Tim Armstrong created IMPALA-6656:
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Summary: Metrics for time spent in BufferAllocator
Key: IMPALA-6656
URL: https://issues.apache.org/jira/browse/IMPALA-6656
Project: IMPALA
Issue Type: Improvement
Components: Backend
Reporter: Tim Armstrong
Assignee: Tim Armstrong
We should track the total time spent and the time spent in TCMalloc so we can
understand where time is going globally.
I think we should shard these metrics across the arenas so we can see if the
problem is just per-arena, and also to avoid contention between threads when
updating the metrics.
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