Re: [squid-users] reading swap.state file

On Monday 05 August 2013 21:40:40 Eliezer Croitoru wrote:
> On 08/05/2013 04:47 PM, Hussam Al-Tayeb wrote:
> > Would manually setting the shutdown_timeout value to over 30 seconds
> > (let's
> > say 180 seconds) and typing 'sync' before shutting down squid to restart
> > the server help with the OS caching disk i/o issue?
> > I am expecting the 3.10.5 kernel update anytime now so it would be a good
> > time to test things.
>
> The above is kind of not really needed to my understanding.
> The sync is OS level operation which squid can but not directly needs to
> control.
>
> In this level squid actually gives the OS the swapin\swapout results to
> schedule a "write" and "read" operations.
> From squid point of view the "write" operation was done already once the
> connection was ended and in a case that the mem_cache max size is
> exceeded and the cache_dir is the only option for saving the object.
>
> Once you shutdown a running OS in the "nice" way not just disconnecting
> the cable the OS does a sync as part of the clean shutdown.
>
> The reasons I can think of a file that was yet to be removed is that it
> was not scheduled by the OS or squid.
> What version of squid are you using?
>
> Eliezer
squid version 3.3.8
I squid -k shutdown before restarting for kernel updates. so no bad
shutdowns/poweoffs
Received on Mon Aug 05 2013 - 22:41:21 MDT