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Posted to issues@tajo.apache.org by "Jinho Kim (JIRA)" <ji...@apache.org> on 2014/12/29 16:18:13 UTC
[jira] [Updated] (TAJO-1271) Improve memory usage in
HashShuffleFileWriteExec
[ https://issues.apache.org/jira/browse/TAJO-1271?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jinho Kim updated TAJO-1271:
----------------------------
Description:
Currently, HashShuffleFileWriteExec keep the cloned tuple list. and It written the tulples by count. This affects the jvm memory.
We should improve it as following :
* Keep the tuples in off-heap and reuse the row batch
was:
Currently, HashShuffleFileWriteExec keep the cloned tuple list. and It written the tulples by count. This affects the jvm memory.
We should improve it as following :
* Keep the tuples in off-heap and reuse the row batch
> Improve memory usage in HashShuffleFileWriteExec
> ------------------------------------------------
>
> Key: TAJO-1271
> URL: https://issues.apache.org/jira/browse/TAJO-1271
> Project: Tajo
> Issue Type: Improvement
> Components: data shuffle
> Affects Versions: 0.9.0
> Reporter: Jinho Kim
> Assignee: Jinho Kim
>
> Currently, HashShuffleFileWriteExec keep the cloned tuple list. and It written the tulples by count. This affects the jvm memory.
> We should improve it as following :
> * Keep the tuples in off-heap and reuse the row batch
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