> Running Rocks 4.1 on a 30 node system and seeing serious RX packet > loss, drops and overruns while running heavy MPI i/o over e1000. I have
e1000, at least some chips, have interrupt-mitigation. you should use ethtool to query these settings. you might also tweak vm.min_free_kbytes. how about the qlen as seen by ip/ifconfig? also, have you tuned the *mem settings for the net stack itself like net.core.rmem_max? _______________________________________________ Beowulf mailing list, [email protected] To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
