[Samba] Re: samba-2.2.2 slower than samba-2.0.7 on Solaris

[Thomas Schulz]

smb.conf appended.

> From: "Davide Parise" <d.parise at mhz.it>
> To: "Thomas Schulz" <schulz at adi.com>
> Subject: R: [Samba] samba-2.2.2 slower than samba-2.0.7 on Solaris
> 
> You should send also the smb.conf file to understand what's happening.
> 
> -----Messaggio originale-----
> Inviato: Thursday, February 07, 2002 20:40
> A: samba at samba.org
> Cc: schulz at adi.com
> Oggetto: [Samba] samba-2.2.2 slower than samba-2.0.7 on Solaris
> 
> 
> I just tried to upgrade from Version 2.0.7 to Version 2.2.2 and received
> complaints from several users that file access was much slower.  I made
> no changes to the configuration file.  The configuration file is mostly
> unchanged from the sample provided, changing only the location of the
> logs and specifying some shares.  We are running Samba on a Sun
> Sparc 10 (a slow machine I admit) running Solaris 8.  I had preveiously
> tried both 2.2.1a and 2.2.2 under Solaris 2.6 with the same complaints.
> 
> The PCs are running Windows 2000.  One user that complained loudly is
> running ISP Design Expert from Lattice Semiconductor.
> 
> In trying to see the problem myself, I tried copying a large file from
> my home directory to a sub directory.  With Samba 2.2.2 running, I see
> that the progress box does not show up until 3 to 4 seconds after I
> click on paste.  With Samba 2.0.7, the progress box shows up instantly.
> In either case, the file takes 10 to 11 seconds to copy once the
> copy actually starts.  As an experiment, I have tried the following
> settings with no effect: oplocks = no, fake oplocks = yes, locking = no.
> Following is a section of the log file with log level = 2.  I also tried
> this with log level = 3, but that is too long to send without your asking
> for it.  I clicked on paste at 13:12:00.
> 
> [2002/02/07 13:12:00, 2] smbd/open.c:(217)
>   schulz opened file smit.log read=Yes write=No (numopen=3)
> [2002/02/07 13:12:01, 2] smbd/close.c:(208)
>   schulz closed file smit.log (numopen=2)
> [2002/02/07 13:12:01, 2] smbd/open.c:(217)
>   schulz opened file smit.log read=Yes write=No (numopen=3)
> [2002/02/07 13:12:01, 2] smbd/close.c:(208)
>   schulz closed file smit.log (numopen=2)
> [2002/02/07 13:12:01, 2] smbd/open.c:(217)
>   schulz opened file smit.log read=Yes write=No (numopen=3)
> [2002/02/07 13:12:02, 2] smbd/close.c:(208)
>   schulz closed file smit.log (numopen=2)
> [2002/02/07 13:12:02, 2] smbd/open.c:(217)
>   schulz opened file smit.log read=Yes write=No (numopen=3)
> [2002/02/07 13:12:02, 2] smbd/open.c:(217)
>   schulz opened file tmp/smit.log read=No write=Yes (numopen=4)
> [2002/02/07 13:12:14, 2] smbd/open.c:(427)
>   Share violation on file (4,1,1,15356,tmp/smit.log,fcbopen = 0, flags = 0)
> = 0
> [2002/02/07 13:12:14, 2] smbd/open.c:(217)
>   schulz opened file tmp/smit.log read=Yes write=No (numopen=5)
> [2002/02/07 13:12:15, 2] smbd/close.c:(208)
>   schulz closed file tmp/smit.log (numopen=3)
> [2002/02/07 13:12:55, 2] smbd/close.c:(208)
>   schulz closed file smit.log (numopen=2)
> 
> In the log.smb, I see the following (error?) messages
> 
> [2002/02/07 11:56:53, 2] tdb/tdbutil.c:(342)
>   tdb(/opt/local/samba/var/locks/angler/connections.tdb): tdb_mmap failed
> for size 8192 (Resource temporarily unavailable)
> [2002/02/07 11:56:53, 2] tdb/tdbutil.c:(342)
>   tdb(/opt/local/samba/var/locks/angler/messages.tdb): tdb_mmap failed for
> size 696 (Resource temporarily unavailable)
> [2002/02/07 11:56:53, 0] tdb/tdbutil.c:(342)
>   tdb(/opt/local/samba/private/secrets.tdb): tdb_reopen: failed to obtain
> active lock
> 
> No messages there at the time of the file copy.
> 
> Tom schulz
> Applied Dynamics Intl.
> schulz at adi.com
> --
> 
smb.conf with comments removed:

[global]
   workgroup = adi
   server string = Samba Server
   load printers = yes
   printcap name = /etc/printers.samba
   printing = sysv
   log file = /opt/local/samba/var/logs/%h/log.%m
   max log size = 50
   security = user
  encrypt passwords = yes
  null passwords = yes
   socket options = TCP_NODELAY 
   dns proxy = no 
   printer driver = HP LaserJet 4000 Series PS
   delete readonly = yes
   client code page = 437
   directory security mask = 0777
   security mask = 0777
   level2 oplocks = true
   lock directory = /opt/local/samba/var/locks/%h
   include = /opt/local/samba/lib/smb.conf.%h

smb.conf.angler with most comments removed:

#  log level added for debugging, normally left out
   log level = 2
[homes]
   comment = Home Directories
#   level2 oplocks = no
#   oplocks = no
#   fake oplocks = yes
#   locking = no
#   blocking locks = no
   browseable = no
   writable = yes

[hwdesign]
   comment = Hardware Design Directories
   path = /home/projects/hwdesign
   browseable = yes
   writable = yes
   invalid users = student0 student1 student2 student3 student4 student5
student6 student7 student8 student9 studenta studentb studentc studentd
studente studentf

[support]
   comment = Customer Support Directories
   path = /home/users/support
   browseable = yes
   writable = yes
   invalid users = student0 student1 student2 student3 student4 student5
student6 student7 student8 student9 studenta studentb studentc studentd
studente studentf

Tom schulz
Applied Dynamics Intl.
schulz at adi.com