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https://issues.apache.org/jira/browse/IMPALA-12576?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17867015#comment-17867015
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Surya Hebbar commented on IMPALA-12576:
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For now, I have posted a [patch|https://gerrit.cloudera.org/#/c/21596/] that
displays warning on switching to the experimental profile. Including event
sequences and other instance level details within aggregated profile would
require further deliberation considering [these
comments|https://github.com/apache/impala/blob/00d0b0dda1e215d8e91ff52688fe6654bee52282/be/src/util/runtime-profile.cc#L2914-L2923].
> Query timeline not working when enable gen_experimental_profile
> ---------------------------------------------------------------
>
> Key: IMPALA-12576
> URL: https://issues.apache.org/jira/browse/IMPALA-12576
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Affects Versions: Impala 4.3.0
> Reporter: Zihao Ye
> Assignee: Surya Hebbar
> Priority: Major
>
> When set startup flag gen_experimental_profile, the timeline page of the
> query will be empty. It seems due to that the aggregated profile does not
> provide event sequences.
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