Page ins/outs
- Thread starter rAph
- Start date
ElDiabloConCaca
U.S.D.A. Prime
"Page Ins" are pages read into memory from disk -- but not necessarily the VM file on the disk... it could be as simple as launching a program that hasn't been launched before on this login, causing portions of the program to be read into memory, or "paged in."
"Page outs" are memory pages written to the disk, which is always (eh, 99.9%) the VM file. "Page outs" are one thing keep an eye on to gauge memory usage -- if your page outs are high, then you're swapping a lot of RAM to disk, which could indicate that you need or could use more.
"Page outs" are memory pages written to the disk, which is always (eh, 99.9%) the VM file. "Page outs" are one thing keep an eye on to gauge memory usage -- if your page outs are high, then you're swapping a lot of RAM to disk, which could indicate that you need or could use more.
bobw
The Late: SuperMacMod
Pageins occur anytime something is moved into Active RAM whether that is from Inactive RAM, the swapfile(s), or another file on the hard drive.
Pagouts occur anytime anything is moved out of Active RAM which includes mapping into Inactive RAM, as well as writing to a Swapfile. Only data is ever written to the hard drive since instructions are already on the hard drive.
Pagouts occur anytime anything is moved out of Active RAM which includes mapping into Inactive RAM, as well as writing to a Swapfile. Only data is ever written to the hard drive since instructions are already on the hard drive.
