nfs slowdown (RELENG_8)

[Mike Tancsa]

On 6/25/2014 9:12 AM, Eugene Grosbein wrote:
> ktrace  cat /dev/zero > /nfsbackup/test

Thanks, on the problem machine

  88560 cat      STRU  struct stat {dev=103, ino=117891, mode=-rw-r--r-- 
, nlink=1, uid=0, gid=0, rdev=473963, atime=1403703085, 
stime=1187202566, ctime=1401800262, birthtime=1187202566, size=152, 
blksize=16384, blocks=4, flags=0x0 }
  88560 cat      STRU  struct stat {dev=103, ino=235542, mode=-r--r--r-- 
, nlink=1, uid=0, gid=0, rdev=949672, atime=1403703085, 
stime=1402007556, ctime=1402007556, birthtime=1402007556, size=1157896, 
blksize=16384, blocks=2304, flags=0x20000 }
  88560 cat      STRU  struct stat {dev=33619719, ino=51388601, 
mode=-rw-r--r-- , nlink=1, uid=1010, gid=181, rdev=4294967295, 
atime=1403534802.483337628, stime=1403703085.656336961, 
ctime=1403703085.656336961, birthtime=-1, size=0, blksize=4096, 
blocks=1, flags=0x0 }

On the normal performing machine


  46283 cat      STRU  struct stat {dev=70, ino=17706, mode=-rw-r--r-- , 
nlink=1, uid=0, gid=0, rdev=70399, atime=1403703136, stime=1305670285, 
ctime=1305670285, birthtime=1168289606, size=157, blksize=16384, 
blocks=4, flags=0x0 }
  46283 cat      STRU  struct stat {dev=70, ino=33081, mode=-r--r--r-- , 
nlink=1, uid=0, gid=0, rdev=147000, atime=1403703136, stime=1402607729, 
ctime=1402607729, birthtime=1402607729, size=1157892, blksize=16384, 
blocks=2304, flags=0x20000 }
  46283 cat      STRU  struct stat {dev=50396944, ino=5275691, 
mode=-rw-r--r-- , nlink=1, uid=1009, gid=181, rdev=0, atime=1403634416, 
stime=1403703137, ctime=1403703137, birthtime=-1, size=0, blksize=4096, 
blocks=0, flags=0x0 }



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Mike Tancsa, tel +1 519 651 3400
Sentex Communications, mike at sentex.net
Providing Internet services since 1994 www.sentex.net
Cambridge, Ontario Canada   http://www.tancsa.com/