Attachment 155555 Details for Bug 241600 – Kernel 2.6.9-42.0.10 performance on nfs

Kernel 2.6.9-42.0.10 performance on nfs

kernel-smp-2.6.9-42.0.10.EL.nfs.performance (text/plain), 2.18 KB, created by Marcus Alves Grando on 2007-05-28 19:33:07 UTC

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Creator: Marcus Alves Grando

Created: 2007-05-28 19:33:07 UTC

Size: 2.18 KB

patch

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 16:26:02 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 	=  513654.97 KB/sec
>	Parent sees throughput for  2 initial writers 	=   52007.79 KB/sec
>	Min throughput per process 			=  256061.12 KB/sec 
>	Max throughput per process 			=  257593.84 KB/sec
>	Avg throughput per process 			=  256827.48 KB/sec
>	Min xfer 					=  260448.00 KB
>
>	Children see throughput for  2 rewriters 	=  476703.66 KB/sec
>	Parent sees throughput for  2 rewriters 	=   55556.84 KB/sec
>	Min throughput per process 			=  237747.70 KB/sec 
>	Max throughput per process 			=  238955.95 KB/sec
>	Avg throughput per process 			=  238351.83 KB/sec
>	Min xfer 					=  260800.00 KB
>
>	Children see throughput for  2 readers 		= 2099716.00 KB/sec
>	Parent sees throughput for  2 readers 		= 2090703.86 KB/sec
>	Min throughput per process 			= 1044679.12 KB/sec 
>	Max throughput per process 			= 1055036.88 KB/sec
>	Avg throughput per process 			= 1049858.00 KB/sec
>	Min xfer 					=  259936.00 KB
>
>	Children see throughput for 2 re-readers 	= 2287279.62 KB/sec
>	Parent sees throughput for 2 re-readers 	= 2275583.93 KB/sec
>	Min throughput per process 			= 1137611.25 KB/sec 
>	Max throughput per process 			= 1149668.38 KB/sec
>	Avg throughput per process 			= 1143639.81 KB/sec
>	Min xfer 					=  259008.00 KB

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