Hadoopoopadoop, Time and Material, and Sculpture in Our Time are by me, Peter Coates, a long-time software engineer and some-time artist (more about that below.) Just lately I’ve been concentrating on making art, but that’s coming off a few years doing big data in New York with the Hortonworks Hadoop platform with Hortonworks and  elsewhere.

Hadoopoopadoop has pro-Horton bias but I don’t speak for Hortonworks in any capacity, so please assume that any mistakes or crackpot opinions are all mine. Most of what you’ll find in this blog concerns basic core Hadoop but HDP is a big distribution with many other components including HBase, Storm, Kafka, Atlas and Ranger, to name just a few.  There are also some articles on non-Hadoop big data projects I’ve done.

 My interest in Hadoop developed from a background in other distributed computing technologies, including CORBA, Tibco, JMS, Gigaspaces, and NoSQL databases. I’ve mostly used Java for the last few years, but I’ve worked with C, Smalltalk, C++, and many other languages.

I have a side interest in probabilistic algorithms for processing information in unusual ways that aren’t necessarily classic “big data” (see the blog entries on analyzing Twitter and estimating Levenshtein distance from signatures.)

 Sculpture Wiki is a manual on stone carving techniques, tools, aesthetic issues and history. Basically, a giant how-to on sculpture. It uses some interesting Web tech. The content is written using the LaTex typesetting language plus the Hyperlatex package instead of the usual HTML and JavaScript. This combination allows a single body of text to be automatically issued as both a Web site and as a book.

LaTex is a markup language similar to HTML, but for producing high quality typesetting. It’s widely used for mathematics and computer science papers, but it’s fully general—you can typeset pretty much anything with it from books to poetry. Hyperlatex lets you issue your document as a Web page by cross compiling it into HTML. Elements which are specific to the book or the Web page can be tagged for appropriate handling. Once the document is fully marked up, further change to the content automatically appear in both—there are no extra steps to issue the book.  

Sculpture in Our Time is articles about aesthetics. It’s not updated much and I’m going to move it into one of the others.

Time and Material is my place for general essays and comments.

I’ve written about books for The Second Pass.

Below are some samples of my work in the plastic arts:


Pig, painted wood, 2017


Lamb, painted wood, 2017



Chicken, painted wood, 2017


Goat, wood, 2017


Cow, wood, 2017


Girl, marble, 2015

Imported Photos 00014

Club girl, concrete, 2012

(Yes—it’s the same young woman.)


A polychromed wood panel over the entrance to our old house in Brooklyn, c. 2015. It’s all the non-arthropod pets and other animals that were part of our lives there. I sold the old pile a year or so ago. Don’t miss it a bit.



2010  Marble, life-size


c. 2008 Concrete, life size


c. 1988  Painted wood, app. 1.25x life size. The image was lifted from a magazine photo.


c. 1988 Painted wood, app. life size, also lifted from a magazine photo.


c 1986 Oil on canvas, 18″x18″  This was one of scores of paintings I did in the same format.



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