On Thu, Jul 11, 2013 at 10:34:06AM -0700, Gurucharan Shetty wrote: > On Thu, Jul 11, 2013 at 10:22 AM, Ben Pfaff <b...@nicira.com> wrote: > > > On Thu, Jul 11, 2013 at 09:37:45AM -0700, Gurucharan Shetty wrote: > > > Signed-off-by: Gurucharan Shetty <gshe...@nicira.com> > > > > I'm not sure it's worth mentioning the 65,280 port limit, because it's > > about the same as the maximum number of file descriptors. > > > > At first thought, these limits seemed Linux specific, but I think that > > FreeBSD also needs a file descriptor per port (for a pcap handle), so > > maybe it's not worth saying that it is Linux specific. The final note > > about performance beyond 1,024 ports is definitely specific to the > > Linux kernel datapath though. > > > Okay. How about the following wording? > > ovs-vswitchd started through ovs-ctl provides a limit of 5000 file > descriptors. Creation of a single bridge consumes 3 file descriptors and > adding a port consumes 1 file descriptor. The limits on the number of > bridges and ports is decided by the availability of file descriptors. (For > Linux kernel datapath, performance will degrade beyond 1,024 ports per > bridge due to fixed hash table sizing.)
I like it. Thank you. _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
