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From "Jonathan Ellis (Issue Comment Edited) (JIRA)" <j...@apache.org>
Subject [jira] [Issue Comment Edited] (CASSANDRA-3611) Make checksum on a compressed blocks optional
Date Sun, 11 Dec 2011 22:02:40 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-3611?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13167215#comment-13167215
] 

Jonathan Ellis edited comment on CASSANDRA-3611 at 12/11/11 10:02 PM:
----------------------------------------------------------------------

My gut reaction is there's got to be some kind of Doing It Wrong if checksum-on-uncompress
isn't virtually free.  (Related: CASSANDRA-3610.)
                
      was (Author: jbellis):
    My gut reaction is there's got to be some kind of Doing It Wrong if checksum-on-uncompress
isn't virtually free.  (Related: CASSANDRA-3160.)
                  
> Make checksum on a compressed blocks optional
> ---------------------------------------------
>
>                 Key: CASSANDRA-3611
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-3611
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>    Affects Versions: 1.1
>            Reporter: Vijay
>            Assignee: Vijay
>            Priority: Minor
>             Fix For: 1.1
>
>
> 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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