Two of the most common causes of redo log problems are: a) redo logs on slow devices or suffering from contention from other files/volumes on those devices
b) committing too frequently. hth connor --- Seema Singh <[EMAIL PROTECTED]> wrote: > Hi > I checked my database and found > EVENT TOTAL_WAITS > TIME_WAITED > ----------------------------------- ----------- > ----------- > log buffer space 12264 > 1094425 > log file parallel write 703116 > 227568 > log file sequential read 226133 > 65773 > log file single write 584 > 1298 > log file switch completion 940 > 77197 > log file sync 746881 > 8891791 > > log file sync value is increasing and waits are > high.when i check all ratios > the ratios looks good.What could be problem? > Thx > -Seema > > > _________________________________________________________________ > Join the world�s largest e-mail service with MSN > Hotmail. > http://www.hotmail.com > > -- > Please see the official ORACLE-L FAQ: > http://www.orafaq.com > -- > Author: Seema Singh > 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). ===== Connor McDonald http://www.oracledba.co.uk (mirrored at http://www.oradba.freeserve.co.uk) "Some days you're the pigeon, some days you're the statue" __________________________________________________ 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.com -- Author: =?iso-8859-1?q?Connor=20McDonald?= 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).
