Oracle a modo mio: differenze tra le versioni
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| Riga 25: | Riga 25: | ||
Checkpoint ad ogni switch di log: |
Checkpoint ad ogni switch di log: |
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< |
<pre> |
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select max(BYTES/BLOCKSIZE) from v$log; |
select max(BYTES/BLOCKSIZE) from v$log; |
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| Riga 34: | Riga 34: | ||
alter system set log_checkpoint_interval=262144 scope=both; |
alter system set log_checkpoint_interval=262144 scope=both; |
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</ |
</pre> |
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Checkpoint almeno ogni 5 minuti |
Checkpoint almeno ogni 5 minuti |
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Versione delle 11:23, 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 max(BYTES/BLOCKSIZE) from v$log; MAX(BYTES/BLOCKSIZE) -------------------- 262144 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