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From "Pavel Yaskevich (Updated) (JIRA)" <>
Subject [jira] [Updated] (CASSANDRA-3611) Make checksum on a compressed blocks optional
Date Wed, 28 Dec 2011 15:26:30 GMT


Pavel Yaskevich updated CASSANDRA-3611:

    Attachment: CASSANDRA-3611-v4.patch

here is v4 which fixes bug in the validate(), bug was "when there are no chunkLength supplied
validate method would just return without checking validating other parameters" . I will commit
it when svn -> git transition is complete.
> Make checksum on a compressed blocks optional
> ---------------------------------------------
>                 Key: CASSANDRA-3611
>                 URL:
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.1
>            Reporter: Vijay
>            Assignee: Vijay
>            Priority: Minor
>              Labels: compression
>             Fix For: 1.1
>         Attachments: 0001-crc-check-chance-v2.patch, 0001-crc-check-chance-v3.patch,
0001-crc-check-chance.patch, CASSANDRA-3611-v4.patch
> Currently every uncompressed block is run against checksum algo, there is cpu overhead
in doing same... We might want to make it configurable/optional for some use cases which might
not require checksum all the time.

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