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From "Rob Emery (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-10041) "timeout during write query at consistency ONE" when updating counter at consistency QUORUM and 2 of 3 nodes alive
Date Wed, 06 Apr 2016 08:31:25 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-10041?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15227941#comment-15227941
] 

Rob Emery commented on CASSANDRA-10041:
---------------------------------------

We believe that we are experiencing this issue also; we have raised the issue with DataStax
at the moment because we believed it may be a driver issue; however if this is reproducable
in other places it's possible that it's actually an issue within Cassandra. We are running
on Cassanadra 2.0.17

The issue we raised: https://datastax-oss.atlassian.net/browse/CSHARP-438

{code}
{
    "ConsistencyLevel": 1,
    "Message": "Cassandra timeout during write query at consistency ONE (0 replica(s) acknowledged
the write over 1 required)",
    "RequiredAcknowledgements": 1,
    "ReceivedAcknowledgements": 0,
    "WriteType": "COUNTER"
}
{code}

> "timeout during write query at consistency ONE" when updating counter at consistency
QUORUM and 2 of 3 nodes alive
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-10041
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10041
>             Project: Cassandra
>          Issue Type: Bug
>         Environment: centos 6.6 server, java version "1.8.0_45", cassandra 2.1.8, 3 machines,
keyspace with replication factor 3
>            Reporter: Anton Lebedevich
>            Assignee: Sylvestor George
>             Fix For: 2.1.x
>
>
> Test scenario is: kill -9 one node, wait 60 seconds, start it back, wait till it becomes
available, wait 120 seconds (during that time all 3 nodes are up), repeat with the next node.
Application reads from one table and updates counters in another table with consistency QUORUM.
When one node out of 3 is killed application logs this exception for several seconds:
> {noformat}
> Caused by: com.datastax.driver.core.exceptions.WriteTimeoutException: Cassandra timeout
during write query at consistency ONE (1 replica were required but only 0 acknowledged the
write)
>         at com.datastax.driver.core.Responses$Error$1.decode(Responses.java:57) ~[com.datastax.cassandra.cassandra-driver-core-2.1.6.jar:na]
>         at com.datastax.driver.core.Responses$Error$1.decode(Responses.java:37) ~[com.datastax.cassandra.cassandra-driver-core-2.1.6.jar:na]
>         at com.datastax.driver.core.Message$ProtocolDecoder.decode(Message.java:204)
~[com.datastax.cassandra.cassandra-driver-core-2.1.6.jar:na]
>         at com.datastax.driver.core.Message$ProtocolDecoder.decode(Message.java:195)
~[com.datastax.cassandra.cassandra-driver-core-2.1.6.jar:na]
>         at io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89)
[io.netty.netty-codec-4.0.27.Final.jar:4.0.27.Final]
>         ... 13 common frames omitted
> {noformat}



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