Date: Sat, 7 Feb 2009 17:00:17 GMT From: Martin Birgmeier <martin@email.aon.at> To: freebsd-fs@FreeBSD.org Subject: Re: kern/131360: [nfs] poor scaling behavior of the NFS server under load Message-ID: <200902071700.n17H0HJT021579@freefall.freebsd.org>
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The following reply was made to PR kern/131360; it has been noted by GNATS.
From: Martin Birgmeier <martin@email.aon.at>
To: bug-followup@FreeBSD.org
Cc:
Subject: Re: kern/131360: [nfs] poor scaling behavior of the NFS server under load
Date: Sat, 7 Feb 2009 17:59:05 +0100 (CET)
o.k. more info... I have this on the server (machine A in my previous post);
it is showing quite a high number for "Server Ret-Failed":
# nfsstat
Client Info:
Rpc Counts:
Getattr Setattr Lookup Readlink Read Write Create Remove
2304000 0 221 165 0 0 0 0
Rename Link Symlink Mkdir Rmdir Readdir RdirPlus Access
0 0 0 0 0 22 0 0
Mknod Fsstat Fsinfo PathConf Commit
0 58 0 0 0
Rpc Info:
TimedOut Invalid X Replies Retries Requests
0 0 17 17 2304466
Cache Info:
Attr Hits Misses Lkup Hits Misses BioR Hits Misses BioW Hits Misses
0 2304000 885499 221 0 0 0 0
BioRLHits Misses BioD Hits Misses DirE Hits Misses
532202 165 89 11 50 0
Server Info:
Getattr Setattr Lookup Readlink Read Write Create Remove
8 19 3123468 82 34382 3156 19 11
Rename Link Symlink Mkdir Rmdir Readdir RdirPlus Access
0 0 11 0 0 9522 0 868616
Mknod Fsstat Fsinfo PathConf Commit
0 31396 23 0 147
Server Ret-Failed
3046139
Server Faults
0
Server Cache Stats:
Inprog Idem Non-idem Misses
0 51 0 412
Server Write Gathering:
WriteOps WriteRPC Opsaved
3156 3156 0
and this on the client (machine B):
# nfsstat
Client Info:
Rpc Counts:
Getattr Setattr Lookup Readlink Read Write Create Remove
48679649 0 3035823 58 26400 0 0 0
Rename Link Symlink Mkdir Rmdir Readdir RdirPlus Access
0 0 0 0 0 7255 0 767940
Mknod Fsstat Fsinfo PathConf Commit
0 27347 1 0 0
Rpc Info:
TimedOut Invalid X Replies Retries Requests
0 0 0 1 52543821
Cache Info:
Attr Hits Misses Lkup Hits Misses BioR Hits Misses BioW Hits Misses
46870061 49414909 64135869 3035823 1144711 26389 0 0
BioRLHits Misses BioD Hits Misses DirE Hits Misses
8748412 58 43987 7218 25358 0
Server Info:
Getattr Setattr Lookup Readlink Read Write Create Remove
0 0 0 0 0 0 0 0
Rename Link Symlink Mkdir Rmdir Readdir RdirPlus Access
0 0 0 0 0 0 0 0
Mknod Fsstat Fsinfo PathConf Commit
0 0 0 0 0
Server Ret-Failed
0
Server Faults
0
Server Cache Stats:
Inprog Idem Non-idem Misses
0 0 0 0
Server Write Gathering:
WriteOps WriteRPC Opsaved
0 0 0
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