Jeremy Evans <[email protected]> wrote:
> Eric,
>
> Thanks for the 0.93.3 release. I'm now able to test my apps with unicorn.
>
> If I have an idle application, the master program restarts the workers
> every timeout seconds. Is this the expected behavior, and if so, is
> there a reason for it? Would you be opposed to changing it so that
> the master doesn't restart workers that haven't had any activity in
> the last timeout seconds?
Idle as in no clients connected (and not long-poll/Comet idle)?
Definitely not expected behavior...
Can you try playing the following on OpenBSD and seeing if
the ctimes match for before and after?
require 'tempfile'
foo = Tempfile.new nil
before = foo.stat
foo.chmod 1
sleep 1
foo.chmod 0
after = foo.stat
p [ before.ctime, after.ctime ]
If they're the same, can you also try syswrite(".") instead of chmod and
see if that does anything?
I wonder if OpenBSD is not implementing st_ctime changes properly,
I understanding is that st_ctime should change for any FS-related
operations, from the Linux stat(2) manpage:
http://linux.die.net/man/2/stat
The field st_ctime is changed by writing or by setting inode
information (i.e., owner, group, link count, mode, etc.).
Likewise, the OpenBSD manpage:
http://www.openbsd.org/cgi-bin/man.cgi?query=stat&apropos=0&sektion=2&manpath=OpenBSD+Current&arch=i386&format=html
st_ctime Time when file status was last changed (inode data
modification). Changed by the chmod(2), chown(2),
link(2), rename(2), unlink(2), utimes(2), and write(2)
system calls.
Note that the OpenBSD manpage doesn't explicitly say fchmod(2), just
chmod(2), so if the above didn't work, maybe the following does?
require 'tempfile'
foo = Tempfile.new nil
before = foo.stat
File.chmod(1, foo.path)
sleep 1
File.chmod(0, foo.path)
after = foo.stat
p [ before.ctime, after.ctime ]
This might be a bug in OpenBSD, but I'd be willing to make a workaround
--
Eric Wong
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