Am 15.02.11 10:32, schrieb Rainer Gerhards:
I guess you look for performance counters. Unfortunately, there are not
present before the introduction of impstat in v5.
We will have a look at that, thanks. We start trying to implant v5 into
SLES10.
We stumbled upon a strange phenomenon: rsyslog reads messages from a log
file and sends them to rsyslog on a central log server which parses them
and writes them to log files. The client needs 1 % CPU for that, and the
server needs 100 % CPU for that - with only the messages from this one
client! Both machines are exactly the same.
The configuration on the server is quite complex, so the messages we
test with have to be parsed by 550 rules before they match, get written
and discarded.
Is this asynchronous resource usage "normal"? Or is it specially v3
doing it thus - would we benefit from using v5?
Does it depend on the number of rules to be parsed - would we benefit
from using regular expressions (assuming this is possible)?
Any input, hint or help is greatly appreciated.
Dirk
Rainer
-----Original Message-----
From: rsyslog-boun...@lists.adiscon.com [mailto:rsyslog-
boun...@lists.adiscon.com] On Behalf Of Dirk
Sent: Tuesday, February 15, 2011 10:31 AM
To: rsyslog-users
Subject: [rsyslog] Measuring performance of Rsyslog 3
Hi folks,
is there any possibility to gain some performance impression for
rsyslogd 3? I would like to count
- how many messages are coming in via tcp
- how many messages are written to logs totally
- how many messages are written to each log
Of course I can write scripts to do "wc -l" for the second and third
questions, but with some hundred logs this seems not a good idea, and
real time results or near time results are preferred.
Any idea is greatly appreciated.
Dirk
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