I'm experiencing the same problem. One of our machines is receiving in
excess of 1.2 million flows per 5 minutes. Cflowd will continue to use more
and more memory until the machine runs completely out. Sometimes it will grow
up to 650 Mb in a single day. Because of this I am forced to restart Cflowd 3
times a day. I know this is more data than cflowd was targeted to handle, but
shouldn't it just keep data in memory for a short time? Could there be a
memory leak that becomes apparent when cflowd receives an extreme amount of
data? On another machine that only receives 300,000 flows every 5 minutes,
the memory usage stabilizes out at about 60MB. This still is a lot, but at
least it doesn't keep on growing. Has anyone else had this problem? I too am
wondering why cflowd needs so much memory.
"Miguel A.L. Paraz" wrote:
> I'm collecting from 3 routers at up to 150,000 flows per 5 minute
> period. Why does cflowd grow to 30 MB of RAM usage? Does it keep anything
> in memory after writing to disk?
> I don't use cfdcollect, I just use the raw flow files.
> All clues appreciated.
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