Messages in this thread | | | Date | Sat, 2 Feb 2002 16:03:03 +0100 (CET) | From | Roy Sigurd Karlsbakk <> | Subject | Re: Errors in the VM - detailed |
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On Sat, 2 Feb 2002, Jens Axboe wrote:
> On Sat, Feb 02 2002, Roy Sigurd Karlsbakk wrote: > > > Jens said earlier "Roy, please try and change > > > the queue_nr_requests assignment in ll_rw_blk:blk_dev_init() to > > > something like 2048." - Roy have you tested this too? > > > > No ... Where do I change it? > > drivers/block/ll_rw_blk.c:blk_dev_init() > { > queue_nr_requests = 64; > if (total_ram > MB(32)) > queue_nr_requests = 256; > > Change the 256 to 2048.
Is this an attempt to fix the problem #2 (as described in the initial email), or to further improve throughtput?
Problem #2 is _the_ worst problem, as it makes the server more-or-less unusable
-- Roy Sigurd Karlsbakk, MCSE, MCNE, CLS, LCA
Computers are like air conditioners. They stop working when you open Windows.
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