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From "Benedict (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8778) Adler32 Digests for Compressed SSTables are Incorrect
Date Thu, 19 Feb 2015 09:57:12 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14327181#comment-14327181
] 

Benedict commented on CASSANDRA-8778:
-------------------------------------

Please remember to mark patch available, else it doesn't appear in my workflow :)

> Adler32 Digests for Compressed SSTables are Incorrect
> -----------------------------------------------------
>
>                 Key: CASSANDRA-8778
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8778
>             Project: Cassandra
>          Issue Type: Bug
>            Reporter: Jeff Jirsa
>            Priority: Trivial
>         Attachments: cassandra-8778.patch
>
>
> ChecksumWriter append() calculates the checksum of a buffer, then also writes that checksum
as an int into the provided DataOutput. The final call to writeFullChecksum will have the
checksum of all of the buffers, but none of the intermediate int checksums.
> This issue was discovered (and a fix proposed) in #5791 - if the patch for #5791 is not
accepted, some fix for src/java/org/apache/cassandra/io/util/DataIntegrityMetadata.java should
be applied. 



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