Re: [gridengine users] 10GbE TOR's and performance tuning.

2012-09-13 Thread Alex Chekholko
On 09/12/2012 09:30 PM, Jake Carroll wrote: Hi all. I saw a question on this the other day, and thought I'd ask my own similar (but not the same) question. We have 10GbE interconnects for all our cluster work within SGE/OGE. Storage is provided via 10GbE TOR's served out over NFS to all nodes.

Re: [gridengine users] 10GbE TOR's and performance tuning.

2012-09-13 Thread Jesse Becker
On Thu, Sep 13, 2012 at 12:30:10AM -0400, Jake Carroll wrote: Hi all. I saw a question on this the other day, and thought I'd ask my own similar (but not the same) question. We have 10GbE interconnects for all our cluster work within SGE/OGE. Storage is provided via 10GbE TOR's served out ove

Re: [gridengine users] 10GbE TOR's and performance tuning.

2012-09-13 Thread Alex Chekholko
I found a reference " Some Cisco switches are even permanently configured this way -- they can receive pause frames but never emit them." http://virtualthreads.blogspot.com/2006/02/beware-ethernet-flow-control.html On 09/13/2012 11:17 AM, Alex Chekholko wrote: 3. What of hardware flow control

Re: [gridengine users] Son of Grid Engine 8.1.2 available

2012-09-13 Thread Brian Smith
Hi, Joseph, Wow. Just ran into this one myself (mem_free). Adding a complex value to each host set to mem_free=(ram on host) made for a good work-around. The variable is still being reported, so it still reports the real mem_free (not the value you set), but the problem seems to go away when I

Re: [gridengine users] Son of Grid Engine 8.1.2 available

2012-09-13 Thread Joseph Farran
Hi Brian. Cool and thank you for pointing this out and the fix.  Being so new go GE and after 20+ posts on this issue, I thought it was something wrong in my GE configuration!    Glad to hear is was not me :-) Best, Joseph