Re: [Samba] extremely high %CPU and TIME
Jeremy (and all), just wanted to say that we moved (quicker than we wanted) to 3.0.x and everything is fine! Thanks so much ! Tom On Wed, 19 Nov 2003, Jeremy Allison wrote: On Wed, Nov 19, 2003 at 03:57:56PM -0500, Tom Ryan wrote: yes.. but I was having problems before with that enabled previously. The client behaviour changes once spoolss is enabled. If you're claiming to see the same issue on the clients you need to restart the spooler service on them in order for them to notice the now open spoolss pipe. 3.0.x has a *much* improved version of the printing code we use on the HP PSA (Print Server Appliance), so I can definately recommend it. Jeremy. -- ___ Tom RyanVoice: 856-225-6361 Consulting System Administrator Fax: 856-969-7900 Rutgers School of Law - Camden -- To unsubscribe from this list go to the following URL and read the instructions: http://lists.samba.org/mailman/listinfo/samba
Re: [Samba] extremely high %CPU and TIME
I've kept looking for an answer to this to no avail.. any ideas?
strace -p reveals
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=684, len=1},
0xb180) = 0
fcntl64(14, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=684, len=1},
0xb150) = 0
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=5676,
len=1}, 0xb160) = 0
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=684, len=1},
0xb150) = 0
fcntl64(14, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=688, len=1},
0xb150) = 0
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=688, len=1},
0xb150) = 0
fcntl64(16, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=528, len=1},
0xbfffda40) = 0
fcntl64(16, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=528, len=1},
0xbfffda40) = 0
time(NULL) = 1069272774
fcntl64(16, F_SETLKW64, {type=F_RDLCK, whence=SEEK_SET, start=548, len=1},
0xbfffc8a0) = 0
fcntl64(16, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=548, len=1},
0xbfffc8e0) = 0
thanks!
On Thu, 9 Oct 2003, Tom Ryan wrote:
Looking around on the net, I saw that someone else had a similar issue
when they were running all of their users behind terminal server. Our
users are all behind two NAT'd firewalls.
Is it possible that there is some confusion going on? should I stop the
service and remove locking.tdb? (that's what 14 references right?)
Thanks.
tom
On Wed, 8 Oct 2003, Tom Ryan wrote:
2.4.20-19.8 on redhat 8
strace reports
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=628, len=1},
0xb150) = 0
fcntl64(14, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=632, len=1},
0xb150) = 0
over and over again (with different start points)
Tom
On Wed, 8 Oct 2003, Jeremy Allison wrote:
On Wed, Oct 08, 2003 at 02:29:31PM -0400, Tom Ryan wrote:
I have a samba box that has around 70 users on it at any given time.
When I run ps axu there are certain smbd processes (and usually always
by the same login) that look like
username 26126 39.4 0.1 6652 2912 ?S13:44 17:12 smbd -D
any ideas why CPU is running at 39.4??
What OS ? Try doing an strace on it to see what the process is doing.
Jeremy.
--
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Tom RyanVoice: 856-225-6361
Consulting System Administrator Fax: 856-969-7900
Rutgers School of Law - Camden
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Re: [Samba] extremely high %CPU and TIME
On Wed, Nov 19, 2003 at 03:14:02PM -0500, Tom Ryan wrote:
I've kept looking for an answer to this to no avail.. any ideas?
strace -p reveals
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=684, len=1},
0xb180) = 0
fcntl64(14, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=684, len=1},
0xb150) = 0
Ok, it's in a tdb call. Can you attach with gdb and get a stack backtrace ?
Jeremy.
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Re: [Samba] extremely high %CPU and TIME
Jeremy,
(gdb) bt
#0 0x08173176 in tdb_brlock ()
#1 0x0817349a in tdb_unlock ()
#2 0x0817517a in tdb_next_lock ()
#3 0x081752a6 in tdb_traverse ()
#4 0x08179de4 in print_queue_status ()
#5 0x0807a6de in api_DosPrintQGetInfo ()
#6 0x0807fdd8 in api_reply ()
#7 0x08077e03 in reply_trans ()
#8 0x080af1af in switch_message ()
#9 0x080af3a9 in construct_reply ()
#10 0x080af528 in process_smb ()
#11 0x080b01b4 in smbd_process ()
#12 0x0806ab4b in main ()
#13 0x420158f7 in __libc_start_main () from /lib/i686/libc.so.6
(gdb)
On Wed, 19 Nov 2003, Jeremy Allison wrote:
On Wed, Nov 19, 2003 at 03:14:02PM -0500, Tom Ryan wrote:
I've kept looking for an answer to this to no avail.. any ideas?
strace -p reveals
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=684, len=1},
0xb180) = 0
fcntl64(14, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=684, len=1},
0xb150) = 0
Ok, it's in a tdb call. Can you attach with gdb and get a stack backtrace ?
Jeremy.
--
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Tom RyanVoice: 856-225-6361
Consulting System Administrator Fax: 856-969-7900
Rutgers School of Law - Camden
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Re: [Samba] extremely high %CPU and TIME
On Wed, Nov 19, 2003 at 03:23:31PM -0500, Tom Ryan wrote: Jeremy, (gdb) bt #0 0x08173176 in tdb_brlock () #1 0x0817349a in tdb_unlock () #2 0x0817517a in tdb_next_lock () #3 0x081752a6 in tdb_traverse () #4 0x08179de4 in print_queue_status () #5 0x0807a6de in api_DosPrintQGetInfo () #6 0x0807fdd8 in api_reply () #7 0x08077e03 in reply_trans () #8 0x080af1af in switch_message () #9 0x080af3a9 in construct_reply () #10 0x080af528 in process_smb () #11 0x080b01b4 in smbd_process () #12 0x0806ab4b in main () #13 0x420158f7 in __libc_start_main () from /lib/i686/libc.so.6 (gdb) Ok, this is a Win9x client scanning for print jobs. Up the lpq cache time I would suggest. What Samba version ? Jeremy. -- To unsubscribe from this list go to the following URL and read the instructions: http://lists.samba.org/mailman/listinfo/samba
Re: [Samba] extremely high %CPU and TIME
2.2.7 on redhat 8. i uped lpq cache time = 60. doesn't seem to help. Tom On Wed, 19 Nov 2003, Jeremy Allison wrote: On Wed, Nov 19, 2003 at 03:23:31PM -0500, Tom Ryan wrote: Jeremy, (gdb) bt #0 0x08173176 in tdb_brlock () #1 0x0817349a in tdb_unlock () #2 0x0817517a in tdb_next_lock () #3 0x081752a6 in tdb_traverse () #4 0x08179de4 in print_queue_status () #5 0x0807a6de in api_DosPrintQGetInfo () #6 0x0807fdd8 in api_reply () #7 0x08077e03 in reply_trans () #8 0x080af1af in switch_message () #9 0x080af3a9 in construct_reply () #10 0x080af528 in process_smb () #11 0x080b01b4 in smbd_process () #12 0x0806ab4b in main () #13 0x420158f7 in __libc_start_main () from /lib/i686/libc.so.6 (gdb) Ok, this is a Win9x client scanning for print jobs. Up the lpq cache time I would suggest. What Samba version ? Jeremy. -- ___ Tom RyanVoice: 856-225-6361 Consulting System Administrator Fax: 856-969-7900 Rutgers School of Law - Camden -- To unsubscribe from this list go to the following URL and read the instructions: http://lists.samba.org/mailman/listinfo/samba
Re: [Samba] extremely high %CPU and TIME
On Wed, Nov 19, 2003 at 03:36:15PM -0500, Tom Ryan wrote: 2.2.7 on redhat 8. i uped lpq cache time = 60. doesn't seem to help. How many print jobs do you have on this box ? Hmmm. As I recall, a Win9x client with an open print monitor will just continually scan the server - pounding it with requests. We redesigned this for 3.0.x (try 3.0.1pre3) but it won't fix the problem that Win9x clients will continuously scan the print server - this is a problem of the Win9x design, not of Samba. The same thing happens to WinNT/2k/2k3. Can you get people to close down the print monitors ? Jeremy. -- To unsubscribe from this list go to the following URL and read the instructions: http://lists.samba.org/mailman/listinfo/samba
Re: [Samba] extremely high %CPU and TIME
Jeremy, All clients are windows xp. Tom On Wed, 19 Nov 2003, Jeremy Allison wrote: On Wed, Nov 19, 2003 at 03:36:15PM -0500, Tom Ryan wrote: 2.2.7 on redhat 8. i uped lpq cache time = 60. doesn't seem to help. How many print jobs do you have on this box ? Hmmm. As I recall, a Win9x client with an open print monitor will just continually scan the server - pounding it with requests. We redesigned this for 3.0.x (try 3.0.1pre3) but it won't fix the problem that Win9x clients will continuously scan the print server - this is a problem of the Win9x design, not of Samba. The same thing happens to WinNT/2k/2k3. Can you get people to close down the print monitors ? Jeremy. -- ___ Tom RyanVoice: 856-225-6361 Consulting System Administrator Fax: 856-969-7900 Rutgers School of Law - Camden -- To unsubscribe from this list go to the following URL and read the instructions: http://lists.samba.org/mailman/listinfo/samba
Re: [Samba] extremely high %CPU and TIME
On Wed, Nov 19, 2003 at 03:42:11PM -0500, Tom Ryan wrote: Jeremy, All clients are windows xp. Ok, then you're not using the spoolss pipe code on the Samba server, as this scanning behaviour goes away once WNT or above clients can open the SPOOLSS pipe (they use a strange form of change notify instead of scanning). Do you have disable spoolss set in your smb.conf ? Jeremy. -- To unsubscribe from this list go to the following URL and read the instructions: http://lists.samba.org/mailman/listinfo/samba
Re: [Samba] extremely high %CPU and TIME
yes.. but I was having problems before with that enabled previously. On Wed, 19 Nov 2003, Jeremy Allison wrote: On Wed, Nov 19, 2003 at 03:42:11PM -0500, Tom Ryan wrote: Jeremy, All clients are windows xp. Ok, then you're not using the spoolss pipe code on the Samba server, as this scanning behaviour goes away once WNT or above clients can open the SPOOLSS pipe (they use a strange form of change notify instead of scanning). Do you have disable spoolss set in your smb.conf ? Jeremy. -- ___ Tom RyanVoice: 856-225-6361 Consulting System Administrator Fax: 856-969-7900 Rutgers School of Law - Camden -- To unsubscribe from this list go to the following URL and read the instructions: http://lists.samba.org/mailman/listinfo/samba
Re: [Samba] extremely high %CPU and TIME
I enabled that.. but I'm still having the same issue. On Wed, 19 Nov 2003, Tom Ryan wrote: yes.. but I was having problems before with that enabled previously. On Wed, 19 Nov 2003, Jeremy Allison wrote: On Wed, Nov 19, 2003 at 03:42:11PM -0500, Tom Ryan wrote: Jeremy, All clients are windows xp. Ok, then you're not using the spoolss pipe code on the Samba server, as this scanning behaviour goes away once WNT or above clients can open the SPOOLSS pipe (they use a strange form of change notify instead of scanning). Do you have disable spoolss set in your smb.conf ? Jeremy. -- ___ Tom RyanVoice: 856-225-6361 Consulting System Administrator Fax: 856-969-7900 Rutgers School of Law - Camden -- To unsubscribe from this list go to the following URL and read the instructions: http://lists.samba.org/mailman/listinfo/samba
Re: [Samba] extremely high %CPU and TIME
On Wed, Nov 19, 2003 at 03:57:56PM -0500, Tom Ryan wrote: yes.. but I was having problems before with that enabled previously. The client behaviour changes once spoolss is enabled. If you're claiming to see the same issue on the clients you need to restart the spooler service on them in order for them to notice the now open spoolss pipe. 3.0.x has a *much* improved version of the printing code we use on the HP PSA (Print Server Appliance), so I can definately recommend it. Jeremy. -- To unsubscribe from this list go to the following URL and read the instructions: http://lists.samba.org/mailman/listinfo/samba
Re: [Samba] extremely high %CPU and TIME
We are in the middle of planning our upgrade. Thanks will try this and report back! Tom On Wed, 19 Nov 2003, Jeremy Allison wrote: On Wed, Nov 19, 2003 at 03:57:56PM -0500, Tom Ryan wrote: yes.. but I was having problems before with that enabled previously. The client behaviour changes once spoolss is enabled. If you're claiming to see the same issue on the clients you need to restart the spooler service on them in order for them to notice the now open spoolss pipe. 3.0.x has a *much* improved version of the printing code we use on the HP PSA (Print Server Appliance), so I can definately recommend it. Jeremy. -- ___ Tom RyanVoice: 856-225-6361 Consulting System Administrator Fax: 856-969-7900 Rutgers School of Law - Camden -- To unsubscribe from this list go to the following URL and read the instructions: http://lists.samba.org/mailman/listinfo/samba
Re: [Samba] extremely high %CPU and TIME
Does anyone have any thoughts on this? Any things that I can try? I'm open
to suggestions :)
Tom
On Thu, 9 Oct 2003, Tom Ryan wrote:
Ok.. still researching this. should i try disabling kernel oplocks? also,
any thoughts on why it only happens to certain user processes?
could it be a corrupted file or patch level of their machine?
Tom
On Thu, 9 Oct 2003, Tom Ryan wrote:
Looking around on the net, I saw that someone else had a similar issue
when they were running all of their users behind terminal server. Our
users are all behind two NAT'd firewalls.
Is it possible that there is some confusion going on? should I stop the
service and remove locking.tdb? (that's what 14 references right?)
Thanks.
tom
On Wed, 8 Oct 2003, Tom Ryan wrote:
2.4.20-19.8 on redhat 8
strace reports
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=628, len=1},
0xb150) = 0
fcntl64(14, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=632, len=1},
0xb150) = 0
over and over again (with different start points)
Tom
On Wed, 8 Oct 2003, Jeremy Allison wrote:
On Wed, Oct 08, 2003 at 02:29:31PM -0400, Tom Ryan wrote:
I have a samba box that has around 70 users on it at any given time.
When I run ps axu there are certain smbd processes (and usually always
by the same login) that look like
username 26126 39.4 0.1 6652 2912 ?S13:44 17:12 smbd -D
any ideas why CPU is running at 39.4??
What OS ? Try doing an strace on it to see what the process is doing.
Jeremy.
--
___
Tom RyanVoice: 856-225-6361
Consulting System Administrator Fax: 856-969-7900
Rutgers School of Law - Camden
--
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Re: [Samba] extremely high %CPU and TIME
Looking around on the net, I saw that someone else had a similar issue
when they were running all of their users behind terminal server. Our
users are all behind two NAT'd firewalls.
Is it possible that there is some confusion going on? should I stop the
service and remove locking.tdb? (that's what 14 references right?)
Thanks.
tom
On Wed, 8 Oct 2003, Tom Ryan wrote:
2.4.20-19.8 on redhat 8
strace reports
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=628, len=1},
0xb150) = 0
fcntl64(14, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=632, len=1},
0xb150) = 0
over and over again (with different start points)
Tom
On Wed, 8 Oct 2003, Jeremy Allison wrote:
On Wed, Oct 08, 2003 at 02:29:31PM -0400, Tom Ryan wrote:
I have a samba box that has around 70 users on it at any given time.
When I run ps axu there are certain smbd processes (and usually always
by the same login) that look like
username 26126 39.4 0.1 6652 2912 ?S13:44 17:12 smbd -D
any ideas why CPU is running at 39.4??
What OS ? Try doing an strace on it to see what the process is doing.
Jeremy.
--
___
Tom RyanVoice: 856-225-6361
Consulting System Administrator Fax: 856-969-7900
Rutgers School of Law - Camden
--
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Re: [Samba] extremely high %CPU and TIME
Jeremy,
2.4.20-19.8 on redhat 8
strace reports
fcntl64(14, F_SETLKW64, {type=F_UNLCK, whence=SEEK_SET, start=628, len=1},
0xb150) = 0
fcntl64(14, F_SETLKW64, {type=F_WRLCK, whence=SEEK_SET, start=632, len=1},
0xb150) = 0
over and over again (with different start points)
Tom
On Wed, 8 Oct 2003, Jeremy Allison wrote:
On Wed, Oct 08, 2003 at 02:29:31PM -0400, Tom Ryan wrote:
I have a samba box that has around 70 users on it at any given time.
When I run ps axu there are certain smbd processes (and usually always
by the same login) that look like
username 26126 39.4 0.1 6652 2912 ?S13:44 17:12 smbd -D
any ideas why CPU is running at 39.4??
What OS ? Try doing an strace on it to see what the process is doing.
Jeremy.
--
___
Tom RyanVoice: 856-225-6361
Consulting System Administrator Fax: 856-969-7900
Rutgers School of Law - Camden
--
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