That mandates proper initrans and pctfree setting, don't you think? > -----Original Message----- > From: Arup Nanda [mailto:[EMAIL PROTECTED]] > Sent: Monday, February 10, 2003 11:24 PM > To: Multiple recipients of list ORACLE-L > Subject: > > > Raj, > > Another consideration is a potential for a buffer busy waits. > the larger the > block size is, the more the number of rows in an average block. Thsi > increases the possibility of a buffer busy wait. > > HTH. > > Arup > > > An 8.0.6 ops database being migrated to 9i RAC database on > Solaris 8. The > 8.0 database had an block size of 2k. Multiblock read count > is 8. This is > an OLTP database, all transactions almost always work on a > single row. None > of the row sizes exceed the block size. Hardly any chained or migrated > rows. Now, during this migration, it was recommended to > change the block > size to 8k. And my concerns are: > > 1. Would this not increase pinging across the instances? With 9i and > interconnect and cache fusion, this should be reduced > considerably, so, is > it a mute point? > 2. This could alter the execution plans of some statements. > Would some, > maybe a very few of the statements not prefer a full table scan? > > Any other positive or negative effects of this increase in block size? > > Thanks > One Paranoid DBA > > > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: > 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). > > > > > > > > _________________________________________________________________ > Help STOP SPAM with the new MSN 8 and get 2 months FREE* > http://join.msn.com/?page=features/junkmail > > -- > Please see the official ORACLE-L FAQ: http://www.orafaq.net > -- > Author: Arup Nanda > 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). > -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Gogala, Mladen INET: [EMAIL PROTECTED]
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