[Webkit-unassigned] [Bug 77419] run-webkit-tests: This machine could support 16 child processes, but only has enough memory for 15

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=77419





--- Comment #8 from Eric Seidel <eric at webkit.org>  2012-01-31 10:59:31 PST ---
(In reply to comment #7)
> Again, totally open to changing the algorithm.  But we'll need a concrete suggestion.  See bug 73847 for why we moved away from sysctl -n hw.memsize to vm_stat "Pages free".

Sorry, I meant to say bug 74021, but I realize now the discussion was all in private mail about the mac bots.  I'm happy to forward you the (not very exciting) discussion.

I'm open to changing this back to using hw.memsize with a smaller expected-ram-per-DRT value.

Another way would be to not pick a number of DRTs to spawn at the beginning and dynamically control them based on free memory.  That's a larger change, but perhaps a better system design.  Dirk might be able to comment on how difficult that might be.

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