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Posted to commits@cassandra.apache.org by "T Jake Luciani (JIRA)" <ji...@apache.org> on 2013/08/08 21:53:48 UTC
[jira] [Updated] (CASSANDRA-5862) Switch to adler checksum for
sstables
[ https://issues.apache.org/jira/browse/CASSANDRA-5862?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
T Jake Luciani updated CASSANDRA-5862:
--------------------------------------
Attachment: 5862.txt
Patch attached, I switched to adler32 and changed checksumming to be on the compressed value. Going to run some benchmarks now.
> Switch to adler checksum for sstables
> -------------------------------------
>
> Key: CASSANDRA-5862
> URL: https://issues.apache.org/jira/browse/CASSANDRA-5862
> Project: Cassandra
> Issue Type: Improvement
> Components: Core
> Reporter: Jonathan Ellis
> Assignee: T Jake Luciani
> Fix For: 2.0.1
>
> Attachments: 5862.txt
>
>
> Adler is significantly faster than CRC32: http://java-performance.info/java-crc32-and-adler32/
> (Adler is weaker for short inputs, so we should leave the commitlog alone, as it checksums each mutation individually.)
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