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resume_io() is different from start() in that it won't try to read to configuration and will only restart the periodic I/O task (if any). This also means that resume_io() may not fail while start() will return an exceptional future if it fails to read the configuration. pause_io() is a counterpart of resume_io() - it stops the periodic I/O task (if any). After it returns a ready future - snitch will not try to read any configuration until either start() or resume_io() are called. Signed-off-by: Vlad Zolotarov <vladz@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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