Messages in this thread | | | Subject | Re: strange swap behaviour - test11pre4 | From | Christoph Rohland <> | Date | 03 Jan 2001 20:49:25 +0100 |
| |
Craig Schlenter <craig@qualica.com> writes:
> [snip, vmstat stuff, me] > > There is a perl program running (80 Meg's in size, 20 Megs > > resident) that is chatting to a database and building up a large > > hash in memory. The machine has 64M of RAM. The bit that doesn't > > make sense is why the cache is so large - the VM seems to have got > > stuck paging in stuff from swap repeatedly (bits of the perl > > program it would seem). Surely it should shrink the cache to > > provide more breathing room or am I being an idiot about this? > > $idiot++;
You probably got fooled by the new vm: All shm pages are now in the page cache and thus appear as 'cached'. But they cannot be shrinked away...
So I would vote for $idiot--; ;-)
Greetings Christoph
P.S: I expect this to become an FAQ
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
| |