RE: LOG_BUFFER Parameter Question

2002-04-25 Thread Denham Eva
Thanks to all of you on this issue... -Original Message-From: Gogala, Mladen [mailto:[EMAIL PROTECTED]]Sent: Wednesday, April 24, 2002 8:12 PMTo: Multiple recipients of list ORACLE-LSubject: RE: LOG_BUFFER Parameter Question Alternatively, you size it until

Re: LOG_BUFFER Parameter Question

2002-04-24 Thread Anjo Kolk
Yep, wrong tree. size it like: redo blocks per tx * tx/sec * 3/2 *physical blocksize> Anjo. Denham Eva wrote: Hello, I have been wondering about how to work out what the optimal LOG_BUFFER parameter, compared to the physical size of the REDOLOG file, for the best optimization and writes from

Re: LOG_BUFFER Parameter Question

2002-04-24 Thread Connor McDonald
log buffer gets written a) every 3 seconds b) every commit (more or less) c) 1/3 full d) 1M full thus its unrelated to redo log file size, and in most cases unlikely that anything above 512k-1m is going to give benefits. Check for 'log buffer waits' in your statspack data. hth connor ---

Re: LOG_BUFFER Parameter Question

2002-04-24 Thread Tim Gorman
Title: LOG_BUFFER Parameter Question Are you seeing any significant times from wait-events related to redo log buffering? - Original Message - From: Denham Eva To: Multiple recipients of list ORACLE-L Sent: Tuesday, April 23, 2002 11:58 PM Subject: LOG_BUFFER

RE: LOG_BUFFER Parameter Question

2002-04-24 Thread Gogala, Mladen
Alternatively, you size it until redo_log_space_wait goes away from v$system_events. -Original Message-From: Anjo Kolk [mailto:[EMAIL PROTECTED]]Sent: Wednesday, April 24, 2002 4:59 AMTo: Multiple recipients of list ORACLE-LSubject: Re: LOG_BUFFER Parameter QuestionYep,

Re: LOG_BUFFER Parameter Question

2002-04-24 Thread Ray Stell
On Wed, Apr 24, 2002 at 10:12:22AM -0800, Gogala, Mladen wrote: Alternatively, you size it until redo_log_space_wait goes away from v$system_events. it is v$system_event -Original Message- Sent: Wednesday, April 24, 2002 4:59 AM To: Multiple recipients of list ORACLE-L