HTTPSQS is a Simple Queue Service based on HTTP GET/POST protocol.

Features:

Very simple

Very fast, more than 10000 requests/sec
High concurrency, support the tens of thousands of concurrent connections.

Multiple queue

A single queue length maximum support one billion (1,000,000,000).

Low memory consumption, mass data storage, storage dozens of GB of data takes less than 100MB of physical memory buffer.

Convenient to change the maximum queue length of per-queue.

Queue status view

Be able to view the contents of the specified queue ID.

Multi-Character encoding support

Less than 700 lines source code, easy to second development.

WebSite: http://code.google.com/p/httpsqs/