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Posted to issues@tez.apache.org by "Jason Lowe (JIRA)" <ji...@apache.org> on 2016/02/11 16:28:18 UTC
[jira] [Created] (TEZ-3115) Shuffle string handling adds
significant memory overhead
Jason Lowe created TEZ-3115:
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Summary: Shuffle string handling adds significant memory overhead
Key: TEZ-3115
URL: https://issues.apache.org/jira/browse/TEZ-3115
Project: Apache Tez
Issue Type: Bug
Affects Versions: 0.7.0
Reporter: Jason Lowe
While investigating the OOM heap dump from TEZ-3114 I noticed that the ShuffleManager and other shuffle-related objects were holding onto many strings that added up to over a hundred megabytes of memory.
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