RE: oracle handing memory allocation different between 11g and 12c?
From: Stefan Koehler <contact_at_soocs.de>
Date: Tue, 16 Feb 2016 18:07:22 +0100 (CET)
Message-ID: <20017267.26666.1455642442140.JavaMail.open-xchange_at_app02.ox.hosteurope.de>
Hi Matt,
not quite sure what's wrong in your env. OSM and 12.1.0.2 works like a charm here :)
Date: Tue, 16 Feb 2016 18:07:22 +0100 (CET)
Message-ID: <20017267.26666.1455642442140.JavaMail.open-xchange_at_app02.ox.hosteurope.de>
Hi Matt,
not quite sure what's wrong in your env. OSM and 12.1.0.2 works like a charm here :)
root_at_SOL:~# pmap -xs 1827
1827: ora_smon_S12DB
Address Kbytes RSS Anon Locked Pgsz Mode Mapped File …
0000000060000000 4096 4096 - 4096 2M rwxs- [ osm shmid=0x5000009 ] 0000000080000000 98304 98304 - 98304 - r-xs- [ osm shmid=0x500000a ] 00000000C0000000 3981312 3981312 - 3981312 2M rwxs- [ osm shmid=0x500000b ] 00000001C0000000 14336 14336 - 14336 2M rwxs- [ osm shmid=0x500000c ]…
Please DTrace the corresponding syscalls to get a better insight in your case.
root_at_SOL:~# dtrace -l
ID PROVIDER MODULE FUNCTION NAME … 256 syscall memcntl entry 257 syscall memcntl return 20833 fbt genunix memcntl entry 20834 fbt genunix memcntl return 78362 fbt shmsys shmget_osm entry 78363 fbt shmsys shmget_osm return 78364 fbt shmsys shmget entry 78365 fbt shmsys shmget return…
Best Regards
Stefan Koehler
Freelance Oracle performance consultant and researcher
Homepage: http://www.soocs.de
Twitter: _at_OracleSK
> Matt Adams <MAdams_at_TroverSolutions.com> hat am 16. Februar 2016 um 16:28 geschrieben:
>
> But in 12c, Oracle prefers using OSM over either ISM or DISM. That appears to be the cause the of the problems I’m having.
>
> Anybody else install 12c on solaris and have issues with OSM not working as expected?
>
> Matt
-- http://www.freelists.org/webpage/oracle-lReceived on Tue Feb 16 2016 - 18:07:22 CET