stagger

Execute a stack with a given 'request-per-seconds' and 'max-requests' rate.

npm install stagger
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node-stagger

Execute a stack with a given 'request-per-seconds' and 'max-requests' rate.

Build Status

Install

npm install stagger

Usage

var stagger = new Stagger(options);
stagger.push(methods);
stagger.start();
stagger.on("progress", handleResponse);
stagger.on("finish", handleDone);

Options

  • requestsPerSecond - Number of requests per seconds. Default: 10
  • maxRequests - Maximum open requests. Default: 20

Events

"progress" Event:

  • index - initial stack index
  • pending - number of pending calls
  • total - total call count
  • current - current batch size
  • percent - current percentage
  • eta - estimated total duration
  • callback - original callback
  • value - returned value
  • duration - response time

"complete" Event:

  • total - total call count
  • duration - total duration

Example

var Stagger = require("../lib/stagger"),
  stagger = new Stagger();

for (var i=0; i<100; i++){
  stagger.push(callback);
}

stagger.on("progress", function(event){
  console.log(event.value);
});

stagger.on("finish", function(event){
  console.log("finish", event.duration);
});

stagger.start();

Author

Martin Kleppe - kleppe@ubilabs.net

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