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https://issues.apache.org/jira/browse/IMPALA-12182?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Surya Hebbar closed IMPALA-12182.
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> Add 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
> Components: Backend
> Reporter: Surya Hebbar
> Assignee: Surya Hebbar
> Priority: Major
> Fix For: Impala 4.3.0
>
> Attachments: 23-07-10_T15_33_44.png, 23-07-10_T15_36_26.png,
> 23-07-10_T15_39_01.png, 23-07-10_T15_39_31.png, 23-07-10_T15_40_42.png,
> 23-07-10_T15_40_50.png, 23-07-10_T15_40_55.png, cpu_utilization.png,
> cpu_utilization_test-1.png, cpu_utilization_test-2.png, query_timeline.mkv,
> simplescreenrecorder-2023-07-10_21.10.58.mkv,
> simplescreenrecorder-2023-07-10_22.10.18.mkv, three_nodes.png,
> three_nodes_zoomed_out.png, timeseries_cpu_utilization_line_plot.mkv,
> two_nodes.png
>
>
> 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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