thr3ads.net - samba - [Samba] 2.2.7a - lot of open/close calls [Feb 2003]

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William Jojo

2003-Feb-21 13:22 UTC

[Samba] 2.2.7a - lot of open/close calls

I'me trying to track down a performance problem as I posted yesterday and
as I increase the log level I've noticed this...

[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file regs/default.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file regs/default.bat read=Yes write=No (numopen=2)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file regs/default.bat (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file regs/default.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
  dm389245 closed file mr00257.bat (numopen=0)
[2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
  dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
[2003/02/21 08:19:06, 1] lib/debug.c:debug_message(258)


why does samba open and close the file so many times? this is the login
script file it is opening btw....


Bill

Jon Niehof

2003-Feb-21 15:00 UTC

head link

[Samba] 2.2.7a - lot of open/close calls

> I'me trying to track down a performance problem as I posted yesterday
and
> as I increase the log level I've noticed this...
> 
> [2003/02/21 08:19:06, 2] smbd/open.c:open_file(245)
>   dm389245 opened file mr00257.bat read=Yes write=No (numopen=1)
> [2003/02/21 08:19:06, 2] smbd/close.c:close_normal_file(213)
>   dm389245 closed file mr00257.bat (numopen=0)
> 
> why does samba open and close the file so many times? this is the login
> script file it is opening btw....
*Samba* is not opening and closing the file that many times; 
the client side is. COMMAND.COM and cmd both process batch 
files "one line at a time"; I haven't tested this but I 
suspect cmd opens the file, reads a line, closes the file, 
executes the line.

You can check this for yourself from the Windows side with 
filemon: http://www.sysinternals.com/ntw2k/source/filemon.shtml

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