RE: audit_trail=db Overhead ?
> -Original Message- > > "It depends." > > I would think that it largely depends on what you intend to > audit > You may also want to consider moving the AUD$ table out of the SYSTEM > tablespace. If you've got Metalink, see article 1019377.6. > - I would add: If you do this, you should monitor the tablespace usage for AUD$ to ensure that it doesn't fill up the tablespace, which could stop anyone from doing anything, depending on what you audit. Here's a sample set of commands, that I've had laying around for a long time, for you to pick and choose and edit. CREATE TABLESPACE ORA_AUDIT DATAFILE '/dir1/dir2/ora_audit_01.dbf' SIZE 500M REUSE DEFAULT STORAGE (INITIAL 1M NEXT 1M MINEXTENTS 1 MAXEXTENTS UNLIMITED PCTINCREASE 1) ONLINE PERMANENT / CREATE TABLESPACE ORA_AUDIT_IDX DATAFILE '/dir1/dir2/ora_audit_idx_01.dbf' SIZE 100M REUSE DEFAULT STORAGE (INITIAL 1M NEXT 1M MINEXTENTS 1 MAXEXTENTS UNLIMITED PCTINCREASE 1) ONLINE PERMANENT / create table audx tablespace ORA_AUDIT storage (initial 1M next 1M pctincrease 0) as select * from aud$ where 1 = 2 / rename AUD$ to AUD$$ / rename audx to aud$ / drop index i_aud1 / create index i_aud1 on aud$(sessionid, ses$tid) tablespace ORA_AUDIT_IDX storage(initial 1M next 1M pctincrease 0) / NOAUDIT ALL; NOAUDIT ALL PRIVILEGES; -- Check for old auditing select * from sys.dba_stmt_audit_opts order by audit_option; audit cluster; audit connect; audit context; audit database link; audit dimension; audit directory; audit index; audit procedure; audit profile; audit public database link; audit public synonym; audit role; audit rollback segment; audit sequence; audit synonym; audit system audit; audit system grant; audit table; audit tablespace; audit trigger; audit type; audit user; audit view; audit alter sequence; audit alter table; audit comment table; audit grant directory; audit grant procedure; audit grant sequence; audit grant table; audit grant type; -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Stephen Lee INET: [EMAIL PROTECTED] Fat City Network Services-- 858-538-5051 http://www.fatcity.com San Diego, California-- Mailing list and web hosting services - To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
Re: audit_trail=db Overhead ?
Depends on what you audit. If what you are auditing occurs with high frequency then naturally there is some overhead Connor --- VIVEK_SHARMA <[EMAIL PROTECTED]> wrote: > > What would be the overhead of setting audit_trail=db > in init.ora > on the overall database performance ? > > NOTE - This is a heavily loaded Hybrid Database > having 4000 concurrent users > > What optional settings may be better ? > > Thanks > > -- > Please see the official ORACLE-L FAQ: > http://www.orafaq.net > -- > Author: VIVEK_SHARMA > INET: [EMAIL PROTECTED] > > Fat City Network Services-- 858-538-5051 > http://www.fatcity.com > San Diego, California-- Mailing list and web > hosting services > - > To REMOVE yourself from this mailing list, send an > E-Mail message > to: [EMAIL PROTECTED] (note EXACT spelling of > 'ListGuru') and in > the message BODY, include a line containing: UNSUB > ORACLE-L > (or the name of mailing list you want to be removed > from). You may > also send the HELP command for other information > (like subscribing). > = Connor McDonald web: http://www.oracledba.co.uk web: http://www.oaktable.net email: [EMAIL PROTECTED] "GIVE a man a fish and he will eat for a day. But TEACH him how to fish, and...he will sit in a boat and drink beer all day" __ Do You Yahoo!? Everything you'll ever need on one web page from News and Sport to Email and Music Charts http://uk.my.yahoo.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: =?iso-8859-1?q?Connor=20McDonald?= INET: [EMAIL PROTECTED] Fat City Network Services-- 858-538-5051 http://www.fatcity.com San Diego, California-- Mailing list and web hosting services - To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
Re: audit_trail=db Overhead ?
Setting AUDIT_TRAIL=DB just allows you to enable audit. It, by itself, has no load. I have AUDIT_TRAIL=DB and AUDIT SESSION with about 100 connections a minute and haven't noticed any performance impact. But, then, I haven't set an STATEMENT or OBJECT audit options. I have a daily SQL job which queries the audit view to identify failed login attempts and another job to purge the audit trail of data more than 7 days old. Hemant At 03:28 AM 21-03-03 -0800, you wrote: What would be the overhead of setting audit_trail=db in init.ora on the overall database performance ? NOTE - This is a heavily loaded Hybrid Database having 4000 concurrent users What optional settings may be better ? Thanks -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: VIVEK_SHARMA INET: [EMAIL PROTECTED] Fat City Network Services-- 858-538-5051 http://www.fatcity.com San Diego, California-- Mailing list and web hosting services - To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing). Hemant K Chitale My personal web site is : http://hkchital.tripod.com -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Hemant K Chitale INET: [EMAIL PROTECTED] Fat City Network Services-- 858-538-5051 http://www.fatcity.com San Diego, California-- Mailing list and web hosting services - To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
RE: audit_trail=db Overhead ?
"It depends." I would think that it largely depends on what you intend to audit and how often those audits occur. For example, on a production system, auditing failed logins may be OK, but auditing both failed and successful logins may put some load on the DB. You may also want to consider moving the AUD$ table out of the SYSTEM tablespace. If you've got Metalink, see article 1019377.6. HTH! GL! Rich Rich JesseSystem/Database Administrator [EMAIL PROTECTED] Quad/Tech International, Sussex, WI USA -Original Message- Sent: Friday, March 21, 2003 5:29 AM To: Multiple recipients of list ORACLE-L What would be the overhead of setting audit_trail=db in init.ora on the overall database performance ? NOTE - This is a heavily loaded Hybrid Database having 4000 concurrent users What optional settings may be better ? Thanks -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Jesse, Rich INET: [EMAIL PROTECTED] Fat City Network Services-- 858-538-5051 http://www.fatcity.com San Diego, California-- Mailing list and web hosting services - To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
audit_trail=db Overhead ?
What would be the overhead of setting audit_trail=db in init.ora on the overall database performance ? NOTE - This is a heavily loaded Hybrid Database having 4000 concurrent users What optional settings may be better ? Thanks -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: VIVEK_SHARMA INET: [EMAIL PROTECTED] Fat City Network Services-- 858-538-5051 http://www.fatcity.com San Diego, California-- Mailing list and web hosting services - To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
