Subject: Re: Limiting disk I/O?
To: None <>
From: Michael van Elst <>
List: tech-kern
Date: 12/02/2007 21:07:07 (Jukka Marin) writes:

>If I could limit the softdep flush to always keep some 10% of disk I/O
>available, the machine would not stop completely during the flush operation.

Obviously other operations are slower when the disk is busy, but the
real problem is that you don't have free buffers.

I wonder if simply slowing down buffer allocations with the number of dirty
buffers helps.

                                Michael van Elst
                                "A potential Snark may lurk in every tree."