June 2012
14 posts
Iago - A load generator, built for engineers →
He was full of shame and it felt so good
– derekg.org - context unknown
Building VIM 7.3 Against Ruby 1.9.3 on OS X
A quick search on google shows that building VIM against a modern ruby version on OS X isn’t trivial.
This is worth reading if you’re trying to build vim in this environment and have seen the following error:
dyld: Symbol not found: _environ
Referenced from: /Users/bmatheny/.rvm/rubies/ruby-1.9.3-p194/lib/libruby.1.9.1.dylib
Expected in: flat namespace
in...
In mario kart, when I make the Koopa Troopa Beach...
whatshouldwecallme:
Jacob Bijani: Jetpants: a toolkit for huge MySQL... →
engineering:
Tumblr is one of the largest users of MySQL on the web. At present, our data set consists of over 60 billion relational rows, adding up to 21 terabytes of unique relational data. Managing over 200 dedicated database servers can be a bit of a handful, so naturally we engineered…
Latency numbers for humans
Times
L1 cache reference ......................... 0.5 ns
Branch mispredict ............................ 5 ns
L2 cache reference ........................... 7 ns
Mutex lock/unlock ........................... 25 ns
Main memory reference ...................... 100 ns
Compress 1K bytes with Zippy ............. 3,000 ns = 3 µs
Send 2K bytes over 1 Gbps network ....... 20,000 ns = 20...