Greetngs Centos6 64 bits machine, liboping 1.5.1, collectd 5.4.1. I am trying to use collectd to monitor ping time and interface traffic of upwards of a 150 hosts, using ping plugin. If I configure all of them, however, the plugins reports high number (up to not getting any data at all) of NaNs on hosts that are perfectly (o)pingable from the CLI. I have worked on pinpointing the problem on the number of configured hosts:
failures begin when trying to ping upwards of 59 hosts, at which point the collectd process has about 63 sockets open. So it seems someone is having a problem with more than that amount of sockets. It does not appear to be a hard limit, however, because, configuring 116 hosts in theing plugin, I can see collectd opening 118 sockets. So it could be a per thread thing or something within liboping or....? Advanced thanks and cheers, alf
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