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From "Brandon Williams (JIRA)" <>
Subject [jira] Updated: (CASSANDRA-1482) batch_mutate silently failing
Date Wed, 15 Sep 2010 16:48:33 GMT


Brandon Williams updated CASSANDRA-1482:

    Attachment: 0001_consistency_level_option_for_stress.txt

I switched the tests Jonathan named to QUORUM and none of them failed for me.  I backported
the consistency level option in trunk's (patch attached) and did a few million inserts
and reads at QUORUM without a problem, so I'm not sure where to go from here.

> batch_mutate silently failing
> -----------------------------
>                 Key: CASSANDRA-1482
>                 URL:
>             Project: Cassandra
>          Issue Type: Bug
>          Components: API, Core
>    Affects Versions: 0.6.5
>         Environment: Single node cluster running Ubuntu Lucid using CSharp Thrift
>            Reporter: Lucas Nodine
>            Assignee: Brandon Williams
>            Priority: Minor
>             Fix For: 0.6.6
>         Attachments: 0001_consistency_level_option_for_stress.txt
> Priority: Minor - I rated this as minor as a workaround is present in that the ConsistencyLevel
can be set to ONE.
> I have my replication factor set to 1 (default) as I only have 1 node in the cluster.
> While attempting to use Cassandra 0.6.5 with the thrift interface I believe I have found
an issue with batch_mutate.  I attempted to execute a batch_mutate using a ConsistencyLevel
of QUORUM.  The log (when configured for debug level output) shows that the insert happened
and when I run a get, the debug log shows that it is gathering those columns but no value
is ever returned.  Then if I change the ConsistencyLevel to ONE the get is successful.
> I am not very familiar with Cassandra yet, but this is an unexpected behavior as far
as I am concerned.  I would at least expect an error message.  If additional details are needed,
please let me know.

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