[jira] [Created] (CASSANDRA-10995) Consider disabling sstable compression by default in 3.x

["Aleksey Yeschenko (JIRA)" <ji...@apache.org>]

Aleksey Yeschenko created CASSANDRA-10995:
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             Summary: Consider disabling sstable compression by default in 3.x
                 Key: CASSANDRA-10995
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10995
             Project: Cassandra
          Issue Type: Improvement
            Reporter: Aleksey Yeschenko


With the new sstable format introduced in CASSANDRA-8099, it's very likely that enabled sstable compression is no longer the right default option.

[~slebresne]'s [blog post|http://www.datastax.com/2015/12/storage-engine-30] on the new storage engine has some comparison numbers for 2.2/3.0, with and without compression that show that in many cases compression no longer has a significant effect on sstable sizes - all while sill consuming extra resources for both writes (compression) and reads (decompression).

We should run a comprehensive set of benchmarks to determine whether or not compression should be switched to 'off' now in 3.x.



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