Bharata B Rao wrote:
Another way is to place the 8 groups in a container group, and limit
that to 80%. But that doesn't work if I want to provide guarantees to
several groups.
Hmm why not ? Reduce the guarantee of the container group and provide
the same to additional groups ?
This method produces suboptimal results:
$ cgroup-limits 10 10 0
[50.0, 50.0, 40.0]
I want to provide two 10% guaranteed groups and one best-effort group.
Using the limits method, no group can now use more than 50% of the
resources. However, having the first group use 90% of the resources
does not violate any guarantees, but it not allowed by the solution.
#!/usr/bin/python
def calculate_limits(g, R):
N = len(g)
if N == 1:
return [R]
s = sum([R - gi for gi in g])
return [(s - (R - gi) - (N - 2) * (R - gi)) / (N - 1)
for gi in g]
import sys
print calculate_limits([float(x) for x in sys.argv[1:]], 100)
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
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