On Tue, Jun 5, 2012 at 3:10 PM, Jussi Silvennoinen <[email protected]> wrote: >> I've been noticing lots of annoying problems with XFS performance with >> RHEL6.2 on 64bit. I typically have 20-30 TB file systems with data >> structured in directories based on day of year, product type, for example, >> >> /data/2012/06/05/product/blah.gif >> >> Doing operations like tar or rm over these directories bring the system to >> a grinding halt. Load average goes vertical and eventually the power button >> needs to be pressed in many cases :( A hack workaround is to break apart the >> task into smaller chunks and let the system breath in between operations... >> >> Anyway, I read Ric Wheeler's "Billion Files" with great interest >> >> >> http://www.redhat.com/summit/2011/presentations/summit/decoding_the_code/thursday/wheeler_t_0310_billion_files_2011.pdf >> >> It appears there are 'known issues' with XFS and RHEL6.1. It does not >> appear these issues were addressed in RHEL 6.2? >> >> Does anybody know if these issues were addressed in the upcoming RHEL 6.3? >> My impression is that upstream fixes for this only recently (last 6 months?) >> appeared in the mainline kernel. >> >> Perhaps I am missing some tuning that could be done to help with this? > > > Enabling lazy-count does wonders for workloads that involve massive amounts > of metadata. Unfortunately it's a mkfs-time option only AFAIK.
Thanks, but it was already enabled... daryl _______________________________________________ rhelv6-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/rhelv6-list
