Oracle a modo mio: differenze tra le versioni

Da Emigar.
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Riga 25: Riga 25:
Checkpoint ad ogni switch di log:
Checkpoint ad ogni switch di log:


<pre>

select BYTES/BLOCKSIZE from v$log;
select BYTES/BLOCKSIZE from v$log;


Riga 41: Riga 41:


alter system set log_checkpoint_interval=262144 scope=both;
alter system set log_checkpoint_interval=262144 scope=both;
</pre>



Checkpoint almeno ogni 5 minuti
Checkpoint almeno ogni 5 minuti


alter system set log_checkpoint_timeout=600 scope=both;
alter system set log_checkpoint_timeout=600 scope=both;


=Su Linux=
=Su Linux=

Versione delle 11:08, 15 nov 2016

audit asm su syslog

    alter system set AUDIT_SYS_OPERATIONS=TRUE scope=spfile sid='*';
    alter system set AUDIT_SYS_OPERATIONS=FALSE scope=spfile sid='*';
    alter system set AUDIT_SYSLOG_LEVEL='local0.info' scope=spfile sid='*';

audit database su syslog

   alter system set AUDIT_SYS_OPERATIONS=FALSE scope=spfile sid='*';
   alter system set AUDIT_SYSLOG_LEVEL='local6.info' scope=spfile sid='*';
   alter system set AUDIT_TRAIL='OS' scope=spfile sid='*';

profilo scadenza password

recyclebin cancellazione a tempo

pulizia alert e diag con adrci

checkpoint con SE

Checkpoint ad ogni switch di log:

  select BYTES/BLOCKSIZE from v$log;

   BYTES/BLOCKSIZE
   ---------------
	 262144
	 262144
	 262144
	 262144
	 262144
	 262144

   Selezionate 6 righe.


  alter system set log_checkpoint_interval=262144 scope=both;

Checkpoint almeno ogni 5 minuti

 alter system set log_checkpoint_timeout=600 scope=both;

Su Linux

attivare hugepages

disattivare transparent hugepages

disable transparent hugepages https://docs.oracle.com/database/121/CWLIN/memry.htm

[ -f /sys/kernel/mm/redhat_transparent_hugepage/enabled ] && echo never > /sys/kernel/mm/redhat_transparent_hugepage/enabled

usare kernel uek