[zeromq-dev] Handling OOM
ph at imatix.com
Wed May 18 15:58:45 CEST 2011
On Wed, May 18, 2011 at 3:47 PM, Ilja Golshtein <ilejncs at narod.ru> wrote:
> 18.05.2011, 14:03, "Pieter Hintjens" <ph at imatix.com>:
>> I'd suggest anything over 1M can fail without indicating OOM.
> Just to make behaviour more predictable and simplify support team' life.
Hard to know if you're being cautiously supportive or gently ironic :)
I'll assume irony and play my two of spades.
My personal preference for handling OOM is to die, rapidly, with a
message like "Raise your VM size and restart everything!". But clearly
asking to allocate a huge message can fail without signalling that
other stuff will also fail.
Since this allocation happens in exactly one place, zmq_msg_init_size,
it's trivial to return an error and if the application ignores that,
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