Projects / Q4M


Q4M (Queue for MySQL) is a message queue that works as a pluggable storage engine for MySQL 5.1. It was designed to be robust, fast, and flexible.

Operating Systems

Recent releases

  •  01 Sep 2008 17:58

    Release Notes: This is a minor bugfix release, fixing a race condition bug that might lead to a deadlock on shutdown. A binary release for FreeBSD has been added.

    •  30 Aug 2008 17:27

      Release Notes: This release fixes a file descriptor leak on DROP TABLE. It includes binaries for Linux i386, Linux x86_64, and Mac OS X 10.4 (x86) as well as a source code tarball.

      •  13 Aug 2008 05:43

        Release Notes: This release fixes bugs related to conditional subscription and multi-table subscription, as well as other bugs that might have caused memory corruption or a server crash.

        •  01 Jul 2008 12:48

          Release Notes: A pluggable message queue for MySQL 5.1, faster SELECT COUNT(*), the dropping of binlog capability flags, and the inclusion of a sample implementation of a Web spider.

          •  02 Jun 2008 06:37

            Release Notes: This is basically a performance-tuned version of the previous release, 0.5.1. Its maximum throughput has tripled, achieving over 50k messages per second. Some minor bugs have been fixed as well.


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