Re: [RFC PATCH 00/14] nfsd/sunrpc: add support for a workqueue-based nfsd
From: Tejun Heo
Date: Tue Dec 02 2014 - 14:29:29 EST
Hello, Jeff.
On Tue, Dec 02, 2014 at 02:26:27PM -0500, Jeff Layton wrote:
> I'm already using WQ_UNBOUND workqueues. If that exempts this code from
> the concurrency management, then that's probably not the problem. The
> jobs here aren't terribly CPU intensive, but they can sleep for a long
> time while waiting on I/O, etc...
Yeap, noticed that. Replied in another message.
> I don't think we necessarily need CPU locality (though that's nice to
> have of course), but NUMA affinity will likely be important. It looked
> like you had done some work a year or so ago to make unbound workqueues
> prefer to queue work on the same NUMA node which meshes nicely with
> what I think we want for this.
Yeap, unbound workqueues are NUMA-affine by default.
Thanks.
--
tejun
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/