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Posted to issues@tez.apache.org by "Siddharth Seth (JIRA)" <ji...@apache.org> on 2016/05/28 19:56:12 UTC

[jira] [Created] (TEZ-3283) Add a max cap to the heap computation done by Tez

Siddharth Seth created TEZ-3283:
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             Summary: Add a max cap to the heap computation done by Tez
                 Key: TEZ-3283
                 URL: https://issues.apache.org/jira/browse/TEZ-3283
             Project: Apache Tez
          Issue Type: Improvement
            Reporter: Siddharth Seth


Change the calculation to not use the fraction blindly. For large containers - .e.g 10GB - this ends up leaving 2G of the container unused / outside of the heap.
Instead we can add another parameter which indicates the max amount of memory to leave outside the heap - defaulting to 1G



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