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ToroDB

ToroDB is an open source, document-oriented, JSON database that runs on top of PostgreSQL. JSON documents are stored relationally, not as a blob/jsonb. This leads to significant storage and I/O savings. It speaks natively the MongoDB protocol, meaning that it can be used with any mongo-compatible client.

ToroDB follows a RERO (Release Early, Release Often) policy. Current version is considered a "developer preview" and hence is not suitable for production use. However, any feedback, contributions, help and/or patches are very welcome.

Requisites

ToroDB is written in Java and requires:

  • A suitable JVM, version 6 or higher. It has been tested with Oracle JVM v8.
  • A PostgreSQL database, version 9.4. PostgreSQL 9.4 is currently in beta3.

Installation

You may compile ToroDB yourself. All the project is written in Java and managed with Maven, so you need a javac and maven. Just execute "mvn package" on the root directory and find the executable jar file in torodb/target/torodb-0.10-jar-with-dependencies.jar.

Alternatively, you may download a compiled version from ToroDB's maven repository.

Running ToroDB

Execute with java -jar <path>/torodb-0.10-jar-with-dependencies.jar <arguments>. If you run with --help, you will see the required and optional arguments to run ToroDB:

--ask-for-password
   Force input of PostgreSQL's database user password.
   Default: false
-c, --connections
   Number of connections to establish to the PostgreSQL database
   Default: 10
-d, --dbname
   PostgreSQL's database name to connect to (must exist)
   Default: torod
-p, --dbport
   PostgreSQL's server port
   Default: 5432
--debug
   Change log level to DEBUG
   Default: false
-h, --host
   PostgreSQL's server host (hostname or IP address)
   Default: localhost
-P, --mongoport
   Port to listen on for Mongo wire protocol connections
   Default: 27017
--help, --usage
   Print this usage guide
   Default: false
-u, --username
   PostgreSQL's database user name. Must be a superuser
   Default: postgres
--verbose
   Change log level to INFO
   Default: false

The database must exist, and the username must have superuser privileges. This will be changed in the future.

Alternatively to the command line options, you may create a ~/.toropass file, which follows the syntax of PostgreSQL's pgpass files.

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