This week, a thread was started on the DB2-L list server about Twitter, the micro-messaging Web 2.0 social networking tool. Basically, someone wanted to know why more DB2 people did not use Twitter. The consensus seems to be that many organizations block it as a "non-business" web site.(Surprisingly, LinkedIn seems not to be blocked as often as Twitter, even though LinkedIn is a prime vehicle for job search networking.)This is disputable. If you've tried Twittering you know that it can be addictive, but it is also growing in popularity as a business...
Thursday, 12 February 2009
Wednesday, 11 February 2009
Don't Forget DISPLAY as a Part of Your DB2 Tuning Efforts
Posted on 12:36 by Unknown
Although a DB2 performance monitor is probably the best solution for gathering information about your DB2 subsystems and databases, you can gain significant insight into “what is going on out there” using the simple DISPLAY command. The DISPLAY command can be used to return information about the status of DB2 data sharing groups, databases and table spaces, threads, stored procedures, user-defined functions, utilities, and traces; it can also monitor the Resource Limit Facility (RLF) and distributed data locations. Let’s take a quick tour of the...
Friday, 6 February 2009
A New DB2 Manual
Posted on 14:35 by Unknown
I'm just now getting around to downloading the recently refreshed IBM DB2 9 for z/OS manuals. IBM updated almost all of the DB2 manuals in December 2008. Indeed, 19 of the 24 manuals listed have a publication date of December 2008.But wait, I haven't seen one of these manuals before: IRLM Messages and Codes for IMS and DB2 for z/OS. If you take a look at the manual, yes, it is a first edition.This "new" manual describes messages and codes that are issued by the IRLM (internal resource lock manager) which is used by both IMS and DB2 for z/OS. The...
Thursday, 5 February 2009
DB2 Performance Monitoring Overview
Posted on 12:57 by Unknown
In today's blog entry we will discuss the basics monitoring and DB2 performance monitors.The most common way to provide online DB2 performance monitoring capabilities is by online access to DB2 trace information in the MONITOR trace class. You generally specify OPX or OPn for the destination of the MONITOR trace. This way, you can place the trace records into a buffer that can be read using the IFI.Some online DB2 performance monitors also provide direct access to DB2 performance data by reading the control blocks of the DB2 and application address...
Monday, 2 February 2009
Congratulations Pittsburgh Steelers!
Posted on 09:24 by Unknown
Today my blog entry will veer away from technology briefly to congratulate the Pittsburgh Steelers on winning a record sixth Super Bowl title. I was born and raised in Pittsburgh and even though I live in Texas now, I'm still a die-hard Steelers fan.Kudos to the Arizona Cardinals on putting up a great fight... and making the game too close for comfort there at the end!I'll get back to our regularly scheduled DB2 programming in my next post... promi...
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