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The more I see, the more I know
The more I know, the less I understand |
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Lokales SystemZum Vergleich zunächst die die Werte vom lokalen System des Linux Systems. Es handelt sich dabei um einen einfachen Pentium (G6950 @ 2.80GHz) mit 2GB Ram und natürlich GBit Ethernet). Als Betriebsystem kommt Ubuntu 11.04 zum Einsatz. Bonnie++
root@backup2:/tmp# bonnie++ -s 4096 -u stonki
Using uid:1000, gid:1000.
Writing a byte at a time...done
Writing intelligently...done
Rewriting...done
Reading a byte at a time...done
Reading intelligently...done
start 'em...done...done...done...done...done...
Create files in sequential order...done.
Stat files in sequential order...done.
Delete files in sequential order...done.
Create files in random order...done.
Stat files in random order...done.
Delete files in random order...done.
Version 1.96 ------Sequential Output------ --Sequential Input- --Random-
Concurrency 1 -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP
backup2.2wd 4G 871 97 110398 10 46258 6 4388 92 112918 14 184.0 6
Latency 18857us 683ms 229ms 19464us 83498us 5141ms
Version 1.96 ------Sequential Create------ --------Random Create--------
backup2.2wd -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP
16 29088 47 +++++ +++ +++++ +++ +++++ +++ +++++ +++ +++++ +++
Latency 11916us 900us 891us 437us 41us 889us
Rsyncroot@backup2:/home/stonki# rsync -a --stats /home/stonki/1GB.file /tmp/ Number of files: 1 Number of files transferred: 1 Total file size: 1073741824 bytes Total transferred file size: 1073741824 bytes Literal data: 1073741824 bytes Matched data: 0 bytes File list size: 26 File list generation time: 0.001 seconds File list transfer time: 0.000 seconds Total bytes sent: 1073872970 Total bytes received: 31 sent 1073872970 bytes received 31 bytes 52384048.83 bytes/sec total size is 1073741824 speedup is 1.00 ioZone
root@backup2:/tmp# iozone -R -l 5 -u 5 -r 4k -s 100m -F /tmp/test1 /tmp/test2 /tmp/test3 /tmp/test4 /tmp/test5
Iozone: Performance Test of File I/O
Version $Revision: 3.373 $
Compiled for 64 bit mode.
Build: linux-AMD64
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, Gavin Brebner,
Jean-Marc Zucconi, Jeff Blomberg, Benny Halevy, Dave Boone,
Erik Habbinga, Kris Strecker, Walter Wong, Joshua Root,
Fabrice Bacchella, Zhenghua Xue, Qin Li, Darren Sawyer.
Run began: Sat Oct 8 13:35:19 2011
Excel chart generation enabled
Record Size 4 KB
File size set to 102400 KB
Command line used: iozone -R -l 5 -u 5 -r 4k -s 100m -F /tmp/test1 /tmp/test2 /tmp/test3 /tmp/test4 /tmp/test5
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.
Min process = 5
Max process = 5
Throughput test with 5 processes
Each process writes a 102400 Kbyte file in 4 Kbyte records
Children see throughput for 5 initial writers = 2115723.61 KB/sec
Parent sees throughput for 5 initial writers = 37949.48 KB/sec
Min throughput per process = 226708.11 KB/sec
Max throughput per process = 1112994.88 KB/sec
Avg throughput per process = 423144.72 KB/sec
Min xfer = 20900.00 KB
Children see throughput for 5 rewriters = 3064079.25 KB/sec
Parent sees throughput for 5 rewriters = 86513.83 KB/sec
Min throughput per process = 432426.25 KB/sec
Max throughput per process = 865961.31 KB/sec
Avg throughput per process = 612815.85 KB/sec
Min xfer = 50228.00 KB
Children see throughput for 5 readers = 6020653.12 KB/sec
Parent sees throughput for 5 readers = 2597068.13 KB/sec
Min throughput per process = 649832.38 KB/sec
Max throughput per process = 2574985.00 KB/sec
Avg throughput per process = 1204130.62 KB/sec
Min xfer = 23680.00 KB
Children see throughput for 5 re-readers = 6921683.75 KB/sec
Parent sees throughput for 5 re-readers = 5034760.07 KB/sec
Min throughput per process = 543225.56 KB/sec
Max throughput per process = 2820240.50 KB/sec
Avg throughput per process = 1384336.75 KB/sec
Min xfer = 19736.00 KB
Children see throughput for 5 reverse readers = 7622984.81 KB/sec
Parent sees throughput for 5 reverse readers = 4902077.97 KB/sec
Min throughput per process = 587834.56 KB/sec
Max throughput per process = 2732742.75 KB/sec
Avg throughput per process = 1524596.96 KB/sec
Min xfer = 21296.00 KB
Children see throughput for 5 stride readers = 6134961.12 KB/sec
Parent sees throughput for 5 stride readers = 4599501.03 KB/sec
Min throughput per process = 541232.88 KB/sec
Max throughput per process = 2389174.75 KB/sec
Avg throughput per process = 1226992.23 KB/sec
Min xfer = 19828.00 KB
Children see throughput for 5 random readers = 7814296.12 KB/sec
Parent sees throughput for 5 random readers = 3486963.37 KB/sec
Min throughput per process = 538082.94 KB/sec
Max throughput per process = 2647789.00 KB/sec
Avg throughput per process = 1562859.23 KB/sec
Min xfer = 22556.00 KB
Children see throughput for 5 mixed workload = 4829173.56 KB/sec
Parent sees throughput for 5 mixed workload = 155758.14 KB/sec
Min throughput per process = 577096.06 KB/sec
Max throughput per process = 1328782.25 KB/sec
Avg throughput per process = 965834.71 KB/sec
Min xfer = 44452.00 KB
Children see throughput for 5 random writers = 3336820.00 KB/sec
Parent sees throughput for 5 random writers = 36352.62 KB/sec
Min throughput per process = 313459.72 KB/sec
Max throughput per process = 1560519.25 KB/sec
Avg throughput per process = 667364.00 KB/sec
Min xfer = 16680.00 KB
"Throughput report Y-axis is type of test X-axis is number of processes"
"Record size = 4 Kbytes "
"Output is in Kbytes/sec"
" Initial write " 2115723.61
" Rewrite " 3064079.25
" Read " 6020653.12
" Re-read " 6921683.75
" Reverse Read " 7622984.81
" Stride read " 6134961.12
" Random read " 7814296.12
" Mixed workload " 4829173.56
" Random write " 3336820.00
iozone test complete.
ioZone DownloadAusgabe des automatischen Test von iozone als Excel Datei. Siehe http://www.thegeekstuff.com/2011/05/iozone-examples/
Download: iozone_lokal.xls
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