UNIX Load Average
UNIX Load Average: Today suddenly I got alert from Nagios Like "**Current Load is CRITICAL **". After that I have verified the LA on system and Nagios configuration as well. After doing some further research I have come to know about some interesting topic i.e. "What is Load Average" and "How LA is being calculated". So sharing the thing that I have found. Actually, load average is not a UNIX command in the conventional sense. Rather it’s an embedded metric that appears in the output of other UNIX commands like uptime and procinfo. These commands are commonly used by UNIX sysadmin’s to observe system resource consumption. Uptime : The uptime shell command produces the following output: [pax:~]% uptime 9:40am up 9 days, 10:36, 4 users, load average: 0.02, 0.01, 0.00 It shows the time since the system was last booted, the number of active user processes and something called the load average. W The w(ho) command produces...