Hi Paul, Jan 27 Paul Mansfield wrote:
> We have had a significant number of problems with smokeping client > consuming all the memory on a server, we've had these grow to 12GB in > the worst case! > > There appear to be two problems, probably related. > > * One is that the slave can't communicate with the master for a while > and the smokeping slave cache builds up a backlog of work, and then it > is unable to send the data. > > * The other problem is that the slave process, e.g. usually FPing, > gets wedged and becomes larger and larger. > > > the clue to the first problem are lines like this in the Apache error log: > > [Mon Jan 27 12:12:42 2014] [warn] [client w.x.y.z] mod_fcgid: HTTP > request length 394304 (so far) exceeds MaxRequestLen (393216) > > To resolve this, you have to kill-9 the smokeping slave, and any child > processes like FPing, then remove everything in the ~smokeping/cache > directory. Then it's safe to restart. > > > It's probably worth setting a larger number than the default in apache > config anyway to allow slaves to catch up... e.g. > FcgidMaxRequestLen 131072 > > but if you find anything larger than that it probably means something > else has gone wrong. hmmm never seen such a problem ... 12GB ist VERY much ... for how long has the slave been 'offline' when this happens? and how large is a normal 'submission' by the slave ? cheers tobi -- Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland http://it.oetiker.ch t...@oetiker.ch ++41 62 775 9902 / sb: -9900 _______________________________________________ smokeping-users mailing list smokeping-users@lists.oetiker.ch https://lists.oetiker.ch/cgi-bin/listinfo/smokeping-users