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From "Aleksey Yeschenko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-7695) Inserting the same row in parallel causes bad data to be returned to the client
Date Mon, 11 Aug 2014 22:06:14 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-7695?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14093407#comment-14093407
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Aleksey Yeschenko commented on CASSANDRA-7695:
----------------------------------------------

bq. I am the Netty guy.

Lol. Yes, I know now. Norman's looking into it. FWIW the issue is hard to repro on non-OSX,
so it might be that.

> Inserting the same row in parallel causes bad data to be returned to the client
> -------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-7695
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7695
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: Linux 3.12.21, JVM 1.7u60
> Cassandra server 2.1.0 RC 5
> Cassandra datastax client version 2.1.0RC1
>            Reporter: Johan Bjork
>            Assignee: T Jake Luciani
>            Priority: Blocker
>              Labels: qa-resolved
>             Fix For: 2.1.0
>
>         Attachments: 7695-workaround.txt, PutFailureRepro.java, bad-data-tid43-get, bad-data-tid43-put
>
>
> Running the attached test program against a cassandra 2.1 server results in scrambled
data returned by the SELECT statement. Running it against latest stable works fine.
> Attached:
> * Program that reproduces the failure
> * Example output files from mentioned test-program with the scrambled output.
> Failure mode:
> The value returned by 'get' is scrambled, the size is correct but some bytes have shifted
locations in the returned buffer.
> Cluster info:
> For the test we set up a single cassandra node using the stock configuration file.



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