Hello,
I am looking for capping parameters of swap area for zones.
We are consolidating independent applications to one physical box. I want to
share CPU power only, and use strict memory caps.
What I found is "max-swap" and "capped-memory , physical"
"capped-memory , physical" looks fine, to control physical memory available for
a zone.
"max-swap" seems to limit virtual memory (swap area on disk plus physical
memory).
Thus in a theoretical example:
if I have two zones migrated from a physical boxes with 8G RAM, 16G swap, I
need to give them
8G as physical limit
16+8 as max-swap limit
to reach the similar environment.
These two zones would need 32G swap space.
My concern is that there is no parameter for limiting swap area on disk !
Thus if one zone is idle, it might swapped out almost completely, occupying
16+8=24G swap space, leaving only 8G swap space to the other zone.
Do you have better capping setup to avoid such a situation ?
Thank You,
Zsolt
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