Ok if I poll a router / switch / server etc it seems to be ok, a full scan on a 7606 takes around 45 seconds,
if I poll a radio, Ubiquiti Airfibre/ M5 . Rocket etc it seems to be slow, even when the radio is directly connected to the hosting switch as a test. The issue pops up when doing the ifindex - ifIndex: 1 2 3 5 6 7 8 9 (that takes 40 to 50 seconds)
o Caching Oids ifDescr ifType ifOperStatus ifAlias ifName ifHighSpeed ifInMulticastPkts ifOutMulticastPkts ifInBroadcastPkts ifOutBroadcastPkts ifHCInOctets ifHCOutOctets ifHCInUcastPkts ifHCOutUcastPkts ifHCInMulticastPkts ifHCOutMulticastPkts ifHCInBroadcastPkts ifHCOutBroadcastPkts ifInOctets ifOutOctets ifInUcastPkts ifOutUcastPkts ifInNUcastPkts ifOutNUcastPkts ifInDiscards ifOutDiscards ifInErrors ifOutErrors ifInUnknownProtos ifMtu ifSpeed ifPhysAddress ifAdminStatus ifLastChange ifPromiscuousMode ifConnectorPresent, ifIndex: 1 2 3 5 6 7 8 9 ADSL-LINE-MIB EtherLike-MIB dot3StatsDuplexStatus
The the other thing that had changed is that I was running a slightly older version of Observium on the VM server, still in the 79xx range not the 8003 version
On 24 Jul 2016, at 09:16, Lyndon Labuschagne lyndonl@mobiletorque.co.za wrote:
I know its bad form to reply to your own email but here is some more information re drive performance
root@observium:/opt/observium/rrd# hdparm -Tt /dev/mapper/observium--vg-root
/dev/mapper/observium--vg-root: Timing cached reads: 14428 MB in 2.00 seconds = 7218.63 MB/sec Timing buffered disk reads: 950 MB in 3.01 seconds = 315.94 MB/sec root@observium:/opt/observium/rrd# dd if=/dev/zero of=/tmp/output bs=8k count=10k; rm -f /tmp/output 10240+0 records in 10240+0 records out 83886080 bytes (84 MB, 80 MiB) copied, 0.125735 s, 667 MB/s
On 24 Jul 2016, at 09:13, Lyndon Labuschagne lyndonl@mobiletorque.co.za wrote:
Hi All
I have moved from a VM server to a physical server. as the VM was taking a bit of a pounding, graph dropouts etc The physical server is a dual quad core Xeon, 2.66Ghz with 128GB of RAM and a 32GB ramdisk, and rrdcache I also have 2.5TB or SAS storage in a raid6 config Will all of this my average poller-wrapper time is around 60 to 70 seconds per device if I manually run an snmpwalk a single device takes around 6 seconds
I have also disabled the ramdisk, rrdcached etc and I am not seeing much of a difference either way
I have around 900 devices and the VM server was way faster, any idea where to start looking for a bottleneck?
Regards Lyndon _______________________________________________ observium mailing list observium@observium.org http://postman.memetic.org/cgi-bin/mailman/listinfo/observium
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