+1. omprog used to fork thousands of subprocess in rsyslog-v8(v7 is ok). After adding `forcesingleinstance`, most of those omprog actions(I have 400+ omprog actions in my rsyslog.conf) are OK now, but I can see a few actios still has two forks.
2015-12-06 5:16 GMT+08:00 Manoj Kumar <[email protected]>: > Anyone else experienced the same problem. Would really appreciate your > help. > > Manoj > > > On 4 December 2015 at 12:21, Manoj Kumar <[email protected]> wrote: > > > Hi David, > > I checked and both instances of client have same parent process with pid > > 3933. I was doing load testing with large bursts of log messages (100MB > in > > a minute) and then I noticed this behavior. Before using > > forcesingleinstance, rsyslog was spawning 4-5 instances of client to keep > > up with load. > > > > ubuntu@ip-10-35-157-45:~$ pstree -s -p 5600 > > init(1)���������rsyslogd(3933)���������client.py(5600) > > ubuntu@ip-10-35-157-45:~$ pstree -s -p 5605 > > init(1)���������rsyslogd(3933)���������client.py(5605) > > > > > > Manoj > > > > > > On 4 December 2015 at 11:50, David Lang <[email protected]> wrote: > > > >> On Fri, 4 Dec 2015, Manoj Kumar wrote: > >> > >> Hi, > >>> I am using Rsyslog v 8.14.0 with an external module written in Python > and > >>> integrated via omprog. I want rsyslog to spawn only single instance of > >>> external module and therefore use forcesingleinstance configuration. > The > >>> behavior I see is that > >>> > >>> - rsyslog spawns a process for client.py, then this process becomes > >>> inactive and rsyslog spawns another process. And the old one keeps > >>> lingering. > >>> - I do not want a lingering inactive process as it is consuming extra > >>> memory. > >>> > >>> How can I get rid of inactive lingering process. Thank you for your > help. > >>> > >>> local1.* action(type="omprog" binary="/home/ubuntu/client.py" > >>> queue.filename="elmo" queue.type="linkedlist" forcesingleinstance="on") > >>> > >>> > >>> e.g. top output > >>> > >>> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ > >>> COMMAND > >>> > >>> > >>> 5605 syslog 20 0 78.3m 25.6m 4.5m S 0.0 0.3 0:15.66 > >>> /usr/bin/python /home/ubuntu/client.py > >>> > >>> 5600 syslog 20 0 75.4m 22.7m 4.5m S 0.0 0.3 0:10.34 > >>> /usr/bin/python /home/ubuntu/client.py > >>> > >> > >> hmm, I only see one instance of things running on my systems (and I > don't > >> do the forcesingleinstance), if you do ps -ef |grep client.py does it > show > >> that they are both children of the same process? or are they children of > >> different processes? > >> > >> David Lang > >> > >> _______________________________________________ > >> rsyslog mailing list > >> http://lists.adiscon.net/mailman/listinfo/rsyslog > >> http://www.rsyslog.com/professional-services/ > >> What's up with rsyslog? Follow https://twitter.com/rgerhards > >> NOTE WELL: This is a PUBLIC mailing list, posts are ARCHIVED by a myriad > >> of sites beyond our control. PLEASE UNSUBSCRIBE and DO NOT POST if you > >> DON'T LIKE THAT. > >> > > > > > > > > -- > > ~Manoj > > > > > > -- > ~Manoj > _______________________________________________ > rsyslog mailing list > http://lists.adiscon.net/mailman/listinfo/rsyslog > http://www.rsyslog.com/professional-services/ > What's up with rsyslog? Follow https://twitter.com/rgerhards > NOTE WELL: This is a PUBLIC mailing list, posts are ARCHIVED by a myriad > of sites beyond our control. PLEASE UNSUBSCRIBE and DO NOT POST if you > DON'T LIKE THAT. > _______________________________________________ rsyslog mailing list http://lists.adiscon.net/mailman/listinfo/rsyslog http://www.rsyslog.com/professional-services/ What's up with rsyslog? Follow https://twitter.com/rgerhards NOTE WELL: This is a PUBLIC mailing list, posts are ARCHIVED by a myriad of sites beyond our control. PLEASE UNSUBSCRIBE and DO NOT POST if you DON'T LIKE THAT.

