Chain Replicated Redis

Building

git submodule init
git submodule update

# Install tcmalloc according to
# https://github.com/gperftools/gperftools/blob/master/INSTALL

pushd redis && env USE_TCMALLOC=yes make -j && popd
pushd glog && cmake . && make -j install && popd
pushd leveldb && make -j && popd

mkdir build; cd build
cmake ..
make -j

Trying it out

First we start the master and two chain members:

cd build/src
# Start the master
../../redis/src/redis-server --loadmodule libmaster.so --port 6369
# Start the first chain members
../../redis/src/redis-server --loadmodule libmember.so --port 6370
../../redis/src/redis-server --loadmodule libmember.so --port 6371

Now we register the chain members with the master:

redis-cli -p 6369 MASTER.ADD 127.0.0.1 6370
redis-cli -p 6369 MASTER.ADD 127.0.0.1 6371

Do some write requests to the first server:

redis-cli -p 6370
> MEMBER.PUT a 1
> MEMBER.PUT b 2

Add a new tail:

../../redis/src/redis-server --loadmodule libmember.so --port 6372
redis-cli -p 6369 MASTER.ADD 127.0.0.1 6372

Check that replication worked:

redis-cli -p 6372
> get a