Re: NFS on 2.6.0-test9:

[Voluspa]

OBS Remove "wormprotection-" from the address. SWEN is killing me OBS

On 2003-11-09 22:04:05 Trond Myklebust wrote:
>OK. That points squarely at the RTO timeout "inheritance" change.
>There are 2 differences as it stands in 2.6.0 w.r.t. the 2.4.23-pre
>code: the no upper limit, and the inheritance update algorithm.
>
>Could you therefore try the following patch.

All conditions reset to yesterdays tests, patch applied, regression
regresses:

===Begin 2.6.0-test9-trondpatch1===

# /bin/mount -t nfs oden.fish.net:/ /mnt/oden
# time cp -a /mnt/oden/etc .
real    49m17.077s
user    0m0.010s
sys     0m0.089s

# nfsstat
Server rpc stats:
calls      badcalls   badauth    badclnt    xdrcall
1          0          0          0          0       
Server nfs v2:
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    fsstat     
0       0% 0       0% 0       0% 0       0% 0       0% 0       0% 

Server nfs v3:
null       getattr    setattr    lookup     access     readlink   
1      100% 0       0% 0       0% 0       0% 0       0% 0       0% 
read       write      create     mkdir      symlink    mknod      
0       0% 0       0% 0       0% 0       0% 0       0% 0       0% 
remove     rmdir      rename     link       readdir    readdirplus
0       0% 0       0% 0       0% 0       0% 0       0% 0       0% 
fsstat     fsinfo     pathconf   commit     
0       0% 0       0% 0       0% 0       0% 

Client rpc stats:
calls      retrans    authrefrsh
964        548        0       
Client nfs v2:
null       getattr    setattr    root       lookup     readlink   
0       0% 241    25% 0       0% 0       0% 236    24% 5       0% 
read       wrcache    write      create     remove     rename     
464    48% 0       0% 0       0% 0       0% 0       0% 0       0% 
link       symlink    mkdir      rmdir      readdir    fsstat     
0       0% 0       0% 0       0% 0       0% 17      1% 1       0% 

Client nfs v3:
null       getattr    setattr    lookup     access     readlink   
0       0% 0       0% 0       0% 0       0% 0       0% 0       0% 
read       write      create     mkdir      symlink    mknod      
0       0% 0       0% 0       0% 0       0% 0       0% 0       0% 
remove     rmdir      rename     link       readdir    readdirplus
0       0% 0       0% 0       0% 0       0% 0       0% 0       0% 
fsstat     fsinfo     pathconf   commit     
0       0% 0       0% 0       0% 0       0% 

# netstat -s
Ip:
    5714 total packets received
    0 forwarded
    0 incoming packets discarded
    1029 incoming packets delivered
    1585 requests sent out
    446 fragments dropped after timeout
    2664 reassemblies required
    332 packets reassembled ok
    446 packet reassembles failed
Icmp:
    0 ICMP messages received
    0 input ICMP message failed.
    ICMP input histogram:
    7 ICMP messages sent
    0 ICMP messages failed
    ICMP output histogram:
        time exceeded: 7
Tcp:
    1 active connections openings
    0 passive connection openings
    0 failed connection attempts
    0 connection resets received
    0 connections established
    5 segments received
    6 segments send out
    0 segments retransmited
    0 bad segments received.
    0 resets sent
Udp:
    1024 packets received
    0 packets to unknown port received.
    0 packet receive errors
    1572 packets sent
TcpExt:
    ArpFilter: 0
    1 TCP sockets finished time wait in fast timer
    1 packets header predicted
    TCPPureAcks: 1
    TCPHPAcks: 1
    TCPRenoRecovery: 0
    TCPSackRecovery: 0
    TCPSACKReneging: 0
    TCPFACKReorder: 0
    TCPSACKReorder: 0
    TCPRenoReorder: 0
    TCPTSReorder: 0
    TCPFullUndo: 0
    TCPPartialUndo: 0
    TCPDSACKUndo: 0
    TCPLossUndo: 0
    TCPLoss: 0
    TCPLostRetransmit: 0
    TCPRenoFailures: 0
    TCPSackFailures: 0
    TCPLossFailures: 0
    TCPFastRetrans: 0
    TCPForwardRetrans: 0
    TCPSlowStartRetrans: 0
    TCPTimeouts: 0
    TCPRenoRecoveryFail: 0
    TCPSackRecoveryFail: 0
    TCPSchedulerFailed: 0
    TCPRcvCollapsed: 0
    TCPDSACKOldSent: 0
    TCPDSACKOfoSent: 0
    TCPDSACKRecv: 0
    TCPDSACKOfoRecv: 0
    TCPAbortOnSyn: 0
    TCPAbortOnData: 0
    TCPAbortOnClose: 0
    TCPAbortOnMemory: 0
    TCPAbortOnTimeout: 0
    TCPAbortOnLinger: 0
    TCPAbortFailed: 0
    TCPMemoryPressures: 0

===End 2.6.0-test9-trondpatch1===

Mvh
Mats Johannesson
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/