sonewconn: pcb 0xfffff801efdd1000: Listen queue overflow: 31 already in queue awaiting acceptance
benfell at parts-unknown.org
Mon Mar 16 23:48:58 UTC 2015
On Mon, Mar 16, 2015 at 03:38:51PM -0700, Charles Swiger wrote:
> They aren't directly related. You generally need to increase apc.shm_size
> suitable for however many PHP processes you're running-- generally via mod_php
> in Apache or fastcgi for nginx and the like.
I *am* running a bunch of php-fpm processes. Is there a formula for
> The listen queue overflow means that your system is failing to process
> incoming requests fast enough to keep up. The bottleneck could be
> on a resource like CPU or memory, or serialization against a database
> table, or something else. (You'll want to identify the bottleneck.)
Interesting. htop says I've got plenty of memory and CPU--it's a new
server and I went big. That would seem to suggest mysql may not be
performing well, which is a very strong possibility. Until relatively
recently, I was trying to run on a VPS and then a rather small hosted
server; I don't think I've revisited the mysql configuration since.
Thank you very much. All this helps.
David Benfell <benfell at parts-unknown.org>
See https://parts-unknown.org/node/2 if you don't understand the
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