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http://jira.amdatu.org/jira/browse/AMDATUCASSANDRA-142?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ivo Ladage - van Doorn resolved AMDATUCASSANDRA-142.
----------------------------------------------------

    Resolution: Fixed

Patch has been applied in version 0.6.0-2 which is available in the online 
amdatu mvn repo. Version in cassandra appl pom now refers to this version
                
> memory leak in hector/thrift connection pool
> --------------------------------------------
>
>                 Key: AMDATUCASSANDRA-142
>                 URL: http://jira.amdatu.org/jira/browse/AMDATUCASSANDRA-142
>             Project: Amdatu Cassandra
>          Issue Type: Bug
>          Components: Cassandra daemon
>    Affects Versions: 0.2.1
>            Reporter: Arthur Meijer
>            Assignee: Ivo Ladage - van Doorn
>             Fix For: 0.2.2
>
>
> The connection pool keeps up to 50 open connections. The writeBuffer_ 
> instance variable of TframedTransport can only grow and is never reset to its 
> original capacity. This causes memory issues for clients using a connection 
> pool.
> The size of this buffer grows to 16MB in our application. With a connection 
> pool of 50 connections, this leads to a loss up to 800MB.
> See https://issues.apache.org/jira/browse/THRIFT-1457

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