Database DataWarehousing (MOSC)

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Time taken to import metadata varies with no apparent reason.

edited Feb 25, 2013 5:54PM in Database DataWarehousing (MOSC) 4 commentsAnswered
We are having issues importing metadata into our data mart from our data warehouse.
Both are oracle 10g 10.2.0.2 databases on the same server, Tru64.

We are using transportable tablespaces and exporting tables with indexes,constraints, triggers, grants and statistics.

On some days the import metadata is taking 8 minutes, today it took 2 hours.

On each occasion, the tablespace set is identical.  On each occasion, there are a large number of bitmap indexes.

I've had confirmation from Oracle Support that the CREATE INDEX statements below are only updating the oracle dictionary, not actually creating the indexes themselves.

Has anyone else come across this problem?

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