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Top Forums UNIX for Advanced & Expert Users Nearly Random, Uncorrelated Server Load Average Spikes Post 303044125 by Neo on Friday 14th of February 2020 09:48:03 AM
Old 02-14-2020
Exactly Victor,

It's not a big deal because the spikes are just for a minute 4 to 6 times a day; but the problem is when (potentially) all the "bad things" align all at once (bots, DB, system loads), and the one minute problem becomes a two or three minute problem (it's possible, of course).

I'm going to refine my instrumentation and see if I can figure it out. If so, great. Normally, I can solve most any system-level computer problem and with (more than) a bit of uncertainty in the new COVID-19 biohazard around these parts, I'm not so keen in going out with so many tourists here now (none of the foreign tourists are wearing masks, as I can see today, and there are a LOT of tourists now) ; so this little spike problem is keeping me busy inside, avoiding a potential virus from Chinese wildlife markets.
 

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ruptime(1)						      General Commands Manual							ruptime(1)

NAME
ruptime - show status of local machines SYNOPSIS
DESCRIPTION
outputs a status line for each machine on the local network that is running the daemon. status lines are formed from packets broadcast once every 3 minutes between daemons (see rwhod(1M)) on each host on the network. Each status line has a field for the name of the machine, the status of the machine (up or down), how long the machine has been up or down, the number of users logged into the machine, and the 1-, 5- and 15-minute load averages for the machine when the packet was sent. The status of the machine is reported as ``up'' unless no report has been received from the machine for 11 minutes or more. The length of time that the machine has been up is shown as: Load averages are the average number of jobs in the run queue over the last 1-, 5- and 15-minute intervals when the packet was sent. An example status line output by might be: The above status line would be interpreted as follows: is presently ``up'' and has been up for 1 day, 5 hours and 15 minutes. It currently has 7 users logged in. Over the last 1-minute inter- val, an average of 1.47 jobs were in the run queue. Over the last 5-minute interval, an average of 1.16 jobs were in the run queue. Over the last 15-minute interval, an average of 0.80 jobs were in the run queue. If a user has not used the system for an hour or more, the user is considered idle. Idle users are not shown unless the option is speci- fied. Options If no options are specified, the listing is sorted by host name. Options change sorting order as follows: Sort by load average. Sort by up time. Sort by the number of users. Reverse the sort order. DIAGNOSTICS
No status report files in Ask the system administrator to check whether the daemon is running. AUTHOR
was developed by the University of California, Berkeley. FILES
Data files SEE ALSO
rwho(1), rwhod(1M). ruptime(1)
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