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тАО11-25-2005 04:39 PM
тАО11-25-2005 04:39 PM
TNS-12500: TNS:listener failed to start a dedicated server process
TNS-12540: TNS:internal limit restriction exceeded
TNS-12560: TNS:protocol adapter error
TNS-00510: Internal limit restriction exceeded
HPUX Error: 12: Not enough space
I restarted HP-Ux11i box resolving the issue but it may comes again in near futur.
Pl. suggest everlasting solution.
Note:3GBRAM,TotalSGA=1400MB and pga_aggregate_target=550MB
Waiting for immediate response as application is very critical(Billing).
Regards,
Mehul
Solved! Go to Solution.
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тАО11-25-2005 06:20 PM
тАО11-25-2005 06:20 PM
SolutionThe messaage here indicates that either swap space is fully utilizaed or some kernel parameter has been totally used. I would suggest to monitor both of these especially when next time the problem appears and when load on the system approaches maximum.
#swapinfo -atm ( To monitor swap)
#sar -v 1 11 ( To know parameter utilizations)
HTH,
Devender
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тАО11-26-2005 05:17 AM
тАО11-26-2005 05:17 AM
Re: Connectivity abruptly lost
Now would be a good time to monitor performance.
http://www.hpux.ws/system.perf.sh
It's production code, runs background and collects and summarized data in many performance areas.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО11-26-2005 05:31 AM
тАО11-26-2005 05:31 AM
Re: Connectivity abruptly lost
The 1400meg SGA is fairly large and any other shared memory usage (such as fbackup or other programs) which ran and then aborted, or you restarted the database without a reboot, these could cause the lack of available RAM. 32bit programs that use large amounts of shared memory are particularly vulnerable to memory map fragmentation (not a problem for 64bit programs). As long as the database is shitdown and restarted with no other special programs running, the map should remain intact.
Bill Hassell, sysadmin
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тАО11-27-2005 09:45 PM
тАО11-27-2005 09:45 PM
Re: Connectivity abruptly lost
These Oracle parameters seem quite high regarding the overall available memory !
Did you (or your DBA) use the cache advisory to determine these values ?
If yes, there is probably only one solution for you as you mentioned the application is critical and therefore I think you have a business case to increase the amount of memory on this server.
If not, you may run it and compare values for SGA and PGA with the cache advisor ones.
(you may still want extra RAM for this server).
Regards
Jean-Luc