Database Tuning (MOSC)

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DBMS_STATS slow collecting partition statistics ?

edited Jul 17, 2020 5:01AM in Database Tuning (MOSC) 5 commentsAnswered ✓
 
My DB info ... 
DB Version - Oracle 11.2.0.3.7 
OS/server - VM Ware running Redhat Enterprise Linux x86-64 v5.7 

I have a fairly DB with two fairly large partitioned tables. The DB is running on VMWare with 32 CPU and a 20GB SGA. 

In the DB there are two very large tables, each table is about 900M rows or 81M blocks, with 32 hash partitions on a primary key ID column. I've been working on stats collection on these tables for a while now and wanted to ask if my experience is common or not. 

I had, on Oracle's advice, after upgrading to 11.2 started using the 'auto' features of DBMS_STATS because they were much improved (Oracle's statement).  Eg, 

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