RE: tunning an index built

How about Sort_area_size? This will matter - check for 'sorts to disk' and 'sort rows' from that session's v$sesstat (joined to v$statname).

John Kanagaraj
Oracle Applications DBA
DBSoft Inc
(W): 408-970-7002

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> -----Original Message-----
> From: Gurelei [mailto:[EMAIL PROTECTED]
> Sent: Tuesday, July 08, 2003 2:30 PM
> To: Multiple recipients of list ORACLE-L
> Subject: tunning an index built
>
>
> Hi.
>
> I'm trying to tune an index build. The table currently
> has about 65mil rows and I'm building a unique index,
> which takes about 55min to finish. The table size is
> about 3.4G, index is about the same size. I have tried
> different degrees of parallelism (up to 32), nologging
> is set in the create index script as well as on the
> tablespace. I noticed a lot of i/o waits during the
> buid and a lot of paging to and from filesystem, the
> paging area however appears to be unused. when I do
> lsps -a, it only shows 1% usage. What should be my
> next move? What should I look at? i have increased
> db_cache to 800M, sort area to 50M
>
> thanks
>
> Gene
>
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Author: John Kanagaraj
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