Drop the Dead Weight in your DB2 database.

One way to make your DB2 database use less storage and speed up Inserts and Updates is to drop the indexes that are never used.  As the application changes and the database workload changes, you may find many indexes are no longer needed.  Dropping these...

Speed up DB2 database restore on AIX (PART 2)

Hello again, I wanted to follow up on my last blog entry about speeding up the DB2 database restore on an AIX machine.  We did some more testing last night by enabling the jfs2 logging back to how it should be.  The restore took only 5 minutes when it used...
Speed up DB2 database restore on AIX

Speed up DB2 database restore on AIX

Hello, I wanted to share some lessons learned with AIX kernel parameters and DB2 database restore performance. We have a client with a 21 GB database on AIX version 6.1 and DB2 9.7 fixpack 6.  The server has 8 quad-core CPU and 32 GB of memory.  This is a...

Jack Bauer, DB2 DBA

Well, I’m in the final 4 and I made my last presentation on the DB2Night Show’s “DB2’s Got Talent Contest 2012” last week.  I wanted to make it a fun and ‘edutaining’ presentation so I chose to do a parody of the American...

My DB2 table REORG webinar for the DB2night show

Hello again, I presented on DB2 Table Reorg on Friday, March 2 for the DB2Night show’s 4th annual DB2’s Got Talent contest.  I’m one of 10 finalists from around the world and Friday was the first of 3 rounds to choose a winner.  The...
Loading data in a DB2 HADR environment

Loading data in a DB2 HADR environment

Importing data in DB2 HADR takes some extra considerations.  For one, non-logged activity is not replicated to the Standby database.  So if you use the LOAD command to import data into a table on the Primary database, the same table on the Standby database...