sails-redis

Redis adapter for waterline

npm install sails-redis
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Redis Sails/Waterline Adapter Build Status

A Sails/Waterline adapter for Redis. May be used in a Sails app or anything using Waterline for the ORM.

This waterline-redis stores indexes of unique attributes for relatively fast lookups. Collections with multiple unique constraints will create multiple index sets.

Install

In the near future, sails-redis will be available on npm.

Install is through NPM.

$ npm install sails-redis

Configuration

The following connection configuration is available:

// default values inline
config: {
  port: 6379,
  host: 'localhost',
  password: null,
  options: {

    // low-level configuration
    // (redis driver options)
    parser: 'hiredis',
    return_buffers: false,
    detect_buffers: false,
    socket_nodelay: true,
    no_ready_check: false,
    enable_offline_queue: true
  }
};

Low-Level Configuration (for redis driver)

Configuration for the underlying Redis driver itself is located as an object under the options. The following options are available:

  • parser: which Redis protocol reply parser to use. Defaults to hiredis if that module is installed. This may also be set to javascript.
  • return_buffers: defaults to false. If set to true, then all replies will be sent to callbacks as node Buffer objects instead of JavaScript Strings.
  • detect_buffers: default to false. If set to true, then replies will be sent to callbacks as node Buffer objects if any of the input arguments to the original command were Buffer objects. This option lets you switch between Buffers and Strings on a per-command basis, whereas return_buffers applies to every command on a client.
  • socket_nodelay: defaults to true. Whether to call setNoDelay() on the TCP stream, which disables the Nagle algorithm on the underlying socket. Setting this option to false can result in additional throughput at the cost of more latency. Most applications will want this set to true.
  • no_ready_check: defaults to false. When a connection is established to the Redis server, the server might still be loading the database from disk. While loading, the server not respond to any commands. To work around this, node_redis has a "ready check" which sends the INFO command to the server. The response from the INFO command indicates whether the server is ready for more commands. When ready, node_redis emits a ready event. Setting no_ready_check to true will inhibit this check.
  • enable_offline_queue: defaults to true. By default, if there is no active connection to the redis server, commands are added to a queue and are executed once the connection has been established. Setting enable_offline_queue to false will disable this feature and the callback will be execute immediately with an error, or an error will be thrown if no callback is specified.
  • retry_max_delay: defaults to null. By default every time the client tries to connect and fails time before reconnection (delay) almost doubles. This delay normally grows infinitely, but setting retry_max_delay limits delay to maximum value, provided in milliseconds.
  • connect_timeout defaults to false. By default client will try reconnecting until connected. Setting connect_timeout limits total time for client to reconnect. Value is provided in milliseconds and is counted once the disconnect occured.
  • max_attempts defaults to null. By default client will try reconnecting until connected. Setting max_attempts limits total amount of reconnects.
  • auth_pass defaults to null. By default client will try connecting without auth. If set, client will run redis auth command on connect.

FAQ

See FAQ.md.

Contribute

See CONTRIBUTING.md.

MIT License

See LICENSE.md.

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