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Home -> Community -> Usenet -> c.d.o.server -> Re: slow insert performance
Notes in-line
-- Regards Jonathan Lewis http://www.jlcomp.demon.co.uk The Co-operative Oracle Users' FAQ http://www.jlcomp.demon.co.uk/faq/ind_faq.html April 2004 Iceland http://www.index.is/oracleday.php June 2004 UK - Optimising Oracle Seminar "Mark" <simmons_mark_at_yahoo.com> wrote in message news:5366fb41.0404010853.22cdbcf8_at_posting.google.com...Received on Thu Apr 01 2004 - 11:01:32 CST
> If your problem is the 'free block' anomoly, you could force a direct
> path load as a quick test. (Keeping in mind that you would have to do
> a backup.)
>
It's not the APPEND that requires a backup, it's the fact that most people think of APPEND and NOLOGGING tables as going together - and it's the nologging bit which requires the backup.
> insert /*+ append parallel(xxx) */ into xxx
commit; -- I don't think I'd bother with the parallel insert -- for the purposes of testing. You'd also get -- some benefit from the special optimisation for -- the associated index updates.
> select /*+ parallel(xxx2) */ * from xxx2;
>
> Mark Simmons
> Sr. Oracle DBA
> Sabre-Holdings, Southlake, TX
>
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