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https://issues.apache.org/jira/browse/IMPALA-5165?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tim Armstrong resolved IMPALA-5165.
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Resolution: Later
I think in the end this wasn't all that important - allocating small amounts of
memory from MemPool is OK - it turned out that moving the large allocations to
BufferPool was generally sufficient.
> Allocate memory for all data from BufferPool
> --------------------------------------------
>
> Key: IMPALA-5165
> URL: https://issues.apache.org/jira/browse/IMPALA-5165
> Project: IMPALA
> Issue Type: Improvement
> Components: Backend
> Reporter: Tim Armstrong
> Priority: Major
> Labels: resource-management
>
> Eventually we should back RowBatches and other runtime memory (e.g. MemPools,
> FreePools, compression buffers, etc) with memory from BufferPool.
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