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Posted to issues@carbondata.apache.org by "Yadong Qi (JIRA)" <ji...@apache.org> on 2017/03/16 02:27:41 UTC

[jira] [Updated] (CARBONDATA-781) Some SegmentProperties objects occupy too much memory in driver

     [ https://issues.apache.org/jira/browse/CARBONDATA-781?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Yadong Qi updated CARBONDATA-781:
---------------------------------
    Summary: Some SegmentProperties objects occupy too much memory in driver  (was: Some SegmentProperties object occupy too much memory in driver)

> Some SegmentProperties objects occupy too much memory in driver
> ---------------------------------------------------------------
>
>                 Key: CARBONDATA-781
>                 URL: https://issues.apache.org/jira/browse/CARBONDATA-781
>             Project: CarbonData
>          Issue Type: Improvement
>          Components: core
>    Affects Versions: 1.1.0-incubating
>            Reporter: Yadong Qi
>         Attachments: CarbonProperties.jpg
>
>
> When I load carbondata 1000+ times with 35 nodes, I found SegmentProperties occupy 2.5+G(76K * 35 * 1000) memory in driver. I don't have small files so I don't want to compate the segment. I analyze the dump file and found the value of SegmentProperties are the same, so I think we can reuse the SegmentProperties if possible.



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