はてなブックマーク

An entry from 2009-10-30 in the Journal. Continuing from yesterday's talks here are my summary of the second and last day of NoSQL East. Pig--Kevin Weil--Twitter Data is getting big. NYSE produces 1TB of data every day, Facebook produces 20TB+ of compressed data each day, and CERN produces 40TB each day (15PB each year). This creates a need for multiple machines and horizontal scalability. Hadoop

An entry from 2009-10-29 in the Journal. After using a non-relational database while creating was it up? I've learned first hand that MySQL or PostgreSQL isn't always the best solution. Since was it up? is a web monitoring service it needs to be distributed to minimize the likelihood of downtime. Tokyo Tyrant was therefore used with a master to master replication setup so that write operations sti

An entry from 2009-03-14 in the Journal. I had a set of items which needed to be browsable by date, so naturally I turned to Django's date-based generic views. I imagined the monthly archives would be more informative if I rendered them as a monthly calendar with items inlined. I took a look at existing reusable apps providing calendar functionality for Django like django-schedule and django-swing