Messages in this thread |  | | Date | Fri, 5 Jan 2001 17:17:59 -0200 (BRST) | From | Marcelo Tosatti <> | Subject | Re: swapin readahead pre-patch (what about the code?) |
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On Fri, 5 Jan 2001, Andreas Dilger wrote:
> I suppose the other area to look at is how pages are layed out when > they are swapped to disk. If you go from medium memory pressure (where > unused pages have been swapped already) to thrashing, then if you can > put the remaining pages of each program to swap contiguously, then swap > read-ahead will be a net win, because you are likely to need all of them > again to run the program.
Swap space preallocation should help on that issue.
I hope to try out that soon after I've finished and benchmarked the swapin readahead patch.
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