Dennis,
We have set particular indexes to nologging when building them. These are
indexes that we drop every night for our warehouse load.
It is a hassle because whenever we clone this database to our QA box, those
nologged indexes get corrupt and we have to rebuild them. Takes us three
hours to do. We have recovered the database too and did have to rebuild
the indexes after. I guess you have to balance the regular time-savings
in building/rebuilding indexes with the time cost in mean-time-to-recover.
I've never changed an entire index tablespace to nologging.
Cherie Machler
Oracle DBA
Gelco Information Network
DENNIS WILLIAMS
<DWILLIAMS@LIFE To: Multiple recipients of list ORACLE-L
<[EMAIL PROTECTED]>
TOUCH.COM> cc:
Sent by: Subject: Nologging index tablespaces?
[EMAIL PROTECTED]
m
06/10/02 01:33
PM
Please respond
to ORACLE-L
Have any of you changed your index tablespaces to NOLOGGING? Offhand it
seems like a possible performance increase and less redo, but at the
expense
of having to remember to rebuild the indexes in a recovery. And I don't
like
to have special things to remember in a crisis.
Dennis Williams 20% OCP
DBA
Lifetouch, Inc.
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