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IT Jungle was created to help you figure out how to survive, adapt, and thrive in this complex IT ecosystem, whether you are an end user of information technology or a vendor of information technology products. We craft a set of online publications that focus on the core information technology platforms in use by enterprises the world over to do daily data processing, from the front-end Web systems to back-end accounting systems. IT Jungle publications are free to our subscribers.
Why Node.js?
Dealing With Library Lists In RDi
Refacing Your Database, Part 3
Making The Case For Flash Over Disk In Power Systems
Study Identifies Disturbing IBM i Security Weaknesses
IBM Bolsters HyperSwap to Protect IBM i Against Downtime
Good IBM i Ideas From Wisconsin
Software Vendors Prep For IBM i 7.3, Applaud PDP for Testing
IBM i 7.3: High Time For High Security
New Financials At IBM Can't Mask Growth Issues
Keep An i On Open Source
IBM i Scalability Stays The Same With 7.3
Surge of Services in DB2 for i, Part 2
View Scheduled Jobs with Excel
Refacing Your Database, Part 2
Sundry April Power Systems Announcements


The Platform

NVLink Takes GPU Acceleration To The Next Level

Google Pits Dataflow Against Spark

How Big Is The Ecosystem Growing On Clouds?

The Uptake Of Broadwell Xeons Begins

Bolder Battle Lines Drawn At Extreme Scale Computing Borders

Are ARM Server Chips Xeon Class, And Does It Matter?

Intel Does The Math On Broadwell Server Upgrades

Exascale Timeline Pushed to 2023: What's Missing in Supercomputing?

Telcos Dial Up OpenStack And Mainstream It

The Once And Future IBM Platform

Emphasis on Data Wrangling Brings Materials Science Up to Speed

OpenStack Still Has A Place In The Stack


Hit this link to see a full chronological listing of The Platform stories.


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In case you haven't noticed, IBM'er Tim Rowe and his team have been delivering a tremendous amount of open source the past few years--sometimes through vendor relationships and sometimes directly from IBM. While frequency has increased as of late, open source has actually been a mainstay on IBM i and its predecessors for a very long time. It started with the Apache web server, then Java, then PHP and MySQL, Ruby, Node.js, Python, and even more you haven't even heard of. Open source (in particular Node.js) will be the topic of this article. But first, let me give you some background on my history with RPG.
Today I follow up on a topic that Susan Gantner covered a few years ago, namely, how to more easily manage the library list while working in Rational Developer for i (RDi). It turns out that a couple of commands I wrote for green-screen work years ago are even more useful in my GUI development environment.
In the preceding two articles, we saw how to extract, analyze and correct table and column definitions. In this, the final article on refacing your database, we look at some more options for re-representing data and, finally, generating a script to create the required views.
Two weeks ago, concurrent with the launch of IBM i 7.3, Big Blue announced a slew of new flash storage drives and storage controllers, which we told you about based on the announcement letters as we normally do. Since that time, we have got our hands on some internal analysis that IBM has done for Power Systems partners and customers, and are sharing that with you to help in your buying decisions as you contemplate adding flash to your systems or, perhaps, even going all flash.
Security threats--data breaches with bruising economic consequences that are triggered from within organizations, not outside--are beginning to grab the attention businesses formerly passive about the risks of status quo unpreparedness. Could be just in the nick of time. "We'd be lying if we said breaches were only happening to a small percentage of IBM i systems," says Robin Tatam, director of security technologies at HelpSystems and the author of 2016 State of IBM i Security Study.
A new release of the HyperSwap feature in IBM's PowerHA Enterprise Edition will give IBM i shops better protection against IBM i downtime--in particular during planned downtime events, like operating system upgrades. IBM also released a statement of direction to bring more disaster recovery (DR) capabilities to HyperSwap, including support for a remotely located third copy of IBM i data.
One of IT Jungle's touchstone people in the IBM midrange community is Jim Buck. He's just signed on for his 13th year as president of the Wisconsin Midrange Computing Professionals Association (WMCPA) and his day job is RPG instructor at Gateway Technical College. He is also the co-author of Programming in RPG IV, which is in its fifth edition. Buck knows the IBM i territory, and his experiences are indicators of where we are.
It's been only 10 days since IBM i 7.3 became generally available, and customers are just starting to play around with it. While we don't expect many 7.3 environments to go into production right away, a surprising number of software vendors already support it. And you might be interested in learning about the innovative new way that IBM is helping vendors get current on new releases, namely the Power Development Cloud (PDP).
How important is data confidentiality to you? On a scale of one to 10, it should be the only double-digit number you can choose. The risks for those unable to control and protect their information are far greater than ever before. The same thing will be said each year into the foreseeable future. So when looking for innovative ways to protect information, IBM acted by adding a tool called authority collection to the new i 7.3 release.
It is easy to say that the IBM we know today, or more precisely are trying to get to know as it undergoes its changes, is far different from the one that we were trying to understand two decades ago as it was going through another tumultuous transformation. The Big Blue from the middle 1990s was a systems company before and after that change, but it is harder to see the International Business Machines skeleton inside the new Big Blue.
The marriage of open source and IBM i reminds me of a marriage statistic that recently came to my attention: Approximately $6 billion in revenue is lost by American businesses as a result of decreased worker productivity linked to marriage hardship. Employees in a happy marriage, in contrast, tend to increase a company's bottom line. From what I have seen of IBM i advocates in relationships with open source, happiness seems to abound.
All operating systems are not created equal, at least not when it comes to NUMA scalability. For a long time now, the IBM i operating system has trailed the scalability of its peers, AIX and Linux, on Power processors when it comes to spanning the large number of cores and threads that IBM forges into its Power machinery.
Continuing where we left off in Part 1, a slew of new IBM i services (and enhancements to existing services) were released in IBM i 7.2 TR3 and IBM i 7.1 TR11. This article continues to detail some of the important new services.
At the recent RPG & DB2 Summit in Dallas, I presented a session that dealt with the use of SQL in CL. One of my examples used the SCHEDULED_JOB_INFO view to retrieve scheduled jobs from the IBM i job scheduler. After the talk, one of the attendees gave me a great idea, and I've just got to pass it along to you.
The whole purpose of refacing our database is to give proper names to tables and columns. So we have to spend some time ensuring that our names are right. In this article, the second in a series of three, we continue the refacing process by analyzing and correcting our new naming.
As we reported last week in discussing IBM's Power processor roadmap for the next five-plus years, there is not going to be a Power8+ revamp of existing Power Systems machines. Instead, IBM has rejiggered the Power8 chip to create a variant aimed at supercomputing and deep learning workloads that allows for high-speed NVLink coupling between Nvidia "Pascal" Tesla GPU coprocessors and the Power8 chip.