Subject: Re: ioflush is taking excessive cycles on a big-memory machine
To: Greg A. Woods <woods@weird.com>
From: Jonathan Stone <jonathan@dsg.stanford.edu>
List: tech-kern
Date: 04/04/2005 19:53:24
In message <m1DIbLI-0024fjC@building.weird.com>,
"Greg A. Woods" writes:

>Something I've done has got my big AlphaServer (with 16GB of RAM) into a
>state where the [ioflush] thread is chewing up a minimum of "25%"
>(according to 'top') of the (a?) CPU, and at times it jumps up to 50% or
>higher.  This also makes the machine very sluggish -- just typing to the
>command-line can have multi-second lag between keystroke and echo (with
>command-line editing).

[...]

I've lost track, sorry.  Is this 1.6 again, or something newer?