RFR (XXS) 8069068: VM warning: WaitForMultipleObjects timed out (0) ...

David Holmes david.holmes at oracle.com
Wed May 20 07:04:52 UTC 2015


Hi Ivan,

On 20/05/2015 9:54 AM, Ivan Gerasimov wrote:
> Hello!
>
> Since the beginning of the year a warning about an expired timeout has
> been seen a few times.
> It is most likely to observe this under a heavy load, when many threads
> are exiting.
>
> The propose is to increase the timeout.
> The rationale is that if an application needs more time for the threads
> to exit, let's give it that time.

Rather than just bumping the timeout a little I would suggest bumping it 
a lot - make it a few minutes. If that fails then it suggests we have a 
real problem not just a slow or loaded machine. Otherwise if we just 
keep bumping the timeout it serves no purpose.

Cheers,
David


> BUGURL: https://bugs.openjdk.java.net/browse/JDK-8069068
> WEBREV: http://cr.openjdk.java.net/~igerasim/8069068/00/webrev/
>
> Sincerely yours,
> Ivan


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