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144564k
2009 Nov 16
1
Why swap if there's still physical memory available
...is just a general question related to memory management, and there
may have been a thread or two about it before, but I'd like to post anyway.
A user was looking at top, whereby he found out that his two processes
were 10.2g and 4836m in VIRT. They were 6.4g and 4.6g in RES
respectively. 3445964k was free still. He was wondering why the system
didn't use all of the physical memory available (16300960k total) before
swapping out parts of the processes.
Over time, the 10.2g process had about 8g of it in SWAP. The 4836m
process only had about 100m in SWAP. Much of the physical space...