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https://issues.apache.org/jira/browse/HBASE-4884?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ryan Thiessen updated HBASE-4884:
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Status: Patch Available (was: Open)
> Allow environment overrides for various HBase processes
> -------------------------------------------------------
>
> Key: HBASE-4884
> URL: https://issues.apache.org/jira/browse/HBASE-4884
> Project: HBase
> Issue Type: Improvement
> Components: shell
> Reporter: Ryan Thiessen
> Priority: Minor
> Attachments: hbase-4884.txt
>
> Original Estimate: 0h
> Remaining Estimate: 0h
>
> The current shell scripts have no mechanism for granting different
> environments to various HBase subcomponents. Sometimes we want to customize
> these, for example to run the thrift command with a lower HBASE_HEAPSIZE than
> what we grant the regionservers.
> Checking for the presence of an override file and then sourcing it if present
> allows me to override this heapsize or any other variable.
> Test process:
> * tested with file missing. no problem, used default conf/hbase-env.sh
> settings.
> * tested with conf/hbase-env-thrift.sh file with heap size of 1234. ps axww
> showed -Xmx1234m
> * started regionserver using bin/hadoop-daemon.sh
> * started hbase shell
> * ran some jruby scripts via bin/hbase org.jruby.Main
> * running in production for approx 2 weeks.
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