* Understanding nfsstat output
@ 2007-05-02 15:26 AK
2007-05-02 20:30 ` Peter Staubach
0 siblings, 1 reply; 2+ messages in thread
From: AK @ 2007-05-02 15:26 UTC (permalink / raw)
To: nfs
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Hello everyone!
I am trying to understand the output of nfsstat to better understand and tweak NFS performance for our machines.
Following is the output from our Solaris 9, NFSv3 running server:
I am concerned about the "badcalls" for "Server nfs" output, is this normal or something is wrong. We have some of our clients mounting the exported File system with rsize & wsize = 32K, Could this be the problem, is there a way to narrow it down?
Any feedback is greatly appreciated!
~thanks ~al
# nfsstat -s
Server rpc:
Connection oriented:
calls badcalls nullrecv badlen xdrcall dupchecks
101090599 0 0 0 0 62704096
dupreqs
7038
Connectionless:
calls badcalls nullrecv badlen xdrcall dupchecks
17121084 0 0 0 0 7028935
dupreqs
69076
Server nfs:
calls badcalls
118266383 57138
Version 2: (0 calls)
null getattr setattr root lookup readlink
0 0% 0 0% 0 0% 0 0% 0 0% 0 0%
read wrcache write create remove rename
0 0% 0 0% 0 0% 0 0% 0 0% 0 0%
link symlink mkdir rmdir readdir statfs
0 0% 0 0% 0 0% 0 0% 0 0% 0 0%
Version 3: (117965148 calls)
null getattr setattr lookup access readlink
1 0% 185486 0% 1906 0% 41482 0% 24091 0% 487 0%
read write create mkdir symlink mknod
47680376 40% 69594128 58% 2516 0% 2 0% 80 0% 0 0%
remove rmdir rename link readdir readdirplus
1658 0% 4 0% 126 0% 7 0% 1890 0% 2726 0%
fsstat fsinfo pathconf commit
222331 0% 9 0% 2 0% 205840 0%
Server nfs_acl:
Version 2: (0 calls)
null getacl setacl getattr access
0 0% 0 0% 0 0% 0 0% 0 0%
Version 3: (111 calls)
null getacl setacl
0 0% 73 65% 38 34%
---------------------------------
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^ permalink raw reply [flat|nested] 2+ messages in thread* Re: Understanding nfsstat output
2007-05-02 15:26 Understanding nfsstat output AK
@ 2007-05-02 20:30 ` Peter Staubach
0 siblings, 0 replies; 2+ messages in thread
From: Peter Staubach @ 2007-05-02 20:30 UTC (permalink / raw)
To: AK; +Cc: nfs
AK wrote:
> Hello everyone!
>
> I am trying to understand the output of nfsstat to better understand
> and tweak NFS performance for our machines.
>
> Following is the output from our Solaris 9, NFSv3 running server:
>
> I am concerned about the "badcalls" for "Server nfs" output, is this
> normal or something is wrong. We have some of our clients mounting the
> exported File system with rsize & wsize = 32K, Could this be the
> problem, is there a way to narrow it down?
>
> Any feedback is greatly appreciated!
>
> ~thanks ~al
>
> # nfsstat -s
>
> Server rpc:
> Connection oriented:
> calls badcalls nullrecv badlen xdrcall dupchecks
> 101090599 0 0 0 0 62704096
> dupreqs
> 7038
> Connectionless:
> calls badcalls nullrecv badlen xdrcall dupchecks
> 17121084 0 0 0 0 7028935
> dupreqs
> 69076
>
> Server nfs:
> calls badcalls
> 118266383 57138
> Version 2: (0 calls)
> null getattr setattr root lookup readlink
> 0 0% 0 0% 0 0% 0 0% 0 0% 0 0%
> read wrcache write create remove rename
> 0 0% 0 0% 0 0% 0 0% 0 0% 0 0%
> link symlink mkdir rmdir readdir statfs
> 0 0% 0 0% 0 0% 0 0% 0 0% 0 0%
> Version 3: (117965148 calls)
> null getattr setattr lookup access readlink
> 1 0% 185486 0% 1906 0% 41482 0% 24091 0% 487 0%
> read write create mkdir symlink mknod
> 47680376 40% 69594128 58% 2516 0% 2 0% 80 0% 0 0%
> remove rmdir rename link readdir
> readdirplus
> 1658 0% 4 0% 126 0% 7 0% 1890 0% 2726 0%
> fsstat fsinfo pathconf commit
> 222331 0% 9 0% 2 0% 205840 0%
>
> Server nfs_acl:
> Version 2: (0 calls)
> null getacl setacl getattr access
> 0 0% 0 0% 0 0% 0 0% 0 0%
> Version 3: (111 calls)
> null getacl setacl
> 0 0% 73 65% 38 34%
>
> ------------------------------------------------------------------------
I would suggest asking the Solaris folks for the interpretation for the
output fields in the Solaris version of nfsstat.
That said, the number appears to be a small percentage of the total
number of calls as to not worry very much about.
ps
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2007-05-02 15:26 Understanding nfsstat output AK
2007-05-02 20:30 ` Peter Staubach
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