Bug 86014 - Chromium perf bots fail to download the binary ~50% of the time
: Chromium perf bots fail to download the binary ~50% of the time
Status: RESOLVED LATER
Product: WebKit
Classification: Unclassified
Component: Tools / Tests
: 528+ (Nightly build)
: Unspecified Unspecified
: P2 Normal
Assigned To: Nobody
:
Depends on:
Blocks: 77037
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Reported: 2012-05-09 13:56 PDT by Ojan Vafai
Modified: 2012-09-20 20:08 PDT (History)
4 users (show)

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Description Ojan Vafai 2012-05-09 13:56:55 PDT
This means we're losing a lot of coverage. Not sure who manages these bots...

http://build.webkit.org/waterfall?show=Chromium%20Win%20Release%20(Perf)&show=Chromium%20Mac%20Release%20(Perf)&show=Chromium%20Linux%20Release%20(Perf)
Comment 1 Ryosuke Niwa 2012-05-09 14:45:57 PDT
This is because perf bots' cycle time is significantly longer than that of builders especially when changes are trivial. perf. bots get behind, and hits master's threshold to delete uploaded binaries. I've asked wms to increase the threadshold but it didn't help. The only thing it did was increasing the delay and backlogs.

The only solution to this problem is reducing cycle time of perf bots. Otherwise, the backlog will grow indefinitely.
Comment 2 Tony Chang 2012-05-09 14:47:10 PDT
Do we know which tests are the slowest?  Maybe we can get a better cycle time just by fixing a dozen or so tests.
Comment 3 Ryosuke Niwa 2012-05-09 14:52:18 PDT
Yeah, most of them are Dromaeo tests. We spend roughly 30% of time running the slowest 5 tests. You can process the stdout on bots to find the ranking although I've posted somewhere on Bugzilla as well.
Comment 4 Ryosuke Niwa 2012-07-19 15:43:24 PDT
We don't have any workable solution for this at the moment.