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https://issues.apache.org/jira/browse/ARROW-1795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Lu Qi updated ARROW-1795:
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Description:
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
space .If we count this remaining 3G , we need to ask only 3G,thus
we can evict the 5G and we are still alive .
was:
say, we have total 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
space .If we count this remaining 3G , we need to ask only 3G,thus
we can evict the 5G and we are still alive .
> [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
> space .If we count this remaining 3G , we need to ask only 3G,thus
> we can evict the 5G and we are still alive .
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