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Posted to issues@livy.apache.org by "runzhiwang (Jira)" <ji...@apache.org> on 2019/09/18 07:43:00 UTC

[jira] [Updated] (LIVY-667) Support query a lot of data.

     [ https://issues.apache.org/jira/browse/LIVY-667?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

runzhiwang updated LIVY-667:
----------------------------
    Summary: Support query a lot of data.  (was: Collect a part of partition to the driver by batch to avoid OOM)

> Support query a lot of data.
> ----------------------------
>
>                 Key: LIVY-667
>                 URL: https://issues.apache.org/jira/browse/LIVY-667
>             Project: Livy
>          Issue Type: Bug
>          Components: Thriftserver
>    Affects Versions: 0.6.0
>            Reporter: runzhiwang
>            Priority: Major
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> When enable livy.server.thrift.incrementalCollect, thrift use toLocalIterator to load one partition at each time instead of the whole rdd to avoid OutOfMemory. However, if the largest partition is too big, the OutOfMemory still occurs.



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