Analysis of open source DBMS vendor MySQL (recently acquired by Sun Microsystems), its products, and other products in the MySQL ecosystem. Related subjects include:

August 6, 2012

Notes, links and comments August 6, 2012

I haven’t done a notes/link/comments post for a while. Time for a little catch-up.

1. MySQL now has a memcached integration story. I haven’t checked the details. The MySQL team is pretty hard to talk with, due to the heavy-handedness of Oracle’s analyst relations.

2. The Large Hadron Collider offers some serious numbers, including:

3. One application area we don’t talk about much for analytic technologies is education. However: Read more

July 25, 2012

SQL Server to MySQL migration — why?

Oracle wants you to help you migrate from Microsoft SQL Server to MySQL. I was asked for comment, and replied:

Am I missing anything?

July 18, 2012

Clustrix 4.0 and other Clustrix stuff

It feels like time to write about Clustrix, which I last covered in detail in May, 2010, and which is releasing Clustrix 4.0 today. Clustrix and Clustrix 4.0 basics include:

The biggest Clustrix installation seems to be 20 nodes or so. Others seem to have 10+. I presume those disaster recovery customers have 6 or more nodes each. I’m not quite sure how the arithmetic on that all works; perhaps the 125ish count of nodes is a bit low.

Clustrix technical notes include: Read more

June 14, 2012

Workday update

In August 2010, I wrote about Workday’s interesting technical architecture, highlights of which included:

I caught up with Workday recently, and things have naturally evolved. Most of what we talked about (by my choice) dealt with data management, business intelligence, and the overlap between the two.

It is now reasonable to say that Workday’s servers fall into at least seven tiers, although we talked mainly about five that work together as a kind of giant app/database server amalgamation. The three that do noteworthy data management can be described as:

Two other Workday server tiers may be described as: Read more

April 7, 2012

Many kinds of memory-centric data management

I’m frequently asked to generalize in some way about in-memory or memory-centric data management. I can start:

Getting more specific than that is hard, however, because:

Consider, for example, some of the in-memory data management ideas kicking around. Read more

March 19, 2012

Akiban update

I have a bunch of backlogged post subjects in or around short-request processing, based on ongoing conversations with my clients at Akiban, Cloudant, Code Futures (dbShards), DataStax (Cassandra) and others. Let’s start with Akiban. When I posted about Akiban two years ago, it was reasonable to say:

All of the above are still true. But unsurprisingly, plenty of the supporting details have changed. Read more

February 15, 2012

Quick notes on MySQL Cluster

According to the MySQL Cluster home page, today’s MySQL Cluster release has — give or take terminology details :) –  added transparent sharding (Edit: Actually, please see the first comment below) and a memcached interface. My quick comments on all this to a reporter a couple of days ago were:

I don’t really know enough about MySQL Cluster right now to comment in more detail.

January 24, 2012

Microsoft SQL Server 2012 and enterprise database choices in general

Microsoft is launching SQL Server 2012 on March 7. An IM chat with a reporter resulted, and went something like this.

Reporter: [Care to comment]?
CAM: SQL Server is an adequate product if you don’t mind being locked into the Microsoft stack. For example, the ColumnStore feature is very partial, given that it can’t be updated; but Oracle doesn’t have columnar storage at all.

Reporter: Is the lock-in overall worse than IBM DB2, Oracle?
CAM: Microsoft locks you into an operating system, so yes.

Reporter: Is this release something larger Oracle or IBM shops could consider as a lower-cost alternative a co-habitation scenario, in the event they’re mulling whether to buy more Oracle or IBM licenses?
CAM: If they have a strong Microsoft-stack investment already, sure. Otherwise, why?

Reporter: [How about] just cost?
CAM: DB2 works just as well to keep Oracle honest as SQL Server does, and without a major operating system commitment. For analytic databases you want an analytic DBMS or appliance anyway.

Best is to have one major vendor of OTLP/general-purpose DBMS, a web DBMS, a DBMS for disposable projects (that may be the same as one of the first two), plus however many different analytic data stores you need to get the job done.

By “web DBMS” I mean MySQL, NewSQL, or NoSQL. Actually, you might need more than one product in that area.

November 23, 2011

Hope for a new PostgreSQL era?

In a comedy of briefing errors, I’m not too clear on the details of my client’s new PostgreSQL-as-a-service offering, nor exactly on what my clients at VMware are bringing to the PostgreSQL virtualization/cloud party. That said:

So I think it would be cool if one or the other big company put significant wood behind the PostgreSQL arrow.

*While Vertica was originally released using little or no PostgreSQL code — reports varied — it featured high degrees of PostgreSQL compatibility.

October 23, 2011

Transparent relational OLTP scale-out

There’s a perception that, if you want (relatively) worry-free database scale-out, you need a non-relational/NoSQL strategy. That perception is false. In the analytic case it’s completely ridiculous, as has been demonstrated by Teradata, Vertica, Netezza, and various other MPP (Massively Parallel Processing) analytic DBMS vendors. And now it’s false for short-request/OLTP (OnLine Transaction Processing) use cases as well.

My favorite relational OLTP scale-out choice these days is the SchoonerSQL/dbShards partnership. Schooner Information Technology (SchoonerSQL) and Code Futures (dbShards) are young, small companies, but I’m not too concerned about that, because the APIs they want you to write to are just MySQL’s. The main scenarios in which I can see them failing are ones in which they are competitively leapfrogged, either by other small competitors – e.g. ScaleBase, Akiban, TokuDB, or ScaleDB — or by Oracle/MySQL itself. While that could suck for my clients Schooner and Code Futures, it would still provide users relying on MySQL scale-out with one or more good product alternatives.

Relying on non-MySQL NewSQL startups, by way of contrast, would leave me somewhat more concerned. (However, if their code is open sourced. you have at least some vendor-failure protection.) And big-vendor scale-out offerings, such as Oracle RAC or DB2 pureScale, may be more complex to deploy and administer than the MySQL and NewSQL alternatives.

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