![]() In the simple setup, this node also acts as the interface for all queries to the cluster. ![]() Pg_shard uses a master node to store shard metadata. Note that taking advantage of the new repair functionality requires that you also install pg_shard on all your worker nodes. Run ALTER EXTENSION pg_shard UPDATE on the PostgreSQL server.Build and install the latest pg_shard release (see the Building section).To upgrade an existing installation, simply: Note: If you’d like to build against CitusDB, please contact us at engage. ![]() To verify your installation, start your PostgreSQL instance with the shared_preload_libraries setting mentioned below, and run make installcheck. Sudo PATH=/opt/citusdb/4.0/bin/:$PATH make install Sudo PATH=/usr/local/pgsql/bin/:$PATH make install # Path when PostgreSQL is compiled from source This path is typically the same as your PostgreSQL installation’s bin/ directory path. For this, you will need to include the pg_config directory path in your make command. Once you have PostgreSQL or CitusDB installed, you’re ready to build pg_shard. Building pg_shard requires GCC 4.6 or greater (or a similarly recent version of Clang). The extension works with PostgreSQL 9.3.4+, PostgreSQL 9.4.0+, and CitusDB 3.2+. Also, we’re actively working on improving pg_shard, and welcome any questions or feedback on our mailing list. We address architectural questions on sharding, shard rebalancing, failure handling, and distributed consistency mechanisms on our webpage. This README serves as a quick start guide. Further, the extension provides access to standard SQL tools, and powerful PostgreSQL features, such as diverse set of indexes and semi-structured data types. It also enables real-time analytics, and has an easy upgrade path to CitusDB for complex analytical workloads (distributed joins). Join the mailing list to stay on top of the latest developments.Īs a standalone extension, pg_shard addresses many NoSQL use cases. The extension also seamlessly distributes your SQL statements, without requiring any changes to your application. It shards and replicates your PostgreSQL tables for horizontal scale and high availability. Pg_shard is a sharding extension for PostgreSQL.
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