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From "Philip (flip) Kromer (JIRA)" <j...@apache.org>
Subject [jira] Updated: (CASSANDRA-1455) Hadoop streaming -> Cassandra ColumnFamilyOutputFormat not respecting partitioner
Date Thu, 02 Sep 2010 17:46:55 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-1455?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Philip (flip) Kromer updated CASSANDRA-1455:
--------------------------------------------

    Attachment: avromapper.rb
                streamer.sh

Note that in its current state requires a patch to use flat avro schema.

> Hadoop streaming -> Cassandra ColumnFamilyOutputFormat not respecting partitioner
> ---------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-1455
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-1455
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Hadoop
>    Affects Versions: 0.7 beta 1
>         Environment: Ubuntu lucid ; Hadoop 0.20.1 CDH3b1 ; Cassandra 0.7beta1 + #1368,
1358, 1322, 1315 + patch to allow flat StreamingMutation avro schema
>            Reporter: Philip (flip) Kromer
>            Priority: Critical
>         Attachments: avromapper.rb, streamer.sh
>
>
> The Hadoop streaming shim (hadoop streaming client => avro => ColumnFamilyOutputFormat
=> cassandra ring) is only connecting to one or a couple clients on the ring.  With 24
hadoop clients launched,  ` sudo netstat -antp | grep 9160 | wc -l ` gave 24 on one machine,
and only 1-3 on any other node.
> I'll attach the script and runner I used.

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