March 19, 2017

Cloudera’s Data Science Workbench

0. Matt Brandwein of Cloudera briefed me on the new Cloudera Data Science Workbench. The problem it purports to solve is:

Cloudera’s idea for a third way is:

In theory, that’s pure goodness … assuming that the automagic works sufficiently well. I gather that Cloudera Data Science Workbench has been beta tested by 5 large organizations and many 10s of users. We’ll see what is or isn’t missing as more customers take it for a spin.

Read more

March 12, 2017

Introduction to SequoiaDB and SequoiaCM

For starters, let me say:


Unfortunately, SequoiaDB has not captured a lot of detailed information about unpaid open source production usage.

Read more

March 1, 2017

One bit of news in Trump’s speech

Donald Trump addressed Congress tonight. As may be seen by the transcript, his speech — while uncharacteristically sober — was largely vacuous.

That said, while Steve Bannon is firmly established as Trump’s puppet master, they don’t agree on quite everything, and one of the documented disagreements had been in their view of skilled, entrepreneurial founder-type immigrants: Bannon opposes them, but Trump has disagreed with his view. And as per the speech, Trump seems to be maintaining his disagreement.

At least, that seems implied by his call for “a merit-based immigration system.”

And by the way — Trump managed to give a whole speech without saying anything overtly racist. Indeed, he specifically decried the murder of an Indian-immigrant engineer. By Trump standards, that counts as a kind of progress.

Edit (March 5): But now there is negative-seeming news about H1-B visas.

February 28, 2017

Coordination, the underused “C” word

I’d like to argue that a single frame can be used to view a lot of the issues that we think about. Specifically, I’m referring to coordination, which I think is a clearer way of characterizing much of what we commonly call communication or collaboration.

It’s easy to argue that computing, to an overwhelming extent, is really about communication. Most obviously:

Indeed, it’s reasonable to claim:

A little less obvious is the much of this communication could be alternatively described as coordination. Some communication has pure consumer value, such as when we talk/email/Facebook/Snapchat/FaceTime with loved ones. But much of the rest is for the purpose of coordinating business or technical processes.

Among the technical categories that boil down to coordination are:

That’s a lot of the value in “platform” IT right there.  Read more

February 2, 2017

There’s no escape from politics now

The United States and consequently much of the world are in political uproar. Much of that is about very general and vital issues such as war, peace or the treatment of women. But quite a lot of it is to some extent tech-industry-specific. The purpose of this post is outline how and why that is.

For example:

Because they involve grave threats to liberty, I see surveillance/privacy as the biggest technology-specific policy issues in the United States. (In other countries, technology-driven censorship might loom larger yet.) My views on privacy and surveillance have long been:

Given the recent election of a US president with strong authoritarian tendencies, that foot-dragging is much more important than it was before.

Other important areas of technology/policy overlap include: Read more

February 2, 2017

Politics and policy in the age of Trump

The United States presidency was recently assumed by an Orwellian lunatic.* Sadly, this is not an exaggeration. The dangers — both of authoritarianism and of general mis-governance — are massive. Everybody needs in some way to respond.

*”Orwellian lunatic” is by no means an oxymoron. Indeed, many of the most successful tyrants in modern history have been delusional; notable examples include Hitler, Stalin, Mao and, more recently, Erdogan. (By way of contrast, I view most other Soviet/Russian leaders and most jumped-up-colonel coup leaders as having been basically sane.)

There are many candidates for what to focus on, including:

But please don’t just go on with your life and leave the politics to others. Those “others” you’d like to rely on haven’t been doing a very good job.

What I’ve chosen to do personally includes: Read more

December 18, 2016

Introduction to and CrateDB and CrateDB basics include:

In essence, CrateDB is an open source and less mature alternative to MemSQL. The opportunity for MemSQL and CrateDB alike exists in part because analytic RDBMS vendors didn’t close it off.

CrateDB’s not-just-relational story starts:

Read more

November 23, 2016

DBAs of the future

After a July visit to DataStax, I wrote

The idea that NoSQL does away with DBAs (DataBase Administrators) is common. It also turns out to be wrong. DBAs basically do two things.

  • Handle the database design part of application development. In NoSQL environments, this part of the job is indeed largely refactored away. More precisely, it is integrated into the general app developer/architect role.
  • Manage production databases. This part of the DBA job is, if anything, a bigger deal in the NoSQL world than in more mature and automated relational environments. It’s likely to be called part of “devops” rather than “DBA”, but by whatever name it’s very much a thing.

That turns out to understate the core point, which is that DBAs still matter in non-RDBMS environments. Specifically, it’s too narrow in two ways.

My wake-up call for that latter bit was a recent MongoDB 3.4 briefing. MongoDB certainly has various efforts in administrative tools, which I won’t recapitulate here. But to my surprise, MongoDB also found a role for something resembling relational database design. The idea is simple: A database administrator defines a view against a MongoDB database, where views: Read more

November 23, 2016

MongoDB 3.4 and “multimodel” query

“Multimodel” database management is a hot new concept these days, notwithstanding that it’s been around since at least the 1990s. My clients at MongoDB of course had to join the train as well, but they’ve taken a clear and interesting stance:

When I pointed out that it would make sense to call this “multimodel query” — because the storage isn’t “multimodel” at all — they quickly agreed.

To be clear: While there are multiple ways to read data in MongoDB, there’s still only one way to write it. Letting that sink in helps clear up confusion as to what about MongoDB is or isn’t “multimodel”. To spell that out a bit further: Read more

October 21, 2016

Rapid analytics

“Real-time” technology excites people, and has for decades. Yet the actual, useful technology to meet “real-time” requirements remains immature, especially in cases which call for rapid human decision-making. Here are some notes on that conundrum.

1. I recently posted that “real-time” is getting real. But there are multiple technology challenges involved, including:

2. In early 2011, I coined the phrase investigative analytics, about which I said three main things: Read more

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