Surya Hebbar created IMPALA-12182:
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Summary: Add Impala daemon's CPU utilization time series graph for
RuntimeProfile's sampled values
Key: IMPALA-12182
URL: https://issues.apache.org/jira/browse/IMPALA-12182
Project: IMPALA
Issue Type: New Feature
Reporter: Surya Hebbar
Assignee: Surya Hebbar
The RuntimeProfile contains samples of CPU utilization metrics for user, sys
and iowait clamped to 64 values (retrieved from the ChunkedTimeSeriesCounter,
but sampled similar to SamplingTimeSeriesCounter).
It would be helpful to see the recent aggregate CPU node utilization samples
for each of the different nodes.
These are sampled every `periodic_counter_update_period_ms`.
AggregatedRuntimeProfile used in the Thrift profile contains the complete
series of values from the ChunkedTimeSeriesCounter samples. But, as this
representation is difficult to provide in the JSON, they have been downsampled
to 64 values.
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