#4421 (Monitor availability and response time of our servers)

by Luc Saffre · in Hosting (system administration) · assigned to Luc Saffre

#4587 (Jane is sometimes slow) (by Luc Saffre in Hosting (system administration) assigned to hannes)

1 year, 6 months ago by Luc Saffre about #4421 (Monitor availability and response time of our servers) : After consulting the monit docs, I added the following entry to the /etc/monit/conf.d/lino.conf file on jane:
check system $HOST if memory usage > 75% for 5 cycles then alert
1 year, 6 months ago by Luc Saffre about #4421 (Monitor availability and response time of our servers) : But monit should send out a warning when free memory gets too low. A normal number 500MB, Jane had only 75.
1 year, 6 months ago by Luc Saffre about #4421 (Monitor availability and response time of our servers) : I disabled one Lino site, "ets", which anyway wasn't used. Afterwards showservers showed normal free RAM numbers again.
1 year, 6 months ago by Luc Saffre about #4421 (Monitor availability and response time of our servers) : Yesterday and today, Jane was very slow to respond several times per day, each time for a minute or two. During these times showservers.sh said that it didn't get a connection. And when it succeeds, it shows clearly that jane hasn't enought free memory:
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