Re: Swapping

2003-10-13 Thread Perrin Harkins
On Mon, 2003-10-13 at 11:02, Kyle Dawkins wrote: > You must, at ALL times, keep your machine from swapping out Apache > children. Good advice. To go a step firther, this is all covered in detail in the mod_perl documentation here: http://perl.apache.org/docs/1.0/guide/performance.html#Performance

Re: Swapping

2003-10-13 Thread Kyle Dawkins
Mike I'm pretty sure you're experiencing a standard problem that most of us have been bitten by at one stage or another. Ged is right when he says that 120 apache children at 40MB a pop will eat your RAM up. The piece of the puzzle that you're missing is this: due to the dopey VM code in Linux,

RE: Swapping

2003-10-13 Thread Mike Norton
Ged, >Do you have a single mod_perl server setup? If you have mod_perl >scripts both serving static documents and waiting on Oracle you might >want to investigate using a light/heavy server approach. A front-end >(Apache only) server accepts all requests, and passes those that need >Perl to the

RE: Swapping

2003-10-13 Thread Ged Haywood
Hi there, On Mon, 13 Oct 2003, Mike Norton wrote: > we have set the MaxClients to 120 Clients and also set the > MaxRequestsPerChild to 100 to try to resolve this problem however it > still occurs under these conditions. The largest process is about > 40M (4MB shared) If you have 120 clients eac

RE: Swapping

2003-10-13 Thread Mike Norton
2003 13:57 To: Mike Norton Cc: [EMAIL PROTECTED] Subject: Re: Swapping Hi there, On Mon, 13 Oct 2003, Mike Norton wrote: > [snip] under a heavy load it all of a sudden consumes a large amount > of swap and the server load shoots through the roof [snip] Does > anyone have any ideas

Re: Swapping

2003-10-13 Thread Ged Haywood
Hi there, On Mon, 13 Oct 2003, Mike Norton wrote: > [snip] under a heavy load it all of a sudden consumes a large amount > of swap and the server load shoots through the roof [snip] Does > anyone have any ideas on how to resolve this issue or why it happens No idea why it happens, you haven't gi