Q Tips

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

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 Magazine.

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 tradeq tables set to 'qdb'.

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

The Errors

Any typos and errors are listed here. The Kindle version has been updated to include all corrections.