On 3/13/22 17:22, Amos Jeffries wrote:
On 14/03/22 08:48, Dave Blanchard wrote:
OK. Would there be any harm in using 'kill -9 <pid>'? 'kill <pid>'
seems to be interpreted as 'take your time, then quit whenever you're
ready.'
Indeed. Busy proxy may have many clients to finish talking to, so there
is a delay.
Sending the SIGHUP ('kill <pid>') a second time ends that delay and
Squid will exit quickly.
SIGHUP is a reconfiguration signal. Amos may be thinking about SIGTERM
("squid -k shutdown" signal and "kill" default signal).
As long as kill -9 won't potentially cause any inconsistencies in
state files or anything like that, I guess I'll do it that way. Thanks.
"kill -9" will definitely leave some things in an odd state. Try the
double-kill first.
Just to add: kill -9 will not kill SMP Squid workers and other kid
processes. To a large degree, Squid will just keep running as if nothing
happened -- that signal cannot be caught and processed specially by the
receiving Squid process. Do not use "kill -9 `cat pidfile`" if you are
using SMP Squids!
HTH,
Alex.
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