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Out of the box large page support on Mx000, only pagesizes 8k and 4m are active?

813516Mar 16 2016 — edited Apr 4 2016

Hi,

I noticed that only 4m pages are used on Mx000 servers, even though they support page sizes up to 256M, why is that so?

# pkg list entire

NAME (PUBLISHER)                                  VERSION                    IFO

entire                                            0.5.11-0.175.2.15.0.4.0    i--

# mdb -k

> ::tile -s

TILE  MN  SZC   TOTAL   PCT    USER   PCT   KCAGE   PCT

           8k   76.4g 59.7%   57.5g 44.9%   18.8g 14.7%

          64k     12m 0.00%     12m 0.00%       -     -

         512k       -     -       -     -       -     -

           4m   51.5g 40.2%   47.5g 37.1%      4g 3.12%

          32m       -     -       -     -       -     -

         256m       -     -       -     -       -     -

   total         128g  100%  105.1g 82.1%   22.8g 17.8%

# ps -ef | grep smon

0011199 13037     1   0   Feb 22 ?           3:16 ora_smon_...

# pmap -s 13037 | grep osm

0000000380000000       4096K   4M rwxs--    [ osm shmid=0x5e ]

00000003C0000000   14680064K   4M rwxs--    [ osm shmid=0x5f ]

0000000740000000     131072K   4M rwxs--    [ osm shmid=0x60 ]

0000000780000000      32768K   4M rwxs--    [ osm shmid=0x61 ]
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Locked on May 2 2016
Added on Mar 16 2016
#kernel, #oracle-solaris
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