3ef36681cc3a324aed6f2b78fa3da4e3624f43ff
This adds the latency histogram to the column_family swagger definitions. The definitions are based on the ColumnFamilyMetrics. It adds the following commands: get_read_latency_histogram get_all_read_latency_histogram get_write_latency_histogram get_all_write_latency_histogram Signed-off-by: Amnon Heiman <amnon@cloudius-systems.com>
#Urchin
##Building Urchin
In addition to required packages by Seastar, the following packages are required by Urchin.
Submodules
Urchin uses submodules, so make sure you pull the submodules first by doing:
git submodule init
git submodule update
Building urchin on Fedora
Installing required packages:
sudo yum install yaml-cpp-devel lz4-devel zlib-devel snappy-devel jsoncpp-devel
Building urchin on Ubuntu 14.04
Installing required packages:
sudo apt-get install libyaml-cpp-dev liblz4-dev zlib1g-dev libsnappy-dev libjsoncpp-dev
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