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https://issues.apache.org/jira/browse/ARROW-1795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16248329#comment-16248329
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ASF GitHub Bot commented on ARROW-1795:
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robertnishihara commented on issue #1303: ARROW-1795: [Plasma] Change evict
policy
URL: https://github.com/apache/arrow/pull/1303#issuecomment-343640619
@luchy0120 can you move the last commit to a separate PR? It'd be good to
get this one merged with just the bug fix.
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> [Plasma C++] change evict policy
> --------------------------------
>
> Key: ARROW-1795
> URL: https://issues.apache.org/jira/browse/ARROW-1795
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Plasma (C++)
> Reporter: Lu Qi
> Assignee: Lu Qi
> Priority: Minor
> Labels: pull-request-available
>
> say, we have total free memory 8 G , we have input 5G data, then comes
> another 6G data,
> if we choose to evict space 6G , it will throw exception saying that
> no object can be free. This is because we didn't count the 3G remaining free
> space .If we count this remaining 3G , we need to ask only 3G,thus
> we can evict the 5G data and we are still alive .
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