DB2

Lightning Fast I/O via zHyperLink and Db2 for z/OS Exploitation – Part 2

Last week we ended with Db2 Performance of zHyperLink Read. Now let’s look at the CPU cost of zHyperLink read. As explained last week, I/O operation is now synchronous to CPU with zHyperLink and SQL processing spins while waiting for…

Performance

Lightning Fast I/O via zHyperLink and Db2 for z/OS Exploitation

As the size of database and the volume of transactions increase, many of Db2 transactions tend to spend significant amount…

Mainframe

Fast Mainframe Data Access – Apples and Oranges

In a growing economy, increases in expected business workloads are making their impacts felt in today's busiest data centers, through…

Mainframe

Mainframe Upgrades – They Happen

Jan 2, 2019
Allan Zander
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System upgrades are a fact of life. If you're running a mainframe system, you're doing it for a good reason—and…

Security

Database security – You need to pay better attention to it

Almost 2 years ago, it was reported that over 10,000 MongoDB databases had been deleted by ransomware groups - and…

Availability

Always On: Achieving continuous availability for non-data sharing workloads in a z/OS Parallel Sysplex

Introduction The z/OS Parallel Sysplex® technology provides a highly reliable, redundant, and robust environment by clustering together multiple z/OS systems…