Hi, I am running nagios on a 2.5 GHZ 4-core 64 bit machine running RHEL5. I am seeing some performance issue in Nagios. I am doing failover setup. I have another similar machine which has identical config but not doing any active checks. My master machine sends check result using NSCA. Now I can not determine why my master machine is lacking in performace. I will paste my performance data below. I also have another question about dependency.
1) if a HOST is down, does the service checks still happens? I would like to setup a dependency where if host is down no service check should take place. How do I go about setting this up. An exapmple will be much appreciated. 2) How can I start troubleshooting my performance issue? Thanks in advance. Nagios Stats 3.0.6 Copyright (c) 2003-2008 Ethan Galstad (www.nagios.org) Last Modified: 12-01-2008 License: GPL CURRENT STATUS DATA ------------------------------------------------------ Status File: /var/log/nagios/status.dat Status File Age: 0d 0h 0m 12s Status File Version: 3.0.6 Program Running Time: 0d 12h 12m 21s Nagios PID: 9719 Used/High/Total Command Buffers: 0 / 1 / 4096 Total Services: 3342 Services Checked: 3342 Services Scheduled: 3342 Services Actively Checked: 3342 Services Passively Checked: 0 Total Service State Change: 0.000 / 43.680 / 0.171 % Active Service Latency: 1574.556 / 1731.304 / 1684.508 sec Active Service Execution Time: 0.069 / 15.094 / 0.519 sec Active Service State Change: 0.000 / 43.680 / 0.171 % Active Services Last 1/5/15/60 min: 47 / 389 / 1287 / 3342 Passive Service Latency: 0.000 / 0.000 / 0.000 sec Passive Service State Change: 0.000 / 0.000 / 0.000 % Passive Services Last 1/5/15/60 min: 0 / 0 / 0 / 0 Services Ok/Warn/Unk/Crit: 2955 / 23 / 351 / 13 Services Flapping: 8 Services In Downtime: 0 Total Hosts: 3037 Hosts Checked: 3005 Hosts Scheduled: 3030 Hosts Actively Checked: 3037 Host Passively Checked: 0 Total Host State Change: 0.000 / 39.210 / 0.146 % Active Host Latency: 0.000 / 1729.854 / 1569.654 sec Active Host Execution Time: 0.000 / 30.011 / 1.821 sec Active Host State Change: 0.000 / 39.210 / 0.146 % Active Hosts Last 1/5/15/60 min: 50 / 341 / 926 / 2387 Passive Host Latency: 0.000 / 0.000 / 0.000 sec Passive Host State Change: 0.000 / 0.000 / 0.000 % Passive Hosts Last 1/5/15/60 min: 0 / 0 / 0 / 0 Hosts Up/Down/Unreach: 2852 / 185 / 0 Hosts Flapping: 12 Hosts In Downtime: 0 Active Host Checks Last 1/5/15 min: 77 / 376 / 1013 Scheduled: 68 / 346 / 940 On-demand: 9 / 30 / 73 Parallel: 69 / 349 / 944 Serial: 0 / 0 / 0 Cached: 7 / 27 / 69 Passive Host Checks Last 1/5/15 min: 0 / 0 / 0 Active Service Checks Last 1/5/15 min: 69 / 405 / 1308 Scheduled: 69 / 405 / 1308 On-demand: 0 / 0 / 0 Cached: 0 / 0 / 0 Passive Service Checks Last 1/5/15 min: 0 / 0 / 0 External Commands Last 1/5/15 min: 0 / 0 / 0 -- Cordially, Shadhin Rahman
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