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Issue 816502 link

Starred by 1 user
Status: Fixed
Owner:
charliea@chromium.org
Closed: Apr 2018
Cc:
tandrii@chromium.org
charliea@chromium.org
dpranke@chromium.org
tdres...@chromium.org
EstimatedDays: ----
NextAction: ----
OS: ----
Pri: 2
Type: Bug-Regression



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1.5%-19.3% regression in system_health.memory_desktop at 538759:538892

Project Member Reported by tdres...@chromium.org, Feb 26 2018 
See the link to graphs below.
Project Member

Comment 1 by 42576172...@developer.gserviceaccount.com, Feb 26 2018 

All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=816502

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=518549bfa622ab9c95a49541debe8e6e5ea01ac6930bc385bc342f9de431c0a5


Bot(s) for this bug's original alert(s):

android-nexus6
android-webview-nexus5X
android-webview-nexus6
linux-release
Project Member

Comment 3 by 42576172...@developer.gserviceaccount.com, Feb 26 2018 

📍 Couldn't reproduce a difference.
https://pinpoint-dot-chromeperf.appspot.com/job/12d14d90440000

Comment 8 by sullivan@chromium.org, Mar 16 2018 

Kicked off a bunch more bisects.
Project Member

Comment 9 by 42576172...@developer.gserviceaccount.com, Mar 17 2018

Cc: dpranke@chromium.org charliea@chromium.org tandrii@chromium.org
Owner: charliea@chromium.org
Status: Assigned (was: Untriaged)
📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/15f2505e440000

Revert "[test_env.py] Reland: Warm up vpython virtualenv cache on swarming task shards" by charliea@chromium.org
https://chromium.googlesource.com/chromium/src/+/5908c5d2269594aff9c2454c4732360a311c27ca

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions
Project Member

Comment 10 by 42576172...@developer.gserviceaccount.com, Mar 17 2018 

📍 Found a significant difference after 1 commit.
https://pinpoint-dot-chromeperf.appspot.com/job/1506afc1440000

Revert "[test_env.py] Reland: Warm up vpython virtualenv cache on swarming task shards" by charliea@chromium.org
https://chromium.googlesource.com/chromium/src/+/5908c5d2269594aff9c2454c4732360a311c27ca

Understanding performance regressions:
  http://g.co/ChromePerformanceRegressions
Project Member

Comment 11 by 42576172...@developer.gserviceaccount.com, Mar 18 2018 

😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/13bd3121440000
Project Member

Comment 12 by 42576172...@developer.gserviceaccount.com, Mar 18 2018 

😿 Pinpoint job stopped with an error.
https://pinpoint-dot-chromeperf.appspot.com/job/12d7f8e1440000

Comment 13 by charliea@chromium.org, Apr 2 2018

Status: Fixed (was: Assigned)
Closing this: the performance regression was for a revert that was necessary, and eventually relanded.
►

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