Hi guys,
Currently, my mongodb of graylog production stage reached 99% of CPU Usage.
This happened suddenly in the afternoon.
Still figuring out the root cause but i have no idea how to debug deeply.
I have scaled up the mongodb VM from 2 cores to 4 cores but still reach ~99%
My Graylog version is
Version:
3.2.6+e255fcc, codename *Ethereal
Wondering if you guys can share or have experienced more in mongodb and help me to solve this. Really appreciate 
Hi Merces,
Not running a cluster here so not really a clue.
You could start at the server logfile of graylog and see if anything is happening there.
How many connections are there between graylog and mongo.
Has there been a configuration chance that could cause things running wild?
Is network okay between the cluster nodes?
Is mongod automatically updated?
Is java updated, i have seen things coming by with java updates causing strange things.
Is your ES cluster green?
Kind greetings,
Arie
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