Today I’m reading about the PNUTS distributed database that was developed by Yahoo. I’m giving the PNUTS paper pass 1:3, and reading some background material I found on highscalability about the database. The paper: PNUTS: Yahoo!’s Hosted Data Serving Platform…
I’m keeping public track of what I read. Today I read three papers using the three pass method. First pass I did a first pass over two papers on distributed file systems. Both papers are by authors Sage A. Weil,…
Below are four different (partially overlapping) lists of papers one should read in distributed systems. Dan Creswell: A Distributed Systems Reading List Swami Sivasubramanian: Building scalable systems Dr. Manish Parashar: Parallel and Distributed Computing Bytepawn: Readings in distributed systems (currently…
I have found some tutorials (1 and 2) for using the hstore column type in PostgreSQL. This blog post is specific to querying OpenStreetMap data using the tags column in relations ways and nodes (the tags column is a hstore).
This blog post is made as a “note-to-self” so that I can remember the procedure. You are of course welcome to read along. It’s does nothing fancy, simply imports the planet.osm file into PostGIS using Osmosis with the Snapshot Schema.…
Situation: You have a large pile of computer science papers in front of you. You want to read them all. What to do? My suggestion is that you read the two guides below. They are really short and helpful. I’m…
VM benchmarking General benchmarking tools phoronix is a testing and benchmarking platform.
Install SQLAlchemy This is easy (using pip): pip install sqlalchemy Learn SQLAlchemy This tutorial uses an in memory SQLite database, which is cool in itself. Various topics: Indexes
Apache Cassandra is a column-store with a p2p distribution architecture. Yesterday I did a presentation about Cassandra at Grontmij, Glostrup, Denmark. I made the slides in Google Docs, and they’re public: slides.
I tried the Tor browser today, and was amazed at how slow it was. As Tor’s user base has grown, the performance of the Tor network has suffered. This document describes the current understanding of why Tor is slow, and…