rnewson opened a new pull request #1605: Feature/user partitioned databases URL: https://github.com/apache/couchdb/pull/1605 ## Overview This PR introduces a new feature, user-defined partitioned databases. A new kind of database can be created with the `?partitioned=true` option. All documents within the database must have document ids of the following format; partition_name:doc_id both partition_name and doc_id must follow the couchdb id format (can't begin with _, etc). All documents with the same partition_name are guaranteed to be mapped to the same shard range. When querying an index, the new `/db/_partition/$partition/_view` endpoint can query the view more efficiently, by only consulting the single shard range holding the partition. This is much more efficient and scales the same way that primary key lookup (GET /dbname/docid) does (approximately linearly). ## Testing recommendations The PR contains multiple tests for basic functionality and all existing tests still pass. When testing the PR, it is important to try the feature yourself, interactively, with docs and views of your choosing, to give us confidence in this new feature. ## Related Issues or Pull Requests ## Checklist - [x] Code is written and works correctly; - [x] Changes are covered by tests; - [ ] Documentation reflects the changes;
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