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From "Ryan McGuire (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-8479) Timeout Exception on Node Failure in Remote Data Center
Date Mon, 29 Dec 2014 15:14:13 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-8479?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14260149#comment-14260149
] 

Ryan McGuire commented on CASSANDRA-8479:
-----------------------------------------

I was using the datastax python driver (cql). I'll be sure to try it over thrift once I can
see the trace.

> Timeout Exception on Node Failure in Remote Data Center
> -------------------------------------------------------
>
>                 Key: CASSANDRA-8479
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-8479
>             Project: Cassandra
>          Issue Type: Bug
>          Components: API, Core, Tools
>         Environment: Unix, Cassandra 2.0.11
>            Reporter: Amit Singh Chowdhery
>            Assignee: Ryan McGuire
>            Priority: Minor
>
> Issue Faced :
> We have a Geo-red setup with 2 Data centers having 3 nodes each. When we bring down a
single Cassandra node down in DC2 by kill -9 <Cassandra-pid>, reads fail on DC1 with
TimedOutException for a brief amount of time (15-20 sec~).
> Reference :
> Already a ticket has been opened/resolved and link is provided below :
> https://issues.apache.org/jira/browse/CASSANDRA-8352
> Activity Done as per Resolution Provided :
> Upgraded to Cassandra 2.0.11 .
> We have two 3 node clusters in two different DCs and if one or more of the nodes go down
in one Data Center , ~5-10% traffic failure is observed on the other.
> CL: LOCAL_QUORUM
> RF=3



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