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Date: Wed, 6 Jul 2016 10:05:11 +0000 (UTC)
From: "Sylvain Lebresne (JIRA)" <jira@apache.org>
To: commits@cassandra.apache.org
Message-ID: <JIRA.12981341.1466514380000.35823.1467799511443@Atlassian.JIRA>
In-Reply-To: <JIRA.12981341.1466514380000@Atlassian.JIRA>
References: <JIRA.12981341.1466514380000@Atlassian.JIRA> <JIRA.12981341.1466514380948@arcas>
Subject: [jira] [Resolved] (CASSANDRA-12045)  Cassandra failure during write
 query at consistency LOCAL_QUORUM
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archived-at: Wed, 06 Jul 2016 10:05:18 -0000


     [ https://issues.apache.org/jira/browse/CASSANDRA-12045?page=3Dcom.atl=
assian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sylvain Lebresne resolved CASSANDRA-12045.
------------------------------------------
    Resolution: Not A Problem

As the error says, the values you are trying to insert are too big (they ca=
n't fit in a single commit log segment, which they have to). You can bump t=
he {{commitlog_segment_size_in_mb}} segment *on all nodes* if you wish, but=
 I wouldn't necessarilly advise it as Cassandra isn't optimized for storing=
 large values. The fact you store your xml file in a text column suggests t=
o me that you're not compressing it, and given the size of your xml, I'd pe=
rsonally definitively compress it (client side). Otherwise, the traditional=
 way to deal with large values is to manually chunk them.

Overall, there is no bug here and this is a user question, so I'm going to =
close this ticket and please reach out on the user mailing list (see bottom=
 of http://cassandra.apache.org/) if you need more info/help.


>  Cassandra failure during write query at consistency LOCAL_QUORUM=20
> ------------------------------------------------------------------
>
>                 Key: CASSANDRA-12045
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1204=
5
>             Project: Cassandra
>          Issue Type: Bug
>          Components: CQL, Local Write-Read Paths
>         Environment: Eclipse java environment
>            Reporter: Raghavendra Pinninti
>             Fix For: 3.x
>
>   Original Estimate: 12h
>  Remaining Estimate: 12h
>
> While I am writing xml file into Cassandra table column I am facing follo=
wing exception.Its a 3 node cluster and All nodes are up.
> com.datastax.driver.core.exceptions.WriteFailureException: Cassandra fail=
ure during write query at consistency LOCAL_QUORUM (2 responses were requir=
ed but only 0 replica responded, 1 failed) at com.datastax.driver.core.exce=
ptions.WriteFailureException.copy(WriteFailureException.java:80) at com.dat=
astax.driver.core.DriverThrowables.propagateCause(DriverThrowables.java:37)=
 at com.datastax.driver.core.DefaultResultSetFuture.getUninterruptibly(Defa=
ultResultSetFuture.java:245) at com.datastax.driver.core.AbstractSession.ex=
ecute(AbstractSession.java:55) at com.datastax.driver.core.AbstractSession.=
execute(AbstractSession.java:39) at DBConnection.oracle2Cassandra(DBConnect=
ion.java:267) at DBConnection.main(DBConnection.java:292) Caused by: com.da=
tastax.driver.core.exceptions.WriteFailureException: Cassandra failure duri=
ng write query at consistency LOCAL_QUORUM (2 responses were required but o=
nly 0 replica responded, 1 failed) at com.datastax.driver.core.exceptions.W=
riteFailureException.copy(WriteFailureException.java:91) at com.datastax.dr=
iver.core.Responses$Error.asException(Responses.java:119) at com.datastax.d=
river.core.DefaultResultSetFuture.onSet(DefaultResultSetFuture.java:180) at=
 com.datastax.driver.core.RequestHandler.setFinalResult(RequestHandler.java=
:186) at com.datastax.driver.core.RequestHandler.access$2300(RequestHandler=
.java:44) at com.datastax.driver.core.RequestHandler$SpeculativeExecution.s=
etFinalResult(RequestHandler.java:754) at com.datastax.driver.core.RequestH=
andler$SpeculativeExecution.onSet(RequestHandler.java:576)
> It would be great if someone helps me out from this situation. Thanks
> =20


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