[[PageOutline]]
= Lustre vs. GPFS Performance =
== 1.Use Bonnie++ ==
 * Lustre ('''without''' NFS tunning, kernel io scheduler = '''default''')
{{{
[root@lustre bonnie++-1.03c]# ./bonnie++ -d /mnt/client_fs01/ -s 16000:1048576  -r 1024 -u root -m first
Using uid:0, gid:0.
Writing with putc()...done
Writing intelligently...done
Rewriting...done
Reading with getc()...done
Reading intelligently...done
start 'em...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 1.03c       ------Sequential Output------ --Sequential Input- --Random-
                    -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine   Size:chnk K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
first  16000M:1024k 44277  73 44487   6 20676   7 44695  90 49761  12  60.2  17
                    ------Sequential Create------ --------Random Create--------
                    -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
                 16  6706  35  2971  31  5324  36  6314  37  2995  33  5812  36
first,16000M:1024k,44277,73,44487,6,20676,7,44695,90,49761,12,60.2,17,16,6706,35,2971,31,5324,36,6314,37,2995,33,5812,36
}}}
 * GPFS ('''without''' NFS tunning, kernel io scheduler = '''default''') 
{{{
gpfs-server:/home/gpfs_mount# bonnie++ -d /home/gpfs_mount/ -s 16000:1048576 -r 1024 -u root -m first > bonnie_1.txt
Using uid:0, gid:0.
Writing with putc()...done
Writing intelligently...done
Rewriting...done
Reading with getc()...done
Reading intelligently...done
start 'em...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  1.03       ------Sequential Output------ --Sequential Input- --Random-
                    -Per Chr- --Block-- -Rewrite- -Per Chr- --Block-- --Seeks--
Machine   Size:chnk K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP  /sec %CP
first  16000M:1024k 54899  91 54665   6 23593   3 42327  70 41545   4  26.4   3
                    ------Sequential Create------ --------Random Create--------
                    -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete--
              files  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP  /sec %CP
                 16   373   1  1221   1   365   0   392   1   938   1   231   0
first,16000M:1024k,54899,91,54665,6,23593,3,42327,70,41545,4,26.4,3,16,373,1,1221,1,365,0,392,1,938,1,231,0

}}}