Giving KyotoCabinet a go
Install KC: wget tar xzvf kyotocabinet-1.2.76.tar.gz cd kyotocabinet-1.2.76 ./configure && make && make install # takes a couple of minutes
Having a look at LevelDB
Note: It is worth noting that (the way I interpret it) one of the authors of LevelDB (Sanjay) recommends using TokyoCabinet if the workload is more read-oriented. In turn the TokyoCabinet authors recommend using KyotoCabinet :-) (see video with a…
Idea: Automatic theft prevention in public spaces
Background When I’m at the library, I’d like to be able to go to the toilet, without collecting all my stuff from the table. Part of the solution is to have a camera installed that films all the tables, but…
Toying around with Google BigQuery Python CLI
BigQuery is an API developed by Google for querying big data using an SQL like language. For beginners I can recommend this video presentation on BigQuery. It also covers the open source version (Apache Drill) of the software (Dremel) underlying…
Summary of memcached commands as used through telnet
The two main things to do with a memcached cluster is getting a key and setting a key to a value. Below are examples of this, with parameters explained (something most examples miss for some reason?). Examples Connect to memcached:…
Deploying a Tornado project in production using Github and WebFaction.
In the following I’m using a server from Webfaction, and my Tornado source code is hosted on Github. Some things are specific to those providers, but should be very easy to adapt. The following is organized into two sections.
Podcast: Sage Weil talks about Ceph
Podcast (mp3)
Optimizing nginx performance
Found these links that have valuable tips for achieving nginx performance: I’ll try to benchmark before and after with ab and post the results here.
Installing nginx on Mac with pcre library
To build nginx on Mac OS X Snow Leopard, I use the following options to configure ./configure –with-ld-opt=”-L/usr/local/lib” –with-cc-opt=”-I/usr/local/include” If the ld and cc options are not given, it results in an error reported in a ticket on the nginx…
Testing performance of HTTP server with Apache Bench
To benchmark a HTTP server, you can use the command-line utility Apache Bench (command ab). If you have Python installed, you can start a HTTP server, e.g. running on port 10000, in any directory of your system. It will serve…