Bug 50704

Summary:

lots of tests timing out running mac chromium drt under heavy concurrency

Product:

WebKit

Reporter:

Dirk Pranke <dpranke>

Component:

Tools / Tests

Assignee:

Tony Chang <tony>

Status:

RESOLVED WORKSFORME

Severity:

Normal

CC:

ojan, tkent, tony

Priority:

Version:

528+ (Nightly build)

Hardware:

OS:

OS X 10.5

Bug Depends on:

50709

Bug Blocks:

Attachments:

Description	Flags
log of running 4 Mac Chromium DRT's in parallel	none
log of running 8 Mac Chromium DRT's in paralllel	none
verbose log of 8 Mac Chromium DRT's in parallel, interrupted after a couple of minutes	none

Dirk Pranke

Reported 2010-12-08 11:49:43 PST

Created attachment 75937 [details] log of running 4 Mac Chromium DRT's in parallel Using the patch posted to bug 48820, I can run Mac DRT and Chromium TestShell on my Mac Pro (Snow Leopard) using up to 32 child processes. However, running with more than 5 Chromium DRT children I get tons of processes timing out. The first set of logs shows my normal run with 4 and 8 child processes. The 4-process run completed in little over a minute; I interrupted the 8-process run after 25 and still had several thousand tests remaining.

Attachments
log of running 4 Mac Chromium DRT's in parallel (35.00 KB, text/plain) 2010-12-08 11:49 PST, Dirk Pranke	no flags	Details
log of running 8 Mac Chromium DRT's in paralllel (281.39 KB, text/plain) 2010-12-08 11:51 PST, Dirk Pranke	no flags	Details
verbose log of 8 Mac Chromium DRT's in parallel, interrupted after a couple of minutes (403.83 KB, text/plain) 2010-12-08 11:51 PST, Dirk Pranke	no flags	Details
View All Add attachment proposed patch, testcase, etc.

Dirk Pranke

Comment 1 2010-12-08 11:51:12 PST

Created attachment 75938 [details] log of running 8 Mac Chromium DRT's in paralllel

Dirk Pranke

Comment 2 2010-12-08 11:51:56 PST

Created attachment 75939 [details] verbose log of 8 Mac Chromium DRT's in parallel, interrupted after a couple of minutes

Dirk Pranke

Comment 3 2010-12-08 13:09:03 PST

Okay, commenting out the WebKitDriver branch seems to help quite a bit, if not solve it completely. I'm also seeing another issue under load w/ Chromium DRT, but I'm suspecting that it's a different thing, so I'll file a different bug.

Dirk Pranke

Comment 4 2011-01-11 14:33:07 PST

I'm still seeing issues w/ this. I will start investigating.

Kent Tamura

Comment 5 2011-01-11 15:51:45 PST

I guess these timeouts occur due to Bug 50709.

Dirk Pranke

Comment 6 2011-01-31 22:53:19 PST

I am no longer seeing an unusual number of timeouts after having switched to just ChromiumDriver and making the changes suggested in bug 50709.

Dirk Pranke

Comment 7 2011-02-18 19:41:27 PST

closing as worksforme ...

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