CPU Problem on Solaris and 2.2.2

Jeremy Allison jra at samba.org
Thu Nov 1 17:30:04 GMT 2001

On Wed, Oct 31, 2001 at 08:01:03PM -0800, Peter Bryant wrote:
> Hi we have a pretty nasty CPU usage problem running Samba 2.2.2 on Solaris
> (SunOS infpdb01.atinfopop.com 5.8 Generic_108528-03 sun4u sparc
> SUNW,Ultra-80)
> The server was coping OK with the load then 'something changed' and CPU
> usage has been climbing over the last couple of weeks.  I've posted CPU,
> config files and a sambastatus snapshot below.  Other information that may
> be helpful:
> - We have a fair amount of load (maybe 20 8K file requests a second)
> - The load has not changed much over the last couple of months (but CPU has
> been creeping up).
> - we have lots of files (30K or so)
> - directories typically have no more than a dozen of so files each
> - we are connecting to the server from 4 Windows2000 clients (application
> servers)
> - server is a SunE420R dual proc with a couple of Gb memory (also running
> Oracle)
> - storage is on an HP256 SAN device.
> Any help you can provide is appreciated.  Any troubleshooting advice also
> appreciated.  Thanks!

Are you getting messages that state :

request_oplock_break: PANIC : breaking our own oplock requested for 
dev = XXXX, inode = YYY and no fsp found !

If so, please contact me asap.



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