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https://issues.apache.org/jira/browse/CASSANDRA-8778?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14327345#comment-14327345
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Benedict commented on CASSANDRA-8778:
-------------------------------------

This patch doesn't apply cleanly to 2.0 - looks like there's some associated 
renaming missing from the diff. Could you also ensure you're producing the 
patch by a simple "git diff"? There's some extraneous noise in the file as well.

> 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
>            Assignee: 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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