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Comments
given all of the pop3/etc, you're likely getting flooded by brutes.
Francisco
thanks @Francisco, but how do you explain the CPU utilization?
btw, my.frantech.ca is down
Yes I know, I'm in the midst of updating the hardware
Francisco
A possibility is that there are enough processes spawned off (as a result of thebrute force flood) to push you over your physical RAM limit, and now the system is thrashing moving pages in and out of swap.
Actually dovecot processes are not what I concern but the CPU usage. Htop reports 4 cores are maxed out while I see no process is using CPU at all hence my post here
What does regular top show?
What's the output of
That sounds to me like heavy abusers in the same node.
Pretty much the same.
I lean toward this assumption but I just don't understand why htop reports usage of another container?
No, isn't another container. The CPU time that you are able to use is so small, then every proces that you run uses all the cpu.
But is just a theory.
I guess you already submitted a ticket or something
What shows top in the row
?
@haphan I wasn't saying that the processes that are spawned off themselves are using CPU, I was implying that the system itself is burning up CPU cycles paging in and out of swap to support those zombie'ish processes.