On 03/15/2017 12:55 PM, Daniel P. Berrange wrote: > Linux still defaults to a 1024 open file handle limit. This causes > scalability problems for libvirtd / virtlockd / virtlogd on large > hosts which might want > 1024 guest to be running. In fact if each > guest needs > 1 FD, we can't even get to 500 guests. This is not > good enough when we see machines with 100's of physical cores and > TBs of RAM. > > In comparison to other memory requirements of libvirtd & related > daemons, the resource usage associated with open file handles > is essentially line noise. It is thus reasonable to increase the > limits unconditionally for all installs.
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