IDUG Tech Conference in Anaheim – Question on Panel Session – Updated

As I was watching the DB2 Night Show on Monday (I missed the first half on Friday), Terry announced that they were going to combine the DB2 for Z/OS and DB2 for LUW panel sessions. They’re making them a bit longer. The reason given for this is that they want to stream both of them, but only have the equipment to stream one at a time. Through conversations and posts on Twitter, I decided to open a Twitter poll on the issue to see if we can get some feedback from others on how they feel about it.

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Finding the Subnet Mask on AIX

This is something DB2 DBAs may need to do as a part of setting up TSAMP. Nearly every server I’ve done before has had a subnet mask of 255.255.255.0, but I ran into a server recently that wasn’t, and thought I would share how I figured out what it should be (alone, in the middle of the night, during an upgrade).

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IBM’s DB2 RFE Program

RFE stands for “Request for Enhancement”. IBM has this program for a number of products, but until late 2016, the RFEs for DB2 on LUW were not publicly available to vote on. Now they are, and we’re seeing action on them.

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The Role of the DB2 DBA in Load/Performance Testing

I am consistently shocked and appalled at how few clients actually do load testing. Many pay it lip service, but few actually engage in real, meaningful performance and load testing. I understand that load testing of an application can be difficult and expensive. It is not something that every developer has as a part of their toolkit. But the most successful go-lives and holiday seasons I’ve seen high-volume e-commerce sites endure are the ones that went through at least some load testing.

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