Please think when the memory usage is too high.

Hi all

My version of Oracle is 11.2.0.4 64-bit

And Linux version: SUSE Linux Enterprise Server 11 (x86_64) SP3.

Use of memory on the server is too high.

AP - GV - SP713:orasop 55 > free t m

total used free shared buffers cached

MEM: 258341 257482 859 43775 8 219455

-/ + buffers/cache: 38018 220322

Swap: 65535 3919 61616

Total: 323877 261401 62475

AP - GV - SP713:orasop 56 >

Top of PAGE process 10 consuming the most memory is below -.

AP - GV - SP713:orasop 56 > ps to the | Sort - nk + 4 | tail

orasop 15385 3.7 0.0 30937152 9916440?    SS Nov23 01:40 ora_dbw2_SOP

orasop 15408 3.7 0.0 30933376 9809912?    SS Nov23 01:39 ora_dbw5_SOP

orasop 35335 3.8 0.6 30932204 10316356?   SS 04:32 03:00 oracleSOP (LOCAL = NO)

orasop 7121 3.8 0.1 30932164 10296904?   SS Nov24 01:51 oracleSOP (LOCAL = NO)

orasop 10997 3.9 0.3 30928188 10457696?   SS Nov24 03:34 oracleSOP (LOCAL = NO)

orasop 15371 3.9 0.0 30937024 10399132?   SS Nov23 01:44 ora_dbw1_SOP

orasop 7216 4.7 0.8 30929072 12475216?   SS 05:08 03:55 oracleSOP (LOCAL = NO)

orasop 14793 5.0 0.6 30940416 13390616?   SS Nov24 06:29 oracleSOP (LOCAL = NO)

orasop 18524 5.0 0.7 30928112 13329416?   SS Nov24 07:08 oracleSOP (LOCAL = NO)

orasop 31019 11.2 5.9 30926108 15609268?   RS 06:14 42: 21 oracleSOP (LOCAL = NO)

AP - GV - SP713:orasop 57 >

In the oracle memory setting is:

SQL > select decode(pool,null,name,pool), round (sum (bytes) / 1024/1024,4) MB in Group v$ sgastat by decode (pool, null, name, pool) order by 2 desc;

DECODE (POOL, NULL, NAME, POOL MB

-------------------------- ----------

BUFFER_CACHE 15360

Shared pool 13952

pool of Java 448

log_buffer 56.9688

fixed_sga 2.1634

Please suggest if the memory must be increased and also I see a dynamic memory management is not turn on on the server.

SQL > show parameter sga_target

VALUE OF TYPE NAME

------------------------------------ ----------- ------------------------------

SGA_TARGET large integer 0

SQL > show the memory_target parameter

VALUE OF TYPE NAME

------------------------------------ ----------- ------------------------------

memory_target large integer 0

SQL >

SQL > show parameter sga_max_size

VALUE OF TYPE NAME

------------------------------------ ----------- ------------------------------

very large integer SGA_MAX_SIZE 29952 M

SQL >

Please suggest.

Thank you before acting.

Concerning

Jean Louis

Yvon says:

Please check the error of the alerts log when the database is set automatically.

WARNING: VKTM detected a drift of the time.

Time derivatives may cause unexpected behavior, such as wait times. Check the file path for more details.

Mon 23 Nov 20:41:17 2015

Closure of proceedings (immediate)

Closure of proceedings: in addition to logons disabled

Stop background MMNL process

MMON background process stop

The high waters = 53 license

ALTER DATABASE CLOSE NORMAL

ORA-1507 marked during: ALTER DATABASE CLOSE NORMAL...

ARCH: Disabled archives due to the stop: 1089

Stop process to archive

Archiving is disabled

ARCH: Disabled archives due to the stop: 1089

Stop process to archive

Archiving is disabled

Mon 23 Nov 20:41:20 2015

Stop background VKTM process

Mon 23 Nov 20:41:22 2015

Instance shutdown complete

Concerning

Jean Louis

I say that DB was reduced by human intervention based on below

Accident never issue SHUTDOWN IMMEDIATE

After the accident alert log shows DB followed by BOOT messages running.

> Closing instance (immediate)

Problem exists between keyboard and Chair only.

Tags: Database

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