[redis sorted sets](http://redis.io/commands#sorted_set) speed testing with [node-redis](https://github.com/mranney/node_redis). npm install -d node index.js

index.js

/* globals require, console, process, setInterval */
'use strict';

var async = require('async')
  , redis = require('redis')
  , client = redis.createClient();

client.on('error', function(err) {
  console.error(err);
});

var key = "field";

var count = 0
  , members = 100 // members of the set will range from 0 - members
  , total = 1000000;

// inserts
var start = Date.now();
async.series([
  // insert data
  function(callback) {
    async.whilst(
      function () {
        return count < total;
      }
    , function (inserted) {
        count++;
        var val = Math.floor(Math.random() * members);
        client.zincrby(key, 1, val, function(err, res) {
          inserted(err);
        });
      }
    , function (err) {
        // inserts completed
        if (err) console.error(err);
        var time = (Date.now() - start) / 1000;
        console.info('Total time for ' + total + ' inserts: ' + time + ' seconds');
        callback(err);
      }
    );
  }
  // read data
, function(callback) {
    // show output
    client.zrange(key, 0, -1, 'WITHSCORES', function(err, res) {
      console.log(res);
      callback(err);
    });
  }
]
  // end
, function(err) {
    if (err) console.error(err);
    client.end();
  }
);

package.json

{
  "name": "redis-test",
  "version": "0.0.1",
  "main": "index.js",
  "dependencies": {
    "async": "~0.2",
    "hiredis": "~0.1",
    "redis": "~0.9"
  },
}