Planet Mainframe, one of the largest IBM mainframe community presences on the Internet has merged with the popular PlanetDb2 blog—one of the longest-running blogs focused specifically on IBM’s Db2 database. In joining forces, Planet Mainframe will officially become...
It’s a pleasure to work with something new. It’s even better when customers are begging for faster delivery. That’s just the case with the new OMEGAMON Data Provider (ODP).First introduced and available in November ’21, with an ability to stream OMEGAMON data for the...
Batch programming is a very powerful process which helps process Millions of record from a input data source. An Input data source can be a VSAM dataset, SMS files or Database Such as DB2 or IMS. In these Blog we will be studying the Batch Application to update...
It’s an ill wind that blows no good, and profits nobody. That old nautical phrase popped into my head when I first heard about the SolarWinds supply chain compromise. We’ll return to that later, and its implications. But first I wanted to take a look at a few of the...
The Mainframe Era In 1970 I joined a company, Databank Systems Ltd, that operated a national network of 6 computer centres, each containing a S360/40. In total this was less than 1/10,000th of the power of my current laptop, at a cost several thousand times...
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 the I/O to complete. At the same...
As the size of database and the volume of transactions increase, many of Db2 transactions tend to spend significant amount of wait time in database read and log write I/Os. zHyperLink is introduced to help reduce b2 transaction latency. zHyperLink is a new short...
Not long ago, a Db2 for z/OS administrator contacted me with a request. His team had made some changes to the buffer pool configuration in their production Db2 environment (the overall size of the buffer pool configuration was increased to reduce read I/O activity,...
In a growing economy, increases in expected business workloads are making their impacts felt in today's busiest data centers, through increased online transactions, web requests, mobile requests, batch jobs, ad hoc queries, data warehousing analysis, and more....
System upgrades are a fact of life. If you're running a mainframe system, you're doing it for a good reason—and that’s almost certainly because you need the performance, capacity, throughput and security. Not only that, you're more than likely experiencing growing...
