Am 20.02.2012 13:48, schrieb Devdas Bhagat: > On Sun, Feb 19, 2012 at 04:59:39PM +0100, Wolfgang wrote: >> Am 15.02.2012 16:04, schrieb Devdas Bhagat: >>> We have multiple Nagios instances monitoring over multiple >>> datacenters (one per datacenter). We are now trying to simplify the >>> monitoring and alerting setup. >>> >>> We are trying to setup an Icinga instance to accept >>> notifications from our active pollers and simplify alerting and >>> reporting. At the moment, the required feature is the Icinga web >>> interface (to allow each group to have it's own custom views of data), >>> which requires us to use the ido backend. >>> >>> Current testing has shown that the ido backend isn't able to >>> keep up with data volumes. However, the non ido setup can keep up with >>> current feed volumes (about 70-80 passive check results/second). >>> We are monitoring about 21000 services over 1700 hosts (and growing). >>> >>> Does anyone have suggestions on scaling this up/out? >>> >>> I am looking at using multiple instances of Icinga as collectors (one >>> feed per datacenter), and one reporting instance, all talking to the >>> same backend database (if that is possible). >>> >>> top(1) indicates: >>> PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND >>> 5309 icinga 25 0 293m 137m 2692 R 100.0 0.3 61:03.65 icinga >>> >>> That's on two feeds worth of input. >>> >>> This host has spare CPU and RAM, but is relatively limited on disk-io. >>> >>> Devdas Bhagat >>> >> No information on OS, Icinga version, used RDBMS, location of RDBMS >> files, temporary files. > The OS is CentOS 5.6 64 bit, the RDBMS is MySQL (5.5.16), Icinga is > icinga-1.6.1-1.el5.rf running on a 24 core machine with 48 GB of RAM > with databases and temp files on local disk. > >> Is it pure hardware or a VM, locally attached disks? >> What about latencies? >> > Latency from iostat -x 1 showed about 5ms, with 92-95% disk utilization. > > Devdas Bhagat > > Have you had a look at http://docs.icinga.org/latest/en/tuning.html already? Have a look at http://docs.icinga.org/latest/en/temp_data.html as well.
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