Date: Wed, 3 Nov 1999 16:14:01 -0800 (PST) From: John Polstra <jdp@polstra.com> To: cmsedore@mailbox.syr.edu Cc: hackers@freebsd.org Subject: Re: aio Functions Message-ID: <199911040014.QAA49756@vashon.polstra.com> In-Reply-To: <Pine.SOL.4.10.9911031756080.24901-100000@rodan.syr.edu> References: <Pine.SOL.4.10.9911031756080.24901-100000@rodan.syr.edu>
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In article <Pine.SOL.4.10.9911031756080.24901-100000@rodan.syr.edu>,
Christopher Sedore <cmsedore@mailbox.syr.edu> wrote:
>
> I've got a set of patches that fix this and the fact that signals don't
> get issued for completion on certain types of requests. I'm hoping to get
> it committed, but feel free to contact me for the latest stuff until then.
> I just finished updating and consolidating my patches so they cleanly
> apply to -current of a week ago. Testing thus far appears promising--I'm
> balancing more than a few sockets and pushing 10MB/sec through them (disk
> to socket and the inverse). I killed the last bug I knew of this week
> (occasionally paniced under some wierd process shutdown conditions).
>
> I hope to try 1000 descriptors soon.
That's great news! So have you gotten rid of some of these absurdly
low fixed limits?
vfs.aio.max_aio_per_proc: 32
vfs.aio.max_aio_queue_per_proc: 256
vfs.aio.max_aio_procs: 32
vfs.aio.max_aio_queue: 1024
vfs.aio.max_buf_aio: 16
And worst of all:
#define AIO_LISTIO_MAX 16
John
--
John Polstra jdp@polstra.com
John D. Polstra & Co., Inc. Seattle, Washington USA
"No matter how cynical I get, I just can't keep up." -- Nora Ephron
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