Bug 62883 - Report / Dashboard : Change the way percentiles are computed for Response Time Percentiles Over Time (successful responses) graph
Summary: Report / Dashboard : Change the way percentiles are computed for Response Tim...
Status: RESOLVED FIXED
Alias: None
Product: JMeter - Now in Github
Classification: Unclassified
Component: Main (show other bugs)
Version: 5.0
Hardware: All All
: P2 enhancement (vote)
Target Milestone: JMETER_5.1
Assignee: JMeter issues mailing list
URL:
Keywords: FixedInTrunk
Depends on:
Blocks:
 
Reported: 2018-11-04 13:43 UTC by Philippe Mouawad
Modified: 2018-11-04 13:50 UTC (History)
1 user (show)


Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Philippe Mouawad 2018-11-04 13:43:25 UTC 
As per discussion on mailing list:

- http://mail-archives.apache.org/mod_mbox/jmeter-dev/201811.mbox/%3CCAH9fUpafHR9kYanVRP2iJ7wyKEDOFYUrBPi9gBOZ%3DdFyeemDZw%40mail.gmail.com%3E

In summary:

Currently when we compute percentiles for this graph, for each time slot of a granularity we start the percentile computing from previous slot data:
https://github.com/apache/jmeter/blob/trunk/src/core/org/apache/jmeter/report/processor/PercentileAggregator.java#L53

Which leads to such result:

    https://ibb.co/mT22YL

This is weird because Max should be higher than Percentile

If we start for each time slot from blank:

    https://ibb.co/nJiWSf
Comment 1 Philippe Mouawad 2018-11-04 13:50:52 UTC 
Author: pmouawad
Date: Sun Nov  4 13:49:37 2018
New Revision: 1845737

URL: http://svn.apache.org/viewvc?rev=1845737&view=rev
Log:
Bug 62883 - Report / Dashboard : Change the way percentiles are computed for Response Time Percentiles Over Time (successful responses) graph
Bugzilla Id: 62883

Modified:
    jmeter/trunk/src/core/org/apache/jmeter/report/processor/PercentileAggregator.java
    jmeter/trunk/xdocs/changes.xml
Comment 2 The ASF infrastructure team 2022-09-24 20:38:15 UTC 
This issue has been migrated to GitHub: https://github.com/apache/jmeter/issues/4910