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https://issues.apache.org/jira/browse/CASSANDRA-14436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16567696#comment-16567696
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ASF GitHub Bot commented on CASSANDRA-14436:
--------------------------------------------
GitHub user clohfink opened a pull request:
https://github.com/apache/cassandra/pull/244
Refactor and add samplers for CASSANDRA-14436
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/clohfink/cassandra 14436-trunk
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/cassandra/pull/244.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #244
----
commit cf1f26e985a2aa2eb6a683457bb6cd755d773d7c
Author: Chris Lohfink <clohfink@...>
Date: 2018-05-19T04:30:20Z
Refactor and add samplers for CASSANDRA-14436
----
> Add sampler for query time and expose with nodetool
> ---------------------------------------------------
>
> Key: CASSANDRA-14436
> URL: https://issues.apache.org/jira/browse/CASSANDRA-14436
> Project: Cassandra
> Issue Type: Improvement
> Reporter: Chris Lohfink
> Assignee: Chris Lohfink
> Priority: Major
>
> Create a new {{nodetool profileload}} that functions just like toppartitions
> but with more data, returning the slowest local reads and writes on the host
> during a given duration and highest frequency touched partitions (same as
> {{nodetool toppartitions}}). Refactor included to extend use of the sampler
> for uses outside of top frequency (max instead of total sample values).
> Future work to this is to include top cpu and allocations by query and
> possibly tasks/cpu/allocations by stage during time window.
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