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Cassandra based storage layer for JGit
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org.eclipse.jgit.storage.cassandra ---------------------------------- This package is a trivial implementation of the org.eclipse.jgit.storage.dht.spi interface, binding JGit's generic DHT storage onto the Apache Cassandra NoSQL database. Install Cassandra 0.7 or later, and start it on at least one node. The MAX_HEAP_SIZE setting needs to be at least 2G to work with the 400M linux-2.6.git repository: MAX_HEAP_SIZE=2G cassandra/bin/cassandra -f Define the keyspace and schema in Cassandra: cassandra/bin/cassandra-cli --host localhost --file schema.cs Compile this package, you may need JGit first: (cd ../jgit && mvn clean install) mvn clean package Create a repository: java -jar ./target/jgit-cs.jar \ cassandra-init \ git+cassandra://localhost/test/git_store/jgit.git A git+cassandra repository URI has the obvious hostname component (here "localhost"). The path starts with a cluster name, which is only used internally for the connection pool (here "test"), and then has the keyspace name (here "git_store"). The remainder of the URI path is the repository path name ("jgit.git"). Launch a Git daemon, which needs at least 800M to handle the linux-2.6 repository. Currently JGit's DHT implementation holds onto the entire pack during receive, to implement delta resolution efficiently. java -Xmx800m -jar ./target/jgit-cs.jar cassandra-daemon \ --enable receive-pack git+cassandra://localhost/test/git_store Push to it: git push git://localhost/jgit.git master Clone from it: git clone git://localhost/jgit.git