OK, turned off counter reset. Also, I noticed that when I restarted, if
I waited about 2 minutes for all connections to clear out of FIN_WAIT,
et al... It seems to log better.
Now we wait an hour...
So now I see:
Fri Nov 2 15:52:49 2018: imtcp(110): origin=imtcp submitted=142983
Fri Nov 2 15:52:49 2018: resource-usage: origin=impstats utime=12115102
stime=2320953 maxrss=56332 minflt=16662 majflt=0 inblock=8 oublock=16
nvcsw=37439 nivcsw=99 openfiles=334
Fri Nov 2 15:52:49 2018: main Q: origin=core.queue size=0
enqueued=142983 full=0 discarded.full=0 discarded.nf=0 maxqsize=58676
Fri Nov 2 15:53:49 2018: global: origin=dynstats
Fri Nov 2 15:53:49 2018: forward1: origin=core.action processed=153749
failed=0 suspended=0 suspended.duration=0 resumed=0
Fri Nov 2 15:53:49 2018: forward2: origin=core.action processed=0
failed=0 suspended=0 suspended.duration=0 resumed=0
David Lang wrote on 11/2/18 2:47 PM:
On Fri, 2 Nov 2018, Rory Toma wrote:
Date: Fri, 2 Nov 2018 15:44:10 -0700
From: Rory Toma <[email protected]>
To: David Lang <[email protected]>
Cc: Rory Toma via rsyslog <[email protected]>
Subject: Re: [rsyslog] Need help with high volume forwarding config
Does this mean that the packets are not even being forwarded?
Fri Nov 2 15:41:59 2018: main Q: origin=core.queue size=0
enqueued=8059 full=0 discarded.full=0 discarded.nf=0 maxqsize=632
so you received 8059 messages
Fri Nov 2 15:42:59 2018: global: origin=dynstats
Fri Nov 2 15:42:59 2018: action-0-builtin:omfwd: origin=core.action
processed=2591 failed=0 suspended=0 suspended.duration=0 resumed=0
and you sent 2591 messages through action 0 (this is why it's good to
have name='something' in the action to be sure you are looking at the
right thing
Fri Nov 2 15:42:59 2018: action-1-builtin:omfwd: origin=core.action
processed=0 failed=0 suspended=0 suspended.duration=0 resumed=0
Fri Nov 2 15:42:59 2018: imtcp(110): origin=imtcp submitted=2591
Fri Nov 2 15:42:59 2018: resource-usage: origin=impstats
utime=2954582 stime=383935 maxrss=19192 minflt=5924 majflt=0
inblock=8 oublock=32 nvcsw=3462 nivcsw=7 openfiles=250
Fri Nov 2 15:42:59 2018: main Q: origin=core.queue size=0
enqueued=2591 full=0 discarded.full=0 discarded.nf=0 maxqsize=632
but here it says there were only 2591 messages received, are you
resetting the counters each time? if so, it's probably best not to do
that right now.
David Lang
David Lang wrote on 11/2/18 2:34 PM:
On Fri, 2 Nov 2018, Rory Toma via rsyslog wrote:
We have several rsyslog hosts that forward to a logstash server. It
runs great, then after about an hour, data slows down until we get
a trickle. I did not see anything last time I ran impstats, so I'm
stuck. Here's my config (centos7, rsyslog 8.39) Any advice how to
debug this?
Well, logstash has lots of bottlenecks, is it keeping up or is it
refusing to accept more data?
what does impstats show? does it show the output to logstash being
suspended?
until you know that the recipient is able to receive more logs, I
don't know that it's worth looking at the rsyslog config.
David Lang
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