do SSTable compression which would trade CPU for I/O
> (almost always a good trade).
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