Very short description of the application.
Applicatoin is written in ruby language, using Ruby on Rails web framework.
Very short description of the application.
Applicatoin is written in ruby language, using Ruby on Rails web framework.
Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
> ~/tcp_redis_monitor.py 6379 | |
Timestamp Nb TX bytes RX bytes TX RMA RX RMA | |
1333983822.943 1 0 0 0.000 0.000 | |
1333983823.193 1 0 0 0.000 0.000 | |
1333983824.194 1 0 0 0.000 0.000 | |
1333983825.195 1 0 0 0.000 0.000 | |
1333983826.196 1 0 0 0.000 0.000 |
--colour | |
-I app |
Get Homebrew installed on your mac if you don't already have it
Install highlight. "brew install highlight". (This brings down Lua and Boost as well)
# ... | |
gem 'carrierwave' | |
gem 'fog', '~> 1.0.0' # Need to specify version, as carrierwave references older (0.9.0) which doesn't allow configuration of Rackspace UK Auth URL |