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Issue 715234 link

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Pri: 2
Type: Bug


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[Findit] Fix grouping

Project Member Reported by chanli@chromium.org, Apr 25 2017

Issue description

Currently we group Findit analysis by failure info and heuristic results.

This approach has some issues:
1. The grouping is not guaranteed to match SoM alerts
2. If analyses in the group have different results from swarming rerun or try jobs, the results would be inconsistent
3. For non-first-time-failures with only try job results, the grouping cannot link the culprits.

We need to either fix issues in existing grouping or use the same grouping as SoM alerts.
 

Comment 1 by chanli@chromium.org, Apr 25 2017

Blockedon: 649103 706940
A new case in reported in https://bugs.chromium.org/p/chromium/issues/detail?id=717129. In this case 2 builds in the same group found the same culprit while another build found the failure is flaky. 

Sheriff reported the culprit was wrong.

First thing we could do is to modify notification logic in this case, but eventually we need to fix grouping. 

Comment 3 by chanli@chromium.org, Jul 10 2017

Blocking: 740660

Comment 4 by chanli@chromium.org, Jul 17 2017

Blocking: 744711
Project Member

Comment 5 by bugdroid1@chromium.org, Jul 21 2017

The following revision refers to this bug:
  https://chromium.googlesource.com/infra/infra/+/9d2d79e1d9a783124aee71a9d3ac9ba8afa0c234

commit 9d2d79e1d9a783124aee71a9d3ac9ba8afa0c234
Author: Chan <chanli@chromium.org>
Date: Fri Jul 21 20:19:31 2017

[Findit] Don't use group info when displaying analysis result.

Bug: 715234
Change-Id: I494844c9db84b35b927371c359b8d69e107eb22a
Reviewed-on: https://chromium-review.googlesource.com/578657
Reviewed-by: Jeffrey Li <lijeffrey@chromium.org>
Reviewed-by: Roberto Carrillo <robertocn@chromium.org>
Commit-Queue: Chan Li <chanli@chromium.org>

[modify] https://crrev.com/9d2d79e1d9a783124aee71a9d3ac9ba8afa0c234/appengine/findit/handlers/handlers_util.py
[modify] https://crrev.com/9d2d79e1d9a783124aee71a9d3ac9ba8afa0c234/appengine/findit/handlers/test/handlers_util_test.py

Comment 6 by chanli@chromium.org, Jul 24 2017

Blocking: 748119

Comment 7 by chanli@chromium.org, Jul 31 2017

Blocking: 750732

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