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SubjectRe: Avoiding OOM on overcommit...?
On Mon, 20 Mar 2000, Jesse Pollard wrote:

>Without overcommit:
> You can support 100 simultaneous connections, with full saturation of
> each server, with no failures.
>
> Result: happy customers, happy management, maybe even a raise.
>
>If you overcommit:
> You might support 100 simultaneous connections, but not full saturation
> of each server, without aborting some connections or crashing the
> server/system.
>
> Result: some unhappy customers, not so happy management, difficulty
> in identifying problems, and definitely no raise.
>
>So you used 2G byte of swap - I know where you can by 18GB of swap for about
>$300 US...

That's very misleading. In fact if you give the overcommitted system the
same amount of VM, it will work just fine.

In other words, turning off overcommit isn't what saves you. You added
more memory!

David Whysong dwhysong@physics.ucsb.edu
Astrophysics graduate student University of California, Santa Barbara
My public PGP keys are on my web page - http://www.physics.ucsb.edu/~dwhysong
DSS PGP Key 0x903F5BD6 : FE78 91FE 4508 106F 7C88 1706 B792 6995 903F 5BD6
D-H PGP key 0x5DAB0F91 : BC33 0F36 FCCD E72C 441F 663A 72ED 7FB7 5DAB 0F91


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