On Saturday, January 15, 2011 12:57:18 am Claudio Baeza Retamal wrote: > Dears folks, > > last month, I have configured lustre 1.8.5 over infiniband, before, I > was using Gluster 3.1.2, performance was ok but reliability was wrong, > when 40 or more applications requested at the same time for open a > file, gluster servers bounced randomly the active connections from > clients. Lustre has not this problem, but I can see others issues, for > example, namd appears with "system cpu" around of 30%, hpl benchmark > appears between 70%-80% of "system cpu",
This is certainly an indication of something being very wrong (not necessarily lustre). hpl does very minimal I/O and only a completely broken filesystem would cause 70-80% "system cpu". /Peter
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