[erlang-questions] VM silently exits
Mon Aug 23 15:59:58 CEST 2010
On Mon, Aug 23, 2010 at 2:49 AM, Ulf Wiger
> Steve Vinoski wrote:
>> To track down my issue I temporarily modified heart to first issue a
>> SIGUSR1, thereby initiating a crash dump, then waiting 10 seconds
>> before issuing a SIGQUIT if needed to cause a core dump, and after a 1
>> second sleep finally issuing a SIGKILL if needed to kill off any
>> non-responsive VMs. Normally you don't want heart waiting 10-15
>> seconds like this before restarting, since you just want the VM to go
>> back into action as quickly as possible, [...]
> Steve, I think that depends. If you have a redundant setup, you
> would probably fail over to the standby(s) rather than waiting
> for the node to restart, in which case you most likely also prefer
> to wait for it to log some useful diagnostics first.
> Perhaps the appropriate thing is to be able to instruct heart
> whether it should be nice or brutal when restarting the VM?
Hi Ulf, that's an excellent point. Perhaps I can devise a patch
providing this capability.
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