[syslog-ng] syslog-ng 3.4.2 uses 40% more CPU

Evan Rempel erempel at uvic.ca
Wed Jun 5 17:11:09 CEST 2013

Try adding a program and/or a pipe destination. Another post to the list indicated that
by removing the pipe destination, CPU returned to expected levels, and I use both program
and pipe destinations.


On 06/05/2013 02:16 AM, Peter Czanik wrote:
> On 06/03/2013 07:07 PM, Evan Rempel wrote:
>> Deployed version 3.4.2 into our infrastructure and noticed the CPU
>> profile change depicted in this image.
>> The change from 3.4.1 to 3.4.2 occurred at 09:19
>> Looks like about 30% more user space CPU and 50% more system CPU.
> Strange. While stress testing 3.4.2 before release I had quite the
> opposite experience. No nice graphs to include, I just watched the XFCE
> CPU graph applet, and found it used ~50% less CPU than with 3.4.1 and
> the same configuration (standard openSUSE syslog-ng config with network
> source and destination added).
> Bye,

Evan Rempel                                      erempel at uvic.ca
Senior Systems Administrator                        250.721.7691
Data Centre Services, University Systems, University of Victoria

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