On 12 May 2016 at 07:36, Ben Meyer <ben.me...@rackspace.com> wrote: > On 05/11/2016 03:23 PM, Samuel Merritt wrote:
> Have you tried putting the file into non-blocking mode? > From the above description is doesn't sound like you have. The limitation here is a kernel limitation. Squid has workarounds for exactly the same thing - and it has drivers for AIO too, and *they* still need to deal with blocking file descriptors for actual physical IO. Sadly, 'everything is a file' breaks down when they don't all behave consistently. The pattern of having a worker thread for physical IO is a good pattern (on Linux), at least last I heard the underlying problems have not been solved. -Rob -- Robert Collins <rbtcoll...@hpe.com> Distinguished Technologist HP Converged Cloud __________________________________________________________________________ OpenStack Development Mailing List (not for usage questions) Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
