[collectd] Too many open files

Domagoj Mikac domagoj.mikac at metronet.hr
Wed Aug 19 13:25:46 CEST 2009


I have created a <Plugin snmp> section with appropriately 2300 devices.
Configuration for each device looks as follows (Device name and ip
address is set for each device differently).

        <Host "DEVICE_NAME">
                Address "DEVICE_IP_ADDRESS"
                Version 2
                Community "COMMUNITY_STRING"
                Collect "unicast_traffic64" "nonunicast_packets"
"discarded_packets" "errored_packets"

After starting collectd process it creats RRD files for only 1257
devices (RRDs for more than 1000 devices are not created, even though I
have enough free space on disk)

At the same time I get the following error in log file:

[2009-08-19 12:15:56] rrdtool plugin: rrd_update_r
(/opt/collectd/rrd/test.rrd) failed: opening
'/opt/collectd/rrd/test.rrd': Too many open files
[2009-08-19 12:19:20] rrdtool plugin: rrd_update_r
(/opt/collectd/rrd/test.rrd) failed: mmaping file
'/opt/collectd/rrd/test2.rrd': Invalid argument

Please help. 


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