Just how large is your overly large log buffer?
10 meg? 100 meg? 1 Gig??? ( ok, I've never heard of one this big, but you never know ;) Jared On Friday 21 June 2002 12:48, Erik Williams wrote: > I have an instance that is waiting on log file synchs. I suspect that the > waits are a result of a overly large redo log buffer. There are also > considerable waits on direct path writes. The redo logs are on QuickIO, so > I assume that the writes LGWR is writing asynchronously and not a source of > the log file synchs. I want to be sure that the log file synchs and direct > path writes are not related before I begin to experiment with the size of > the redo log buffer. How can I be sure that the waits are being caused by > DBWR and not LGWR? What are possible fixes for the direct path writes if it > is the DBWR causing them? Multiple DBWR? The datafiles are not on QuickIO, > just the redo. > > Thanks > Erik -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Jared Still INET: [EMAIL PROTECTED] Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- 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).
