Q Tips

This project contains the source files for "Q Tips: Fast, Scalable and Maintainable Kdb+".¹

The Book

Q Tips can be purchased on Amazon. A Kindle version is also available. Books may be purchased in quantity and/or special sales by contacting the publisher, Vector Sigma. Read a review by Yang Guo published by Vector, the Journal of the British APL Association.

Check out Kx System's press release.

The Source

Install q from Kx System's kdb+ download page and grab a copy of the Q Tips source.

$ git clone https://github.com/psaris/qtips

The CEP Engine

The following command starts the CEP engine on port 5001, with a maximum workspace size of 200 Mb, the timer set to run every 100 ms, the end of day event set to run at 4:00 PM, and the directory to save the price, quote and trade tables set to 'qdb'.

$ q cep.q -p 5001 -w 200 -t 100 -eod 16:00 -db qdb

The Errors

Any typos or errors are listed here and are incorporated into recent printings of the book as well as the Kindle version.

The Swag

Swag can be found on the Vector Sigma Spring site.

Footnotes

1. More presentations, competitions and books by Nick Psaris can be found at https://nick.psaris.com ↩