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Aw: Re: very poor nfs performance



> You could test with noatime if you don't need access times.
> And perhaps with lazytime instead of relatime.
Mountoptions are:
type zfs (rw,xattr,noacl)
I get you point, but when you look at my fio output, the performance is quiet good

> Could you provide us
> nfsstat -v
server:
nfsstat -v
Server packet stats:
packets    udp        tcp        tcpconn
509979521   0          510004972   2

Server rpc stats:
calls      badcalls   badfmt     badauth    badclnt
509971853   0          0          0          0

Server reply cache:
hits       misses     nocache
0          0          509980028

Server io stats:
read       write
1587531840   3079615002

Server read ahead cache:
size       0-10%      10-20%     20-30%     30-40%     40-50%     50-60%     60-70%     70-80%     80-90%     90-100%    notfound
0          0          0          0          0          0          0          0          0          0          0          0

Server file handle cache:
lookup     anon       ncachedir  ncachenondir  stale
0          0          0          0          0

Server nfs v4:
null             compound
2         0%     509976662 99%

Server nfs v4 operations:
op0-unused       op1-unused       op2-future       access           close
0         0%     0         0%     0         0%     5015903   0%     3091693   0%
commit           create           delegpurge       delegreturn      getattr
314634    0%     149836    0%     0         0%     1615740   0%     390748077 20%
getfh            link             lock             lockt            locku
2573550   0%     0         0%     17        0%     0         0%     15        0%
lookup           lookup_root      nverify          open             openattr
3931149   0%     0         0%     0         0%     3131045   0%     0         0%
open_conf        open_dgrd        putfh            putpubfh         putrootfh
0         0%     3         0%     510522216 26%     0         0%     4         0%
read             readdir          readlink         remove           rename
59976532  3%     421791    0%     0         0%     429965    0%     244564    0%
renew            restorefh        savefh           secinfo          setattr
0         0%     0         0%     542231    0%     0         0%     845324    0%
setcltid         setcltidconf     verify           write            rellockowner
0         0%     0         0%     0         0%     404569758 21%     0         0%
bc_ctl           bind_conn        exchange_id      create_ses       destroy_ses
0         0%     0         0%     4         0%     2         0%     1         0%
free_stateid     getdirdeleg      getdevinfo       getdevlist       layoutcommit
15        0%     0         0%     0         0%     0         0%     0         0%
layoutget        layoutreturn     secinfononam     sequence         set_ssv
0         0%     0         0%     2         0%     509980018 26%     0         0%
test_stateid     want_deleg       destroy_clid     reclaim_comp     allocate
10        0%     0         0%     1         0%     2         0%     164       0%
copy             copy_notify      deallocate       ioadvise         layouterror
297667    0%     0         0%     0         0%     0         0%     0         0%
layoutstats      offloadcancel    offloadstatus    readplus         seek
0         0%     0         0%     0         0%     0         0%     0         0%
write_same
0         0%


client:
nfsstat -v
Client packet stats:
packets    udp        tcp        tcpconn
0          0          0          0

Client rpc stats:
calls      retrans    authrefrsh
37415730   0          37425651

Client nfs v4:
null             read             write            commit           open
1         0%     4107833  10%     30388717 81%     2516      0%     55493     0%
open_conf        open_noat        open_dgrd        close            setattr
0         0%     194252    0%     0         0%     247380    0%     75890     0%
fsinfo           renew            setclntid        confirm          lock
459       0%     0         0%     0         0%     0         0%     4         0%
lockt            locku            access           getattr          lookup
0         0%     2         0%     131533    0%     1497029   4%     318056    0%
lookup_root      remove           rename           link             symlink
1         0%     31656     0%     15877     0%     0         0%     0         0%
create           pathconf         statfs           readlink         readdir
7019      0%     458       0%     170522    0%     0         0%     30007     0%
server_caps      delegreturn      getacl           setacl           fs_locations
917       0%     118109    0%     0         0%     0         0%     0         0%
rel_lkowner      secinfo          fsid_present     exchange_id      create_session
0         0%     0         0%     0         0%     2         0%     1         0%
destroy_session  sequence         get_lease_time   reclaim_comp     layoutget
0         0%     0         0%     0         0%     1         0%     0         0%
getdevinfo       layoutcommit     layoutreturn     secinfo_no       test_stateid
0         0%     0         0%     0         0%     1         0%     0         0%
free_stateid     getdevicelist    bind_conn_to_ses destroy_clientid seek
2         0%     0         0%     0         0%     0         0%     0         0%
allocate         deallocate       layoutstats      clone
10        0%     0         0%     0         0%     0         0%


thanks for your help
best regards
Stefan


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