At 02:03 AM 9/4/2002, Anjo Kolk wrote: >Yep and you have given the answer yourself. It is the number of indexes. I >think that if the number of records increase the number of levels increase >and slowly but surely you need to update more and more blocks. I have done >sone tests (an oher people I am sure) that show that there is an expontial >increase in the amount of undo and redo generated for every index that gets >added into the mix.
I assume that you mean "exponential increase" metaphorically. I can't imagine that the amount of undo & redo would grow at anything greater than linearly. >You will probably see an increase in CPU time (assuming that you are the only >process/session on the system). > >Anjo. > > >On Wednesday 04 September 2002 08:53, you wrote: > > Hi All, > > > > We have a table which can contain more than half a million records. When we > > try to insert some 10k records in the empty table it get inserted in 10 > > min. but as the size increases time taken to insert also increases. After > > 350,000 records it takes around an hour to insert 10k records. There are > > around 15 columns in it out of which 11 are indexed. There is one > > concatenated function-based index on two columns of Varchar type and two > > separate index for the same two columns. > > > > I have checked the free space for the tablespaces to which the table and > > indexes are attached to. They are in two separate tbs. > > > > Any clues why this is happenning. > > > > > > TIA > > Marul. > > >-- >Please see the official ORACLE-L FAQ: http://www.orafaq.com >-- >Author: Anjo Kolk > 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). Justin Cave -- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Justin Cave 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).
