This stuff blows my mind. Gregory Palamas (1296–135), spelled Γρηγόριος Παλαμάς in greek, was a monk on Mount Athos, a place I’ve visited with my father two times. It is a beautiful peninsula in northern Greece, scattered with old monasteries.…
Docker is a cool idea and open-source product, that seems to be taking the tech community by storm. Wired will tell you why it is cool in a story titled The Man Who Built a Computer the Size of the…
Today I watched a video on RAMCloud. I have made an index over the various sections of the video, with direct links. You’ll find this index in the bottom of this post. “The RAMCloud project is creating a new class…
Warning: This is not a very interesting post. I’m toying around with the Redis benchmarking tool. What would be significantly more interesting would be to toy around with the Lua API in Redis, which I’ll do in a subsequent post.…
The profiling tool in GNU is called gprof. Here is a short, boring example of how to use it. 1) Write hello world in C (hello.c) #include int foo() { int b = 54324; int j; for (j=0; j <…
To time the execution of various stages of a long transaction, I’m using the following function: CREATE OR REPLACE FUNCTION CVL_TimerLap() RETURNS double precision AS $$ import time now = time.time() if not SD.has_key(‘t_last’): SD[‘t_last’] = now elapsed = now…
Come join the DIKU APL channel on IRC:
Having reinstalled PostgreSQL with support for Python and pointing at my non-system python, it is time to test whether I can use the convex optimizer library I’ve installed in my Python 2.7 (pip install cvxopt). Install PL/Python if not already…
Peter Eisentraut has written some good slides on coding PostgreSQL clients in Python and on using Python as a stored procedures language in PostgreSQL. First half deals with using Python as a Postgres client. Second half deals with coding stored…
I don’t know why, but I really liked to read this post by Bill Gates. In an odd way it was heart warming :-) Three Things I’ve Learned From Warren Buffett Maybe I should start reading Bill Gates blog as…