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https://issues.apache.org/jira/browse/CASSANDRA-12739?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brad Vernon updated CASSANDRA-12739:
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Reproduced In: 3.0.5, 2.2.6 (was: 2.2.6, 3.0.5)
Status: Patch Available (was: Open)
Patch attached.
Needs CI and review
> Cassandra Tools use cassandra-env.sh MAX_HEAP_SIZE if set
> ---------------------------------------------------------
>
> Key: CASSANDRA-12739
> URL: https://issues.apache.org/jira/browse/CASSANDRA-12739
> Project: Cassandra
> Issue Type: Bug
> Components: Tools
> Reporter: Brad Vernon
> Attachments: cass-21_tools_xmx.patch, cass-22_tools_xmx.patch,
> cass-3x_tools_xmx.patch
>
>
> Nodetool and other bash startup scripts load cassandra-env.sh variables
> including MAX_HEAP_SIZE as part of CASSANDRA-10679. If cassandra-env.sh has
> MAX_HEAP_SIZE set to any value the default heap size needed for the cassandra
> tool to run is overridden.
> This is a problem if the using a large heap in C* i.e. 16-32G due to each
> instance of nodetool or other tool will allocate large heap regardless of
> need and could exceed the total RAM available on the system.
> Patch removes the check for MAX_HEAP_SIZE being set and uses the default heap
> size needed for each tool.
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