its really bizzare because you can read all the manuals in the world and read all the responses on the mailing list, but 30 mins of a good developers time is priceless. I never even knew lnet didn't use tcp! Thats great stuff
On Mon, Aug 3, 2009 at 10:32 PM, Kevin Van Maren<[email protected]> wrote: > Yes, originally designed so multiple send() calls with small data have a > chance to be combined by TCP before being sent over the network -- improve > behavior of applications doing small writes. > > Setting tcp_nodelay disables Nagle, as the additional latency can hurt some > interactive session performance. > > Kevin > > > On Aug 4, 2009, at 10:35 AM, Brock Palen <[email protected]> wrote: > >> http://en.wikipedia.org/wiki/Nagle%27s_algorithm >> >> Looks like you intentionally hold up data to try to make fatter >> payloads in packets so they are not 99% header/crc data. Sounds like >> a way to make latency bad. >> >> Brock Palen >> www.umich.edu/~brockp >> Center for Advanced Computing >> [email protected] >> (734)936-1985 >> >> >> >> On Aug 3, 2009, at 8:20 PM, Mag Gam wrote: >> >>> Very nice. >>> >>> 15:54, what is "Nagle" ? >>> >>> He didn't say anything about SNS, but changeLogs seems very promising! >>> >>> >>> >>> On Mon, Aug 3, 2009 at 8:55 AM, Brock Palen<[email protected]> wrote: >>>> >>>> Thanks to Andreas for taking an hour out to talk with Jeff Squyres >>>> and >>>> myself (Brock Palen) about the Lustre cluster filesystem on our >>>> podcast www.rce-cast.com, >>>> >>>> You can find the whole show at: >>>> >>>> http://www.rce-cast.com/index.php/Podcast/rce-14-lustre-cluster-filesystem.html >>>> >>>> Thanks again! >>>> If any of you have requests of topics you would like to hear please >>>> let me know! >>>> >>>> Brock Palen >>>> www.umich.edu/~brockp >>>> Center for Advanced Computing >>>> [email protected] >>>> (734)936-1985 >>>> >>>> >>>> >>>> _______________________________________________ >>>> Lustre-discuss mailing list >>>> [email protected] >>>> http://lists.lustre.org/mailman/listinfo/lustre-discuss >>>> >>> >>> >> >> _______________________________________________ >> Lustre-discuss mailing list >> [email protected] >> http://lists.lustre.org/mailman/listinfo/lustre-discuss > _______________________________________________ Lustre-discuss mailing list [email protected] http://lists.lustre.org/mailman/listinfo/lustre-discuss
