Home » RDBMS Server » Performance Tuning » Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi (how we can match variable sga in v$sga with v$sgastat view)
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi [message #521817] Fri, 02 September 2011 05:15 Go to next message
msol25
Messages: 396
Registered: June 2011
Senior Member
hi,

I am querrying v$sga and getting variable size : 211337216 bytes.when querrying v$sgastat then getting

java Pool : 16777216
Large Pool : 41943040
Shared pool : 398560392

But as per my knowledge following condition should satisfy,but not getting

[code}

Variable sga = java pool + large pool + shared pool

select pool,name,sum(bytes)
from v$sgastat
where pool in ('shared pool','java pool','large pool')
group by pool,name;


Here variable size using v$sga : 211337216 bytes

and java pool + large pool + shared pool : 211302536 bytes.

[/code]
but it should match?
Re: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi [message #521819 is a reply to message #521817] Fri, 02 September 2011 05:20 Go to previous messageGo to next message
msol25
Messages: 396
Registered: June 2011
Senior Member
hi,

I am querrying v$sga and getting variable size : 211337216 bytes.when querrying v$sgastat then getting

java Pool : 16777216
Large Pool : 41943040
Shared pool : 398560392

But as per my knowledge following condition should satisfy,but not getting


Variable sga = java pool + large pool + shared pool

select pool,name,sum(bytes)
from v$sgastat
where pool in ('shared pool','java pool','large pool')
group by pool,name;


Here variable size using v$sga : 211337216 bytes

and java pool + large pool + shared pool : 211302536 bytes.


but it should match?
Re: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi [message #521823 is a reply to message #521817] Fri, 02 September 2011 05:22 Go to previous messageGo to next message
Michel Cadot
Messages: 68645
Registered: March 2007
Location: Nanterre, France, http://...
Senior Member
Account Moderator
Care to post as requested?

Regards
Michel
Re: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi [message #521824 is a reply to message #521823] Fri, 02 September 2011 05:23 Go to previous messageGo to next message
msol25
Messages: 396
Registered: June 2011
Senior Member
Sorry Michel
Re: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi [message #521827 is a reply to message #521824] Fri, 02 September 2011 05:25 Go to previous messageGo to next message
msol25
Messages: 396
Registered: June 2011
Senior Member
Hi Michel why v$sga and v$sgastat not matching for variable sga area.
Re: Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi [message #521828 is a reply to message #521827] Fri, 02 September 2011 05:25 Go to previous message
Michel Cadot
Messages: 68645
Registered: March 2007
Location: Nanterre, France, http://...
Senior Member
Account Moderator
Hi why don't you post it?

Regards
Michel
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