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https://issues.apache.org/jira/browse/DRILL-2421?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Westin updated DRILL-2421:
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Description:
In order to help improve usage tracking, allocations for a single query should
all roll up to a single root.
This requires that the Foreman create that root, and label it, and then pass
that along to anyone else that needs to create additional sub-allocators. The
patch for DRILL-2406 introduces the creation of a new allocator in
QueryContext, but this is currently a child of the Drillbit's
TopLevelAllocator, violating the principle above. This is a reminder to fix
that after the dependencies above are available.
As well as the known case in QueryContext, check to make sure other locations
aren't creating new children from the DrillbitContext, but are instead using
the allocator from the FragmentContext instead.
was:
In order to help improve usage tracking, allocations for a single query should
all roll up to a single root.
This requires that the Foreman create that root, and label it, and then pass
that along to anyone else that needs to create additional sub-allocators. The
patch for DRILL-2406 introduces the creation of a new allocator in
QueryContext, but this is currently a child of the Drillbit's
TopLevelAllocator, violating the principle above. This is a reminder to fix
that after the dependencies above are available.
> ensure all allocators for a query are descendants of a single root
> ------------------------------------------------------------------
>
> Key: DRILL-2421
> URL: https://issues.apache.org/jira/browse/DRILL-2421
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Flow
> Reporter: Chris Westin
> Assignee: Chris Westin
> Fix For: 0.9.0
>
>
> In order to help improve usage tracking, allocations for a single query
> should all roll up to a single root.
> This requires that the Foreman create that root, and label it, and then pass
> that along to anyone else that needs to create additional sub-allocators. The
> patch for DRILL-2406 introduces the creation of a new allocator in
> QueryContext, but this is currently a child of the Drillbit's
> TopLevelAllocator, violating the principle above. This is a reminder to fix
> that after the dependencies above are available.
> As well as the known case in QueryContext, check to make sure other locations
> aren't creating new children from the DrillbitContext, but are instead using
> the allocator from the FragmentContext instead.
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