Attachment 155556 Details for Bug 241600 – Kernel 2.6.9-55 performance on nfs

Kernel 2.6.9-55 performance on nfs

kernel-smp-2.6.9-55.EL.nfs.performance (text/plain), 2.18 KB, created by Marcus Alves Grando on 2007-05-28 19:35:38 UTC

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Creator: Marcus Alves Grando

Created: 2007-05-28 19:35:38 UTC

Size: 2.18 KB

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obsolete

># iozone -i 0 -i 1 -r 32 -s 256m -t 2 -F 1 2
>	Iozone: Performance Test of File I/O
>	        Version $Revision: 3.279 $
>		Compiled for 32 bit mode.
>		Build: linux 
>
>	Contributors:William Norcott, Don Capps, Isom Crawford, Kirby Collins
>	             Al Slater, Scott Rhine, Mike Wisner, Ken Goss
>	             Steve Landherr, Brad Smith, Mark Kelly, Dr. Alain CYR,
>	             Randy Dunlap, Mark Montague, Dan Million, 
>	             Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy,
>	             Erik Habbinga, Kris Strecker, Walter Wong.
>
>	Run began: Mon May 28 16:32:45 2007
>
>	Record Size 32 KB
>	File size set to 262144 KB
>	Command line used: iozone -i 0 -i 1 -r 32 -s 256m -t 2 -F 1 2
>	Output is in Kbytes/sec
>	Time Resolution = 0.000001 seconds.
>	Processor cache size set to 1024 Kbytes.
>	Processor cache line size set to 32 bytes.
>	File stride size set to 17 * record size.
>	Throughput test with 2 processes
>	Each process writes a 262144 Kbyte file in 32 Kbyte records
>
>	Children see throughput for  2 initial writers 	=   61516.59 KB/sec
>	Parent sees throughput for  2 initial writers 	=   41320.01 KB/sec
>	Min throughput per process 			=   24980.64 KB/sec 
>	Max throughput per process 			=   36535.95 KB/sec
>	Avg throughput per process 			=   30758.29 KB/sec
>	Min xfer 					=  244352.00 KB
>
>	Children see throughput for  2 rewriters 	=   72986.40 KB/sec
>	Parent sees throughput for  2 rewriters 	=   51475.85 KB/sec
>	Min throughput per process 			=   35817.05 KB/sec 
>	Max throughput per process 			=   37169.35 KB/sec
>	Avg throughput per process 			=   36493.20 KB/sec
>	Min xfer 					=  252608.00 KB
>
>	Children see throughput for  2 readers 		=   44556.50 KB/sec
>	Parent sees throughput for  2 readers 		=   44540.97 KB/sec
>	Min throughput per process 			=   22177.16 KB/sec 
>	Max throughput per process 			=   22379.34 KB/sec
>	Avg throughput per process 			=   22278.25 KB/sec
>	Min xfer 					=  259936.00 KB
>
>	Children see throughput for 2 re-readers 	= 1633213.06 KB/sec
>	Parent sees throughput for 2 re-readers 	= 1628708.28 KB/sec
>	Min throughput per process 			=  813879.94 KB/sec 
>	Max throughput per process 			=  819333.12 KB/sec
>	Avg throughput per process 			=  816606.53 KB/sec
>	Min xfer 					=  260256.00 KB

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