Fwd: Multiple innfeed processes
Julien ÉLIE <julien <at> trigofacile.com>
2013-03-18 19:12:17 GMT
Hi Jesse,
I do not see why innfeed does not properly shut down. It definitively should stop when innd closes its pipe to
innfeed upon reloading.
Maybe people in the inn-workers mailing-list will have ideas for that.
--
Julien
-------- Message original --------
Sujet: Multiple innfeed processes
Date : Fri, 08 Mar 2013 12:10:43 -0600
De : Jesse Rehmer
Pour : Julien ÉLIE
Julien,
I sorted out all of the weird CNFS issues I was having previously. Turned out to be an issue on the SAN which
caused a lot of strange server level issues on the reader machine. I do have an issue on my feeder machine
that I'm having trouble diagnosing/resolving. I'm seeing multiple innfeed processes running after INN
has been up for more than a day or so. Seems to happen when I'm reloading configurations such as newsfeeds or
incoming.conf. The new innfeed process starts fine but the old one never seems to die on its own. It also
doesn't stop using standard signals via kill. I have to kill -9 the process in order for it to quit running.
Here is what it ends up looking like at the process level (if I leave this alone for a few days there will be 4 or 5
innfeed processes running):
news 561 1.4 0.8 172104 34912 ? Ss 00:58 9:39 /usr/local/news/bin/innd
news 7403 0.3 0.0 12504 3004 ? S 08:13 0:54 \_ /usr/local/news/bin/innfeed
news 10971 0.1 0.2 148316 11984 ? S 12:02 0:00 \_ controlchan
news 10972 0.4 0.0 11432 1804 ? S 12:02 0:00 \_ /usr/local/news/bin/innfeed
news 10973 0.0 0.0 4580 1052 ? S 12:02 0:00 \_ /usr/local/news/bin/ninpaths -p -d /usr/local/news/log/path/inpaths.%d
When I do a strace on the old innfeed process I see the following:
[news <at> usenet ~]$ strace -p 7403
Process 7403 attached - interrupt to quit
select(17, [16], [], [], {7, 37802}) = 0 (Timeout)
select(17, [16], [], [], {30, 0}) = 0 (Timeout)
select(17, [16], [], [], {29, 0}) = 1 (in [16], left {21, 446303})
readv(16, [{"503 time out\r\njfrl2le8023d97mmcu"..., 256}], 1) = 14
sendto(3, "<61>Mar 8 12:07:34 innfeed[7403"..., 143, MSG_NOSIGNAL, NULL, 0) = 143
sendto(3, "<61>Mar 8 12:07:34 innfeed[7403"..., 138, MSG_NOSIGNAL, NULL, 0) = 138
close(16) = 0
select(0, [], [], [], {21, 0}
When this first started I thought it was happening due to certain configuration parameters that I had
tweaked, but I have since reverted those back to defaults with no effect. I tried hunting around to see if
anyone had run into this before but came up empty. Have you ever seen this behavior?
Regards,
Jesse Rehmer
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