Needs of the entries on the heavy use of memory by Oracle

We receive an alert on a Solaris box given that Oracle uses high memory, stat as below: -.
< < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < < <
NPROC USERNAME SIZE RSS MEMORY TIME CPU
Oracle 2654G G 2639, 177 42:38:44 100% 19%


What can the measures that we must investigate to dig in the current processes of Oracle running on the box?

All entries will be very appreciated.

Published by: 918868 on July 26, 2012 06:38

918868 wrote:
We receive an alert on a Solaris box given that Oracle uses high memory, stat as below: -.

NPROC USERNAME SIZE RSS MEMORY TIME CPU
Oracle 2654G G 2639, 177 42:38:44 100% 19%

What can the measures that we must investigate to dig in the current processes of Oracle running on the box?

All entries will be very appreciated.

Published by: 918868 on July 26, 2012 06:38

MEMORY is designed to be used.
This alert itself and it is meaningless.

a lack of RAM can be seen when (if + so) > (bi + bo) from vmstat below

bcm@bcm-laptop:~$ vmstat 6 10
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
 3  0   5248  39104 287160 1905160    0    0    47    41   50  241 10  4 84  1
 2  0   5248  36808 287180 1907892    0    0     2    25 1409 3439 18 50 32  1
 2  0   5248  36684 287196 1907900    0    0     0    26 1423 3288 17 50 33  0
 2  0   5248  41992 287212 1907900    0    0     0    24 1495 3463 18 48 34  0
 1  0   5248  42412 287228 1907920    0    0     0    48 1489 3425 20 46 34  0
 1  0   5248  41876 287248 1907924    0    0     1    26 1392 3106 15 48 36  1
 2  0   5248  41892 287264 1907936    0    0     0    19 1408 3287 17 50 33  0
 1  0   5248  41900 287280 1908056    0    0    18    40 1482 3409 16 51 33  0
 2  0   5248  35800 287304 1908120    0    0     7    40 1363 3244 20 49 31  0
 1  0   5248  35848 287328 1908128    0    0     1    30 1447 3293 18 49 33  1
bcm@bcm-laptop:~$ 

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