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Re: nfs write speed performance... still



On Saturday 06 November 2004 02:19, you wrote:
> If I can also suggest capturing some nfsstat -c command outputs.  It
> might be relevant if there are more or different kinds of nfs command
> being sent between different collection of clients and nfs servers.

Yes, good idea.
Here is the output (while writing a big file to the NFS server):

$ nfsstat -c -w 1
         Getattr   Lookup Readlink     Read    Write   Rename   Access  
Readdir
Client:     4465     5213       11    10286    13969      105   108425     
1811
Client:        0        0        0        0        0        0        2        
0
Client:        0        0        0        0        0        0        6        
0
Client:        0        0        0        0        0        0        0        
0
Client:        0        0        0        0       22        0        0        
0
Client:        0        0        0        0        0        0       86        
0
Client:        0        0        0        0        0        0        2        
0
Client:        0        0        0        0        0        0        6        
0
Client:        0        0        0        0        0        0        0        
0
Client:        0        0        0        0        0        0        0        
0
Client:        0        0        0        0        0        0       86        
0
Client:        0        0        0        0        0        0        2        
0
^C
/home/ajacoutot $ nfsstat -c -w 1
         Getattr   Lookup Readlink     Read    Write   Rename   Access  
Readdir
Client:     5003     5347       13    20156    14046      110   114868     
1951
Client:        0        0        0        0        0        0       86        
0
Client:        0        2        0        0       82        0        6        
0
Client:        0        0        0        0      102        0        1        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      100        0        1        
0
Client:        0        0        0        0      101        0        1        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0       74        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0       86        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0       81        0        0        
0
Client:        0        0        0        0      100        0        0        
0
         Getattr   Lookup Readlink     Read    Write   Rename   Access  
Readdir
Client:        0        0        0        0      100        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0       86        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        4        0        0        0       75        0        9        
0
Client:        0        0        0        0      104        0        9        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        1        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0       86        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      100        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0       90        0        0        
0
Client:        0        0        0        0       97        0        0        
0
         Getattr   Lookup Readlink     Read    Write   Rename   Access  
Readdir
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0       91        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0       95        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        1        
0
Client:        5        1        0        0       80        0       23        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0       91        0        0        
0
Client:        0        0        0        0      101        0        1        
0
Client:        0        0        0        0      100        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
         Getattr   Lookup Readlink     Read    Write   Rename   Access  
Readdir
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0       96        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0       98        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0       98        0        0        
0
Client:        0        0        0        0      100        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0       99        0        0        
0
Client:        6        4        0        0       97        0       31        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        1        
0
Client:        0        0        0        0      101        0        0        
0
         Getattr   Lookup Readlink     Read    Write   Rename   Access  
Readdir
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0       99        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0      101        0        0        
0
Client:        0        0        0        0       98        0        0        
0
Client:        3        3        0        0       98        0       12        
0
Client:        0        0        0        0       94        0        0        
0
Client:        0        0        0        0       98        0        0        
0
         Getattr   Lookup Readlink     Read    Write   Rename   Access  
Readdir
Client:        0        0        0        0       97        0        0        
0
Client:        0        0        0        0       98        0        0        
0
Client:       18       17        0        0       42        4      229        
0

$ nfsstat -c
Client Info:
Rpc Counts:
  Getattr   Setattr    Lookup  Readlink      Read     Write    Create    
Remove
     5039       374      5374        13     20156     23945       127        
23
   Rename      Link   Symlink     Mkdir     Rmdir   Readdir  RdirPlus    
Access
      114         6         1        20        21      1951         0    
115280
    Mknod    Fsstat    Fsinfo  PathConf    Commit
        0      1630         6         0       832
Rpc Info:
 TimedOut   Invalid X Replies   Retries  Requests
        0         0         0       235    174912
Cache Info:
Attr Hits    Misses Lkup Hits    Misses BioR Hits    Misses BioW Hits    
Misses
   167802      5039    103540      5370     37449     20156     24886     
23945
BioRLHits    Misses BioD Hits    Misses DirE Hits    Misses
       59        13         0         0       170      1621



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