[Bug 573853] Re: Cannot control squid "Unknown instance"

[Amos Jeffries]

There seems to be some confusion over the way these squid processes
operates.

In your trace:
"
root 14719 0.0 0.0 24796 1076 ? Ss 14:26 0:00 /usr/sbin/squid
proxy 14721 2.2 0.2 40212 10352 ? Sl 14:26 0:00 (squid)
"

the process "/usr/sbin/squid" is a daemon supervisor. Ensuring worker
"(squid)" process remains running and restarting it on failures.

Adding upstart to manage this manager process is redundant. Using  -N is
the correct way to start squid up to version 3.1 without the
supervisor/master process. 3.2+ with multiple workers will require
changes in either upstart or squid to integrate them better, but the -N
mode is still available meanwhile to disable the SMP support.

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https://bugs.launchpad.net/bugs/573853

Title:
  Cannot control squid "Unknown instance"