Thejas M Nair created HCATALOG-587:
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Summary: webhcat controller map task takes too much memory
Key: HCATALOG-587
URL: https://issues.apache.org/jira/browse/HCATALOG-587
Project: HCatalog
Issue Type: Bug
Reporter: Thejas M Nair
The webhcat map only task does not need lot of memory. But when a java
application is started with -server option, it allocates the memory specified
as max heap size (-Xmx in oracle jre) upfront.
When combined with the memory used by pig or hive client, this can sometimes
exceed the maximum memory limit for a map task (if configured).
Being able to specify the java options for the map task will be useful to avoid
this issue.
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