NewSQL

Discussion of NewSQL products and vendors such as Akiban, Tokutek, VoltDB and dbShards. See also transparent sharding.

March 28, 2014

NoSQL vs. NewSQL vs. traditional RDBMS

I frequently am asked questions that boil down to:

The details vary with context — e.g. sometimes MySQL is a traditional RDBMS and sometimes it is a new kid — but the general class of questions keeps coming. And that’s just for short-request use cases; similar questions for analytic systems arise even more often.

My general answers start:

In particular, migration away from legacy DBMS raises many issues:  Read more

February 9, 2014

Distinctions in SQL/Hadoop integration

Ever more products try to integrate SQL with Hadoop, and discussions of them seem confused, in line with Monash’s First Law of Commercial Semantics. So let’s draw some distinctions, starting with (and these overlap):

In particular:

Let’s go to some examples. Read more

November 10, 2013

RDBMS and their bundle-mates

Relational DBMS used to be fairly straightforward product suites, which boiled down to:

Now, however, most RDBMS are sold as part of something bigger.

Read more

November 8, 2013

Comments on the 2013 Gartner Magic Quadrant for Operational Database Management Systems

The 2013 Gartner Magic Quadrant for Operational Database Management Systems is out. “Operational” seems to be Gartner’s term for what I call short-request, in each case the point being that OLTP (OnLine Transaction Processing) is a dubious term when systems omit strict consistency, and when even strictly consistent systems may lack full transactional semantics. As is usually the case with Gartner Magic Quadrants:

Anyhow:  Read more

August 31, 2013

Tokutek’s interesting indexing strategy

The general Tokutek strategy has always been:

But the details of “writes indexes efficiently” have been hard to nail down. For example, my post about Tokutek indexing last January, while not really mistaken, is drastically incomplete.

Adding further confusion is that Tokutek now has two product lines:

TokuMX further adds language support for transactions and a rewrite of MongoDB’s replication code.

So let’s try again. I had a couple of conversations with Martin Farach-Colton, who:

The core ideas of Tokutek’s architecture start: Read more

July 31, 2013

“Disruption” in the software industry

I lampoon the word “disruptive” for being badly overused. On the other hand, I often refer to the concept myself. Perhaps I should clarify. :)

You probably know that the modern concept of disruption comes from Clayton Christensen, specifically in The Innovator’s Dilemma and its sequel, The Innovator’s Solution. The basic ideas are:

In response (this is the Innovator’s Solution part):

But not all cleverness is “disruption”.

Here are some of the examples that make me think of the whole subject. Read more

July 20, 2013

The refactoring of everything

I’ll start with three observations:

As written, that’s probably pretty obvious. Even so, it’s easy to forget just how pervasive the refactoring is and is likely to be. Let’s survey some examples first, and then speculate about consequences. Read more

June 16, 2013

Webinar Wednesday, June 26, 1 pm EST — Real-Time Analytics

I’m doing a webinar Wednesday, June 26, at 1 pm EST/10 am PST called:

             Real-Time Analytics in the Real World

The sponsor is MemSQL, one of my numerous clients to have recently adopted some version of a “real-time analytics” positioning. The webinar sign-up form has an abstract that I reviewed and approved … albeit before I started actually outlining the talk. ;)

Our plan is:

*MemSQL is debuting pretty high in my rankings of content sponsors who are cool with vendor neutrality. I sent them a draft of my slides mentioning other tech vendors and not them, and they didn’t blink.

In other news, I’ll be in California over the next week. Mainly I’ll be visiting clients — and 2 non-clients and some family — 10:00 am through dinner, but I did set aside time to stop by GigaOm Structure on Wednesday. I have sniffles/cough/other stuff even before I go. So please don’t expect a lot of posts until I’ve returned, rested up a bit, and also prepared my webinar deck.

April 23, 2013

MemSQL scales out

The third of my three MySQL-oriented clients I alluded to yesterday is MemSQL. When I wrote about MemSQL last June, the product was an in-memory single-server MySQL workalike. Now scale-out has been added, with general availability today.

MemSQL’s flagship reference is Zynga, across 100s of servers. Beyond that, the company claims (to quote a late draft of the press release):

Enterprises are already using distributed MemSQL in production for operational analytics, network security, real-time recommendations, and risk management.

All four of those use cases fit MemSQL’s positioning in “real-time analytics”. Besides Zynga, MemSQL cites penetration into traditional low-latency markets — financial services (various subsectors) and ad-tech.

Highlights of MemSQL’s new distributed architecture start: Read more

April 22, 2013

Notes on TokuDB and GenieDB

Last week, I edited press releases back-to-back-to-back for three clients, all with announcements at this week’s Percona Live. The ones with embargoes ending today are Tokutek and GenieDB.

Tokutek’s news is that they’re open sourcing much of TokuDB, but holding back hot backup for their paid version. I approve of this strategy — “doesn’t lose data” is an important feature, and well worth paying for.

I kid, I kid. Any system has at least a bad way to do backups — e.g. one that involves slowing performance, or perhaps even requires taking applications offline altogether. So the real points of good backup technology are:

GenieDB is announcing a Version 2, which is basically a performance release. So in lieu of pretending to have much article-worthy news, GenieDB is taking the opportunity to remind folks of its core marketing messages, with catchphrases such as “multi-regional self-healing MySQL”. Good choice; indeed, I wish more vendors would adopt that marketing tactic.

Along the way, I did learn a bit more about GenieDB. In particular:

I also picked up some GenieDB company stats I didn’t know before — 9 employees and 2 paying customers.

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