I wouldnt advise reconfigure for when you update your blacklists, sure
it sounds great, but in reality, as I said, in my experience, only
sometimes will it actually reload the acl from disk, sometimes it wont.
Youll do a reconfigure and discover your squid is still running the old
acls which presumably are memory resident, now this may have been a bug
thats been since fixed, but Im not messing with it. In our testig
environment we dont have time to be dealing with squid deciding to load
an acl from disk when it feels like it should do so, we need it to load
from disk every time.
Once you do your own testing youll see what im talking about, go ahead
and add some urls to your acl and -k reconfigure, do this a few times,
and I am certain youll eventually find out what Im telling you is true.
On 10/1/2016 7:38 PM, Alex Rousskov wrote:
On 09/30/2016 07:02 PM, Darren wrote:
If I have to reload the ACL lists do I restart squid or is there a way
to update without impacting the users to much?
You can reconfigure Squid instead of restarting it. Reconfiguration is
usually better than a complete restart as far as user impact is
concerned, but reconfiguration is currently still pretty disruptive for
users because Squid closes its listening ports while reconfiguring and
does a lot of useless work which slows reconfiguration down. Also, there
have been many cases where reconfiguration led to memory leaks and other
problems.
Seamless hot reconfiguration has been on many admin wish lists for a
long time, and ACL refreshing is a big part of that demand. We are
moving in that direction but the progress has been slow.
Alex.
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