Hi all. Im sending collectd values from a postgres DB to our collectd central
server.
In DB, there is using postgres plugin like:
<Query db_movements>
Statement "select sum(numbackends) as backends, sum(tup_inserted) as inserts,
sum(tup_updated) as updates, sum(tup_deleted) as deletes
from pg_stat_database;"
<Result>
Type gauge
InstancePrefix total_backends
ValuesFrom "backends"
</Result>
</Query>
<Database template1>
Interval 10
Host localhost
User postgres
Query db_movements
</Database>
And, in the "central" collectd server i want to set a threshold for that
server, so
" If that db server is over 100 connections in use, ALERT "
At that point, i got confused about how to get it work.
I have something like that:
<Host "db_server">
<Plugin "postgresql-template1">
<Instance "total_backends">
FailureMax 100.0
</Instance>
</Plugin>
</Host>
It throws no error, but even if i put a FailureMax of 2 or so, alert is not
raising.
So, anyone can help me to know to set that alert?
Thanks
Gerardo
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