Clients often ask us to help evaluate comparable systems to select the technologies most appropriate for their individual situation. To support this, we do ongoing research and document the pros and cons of given technologies to see how they stack up against each other.
MySQL MHA: 2 Continuent Tungsten: 5
While we felt both leading options for asynchronous MySQL High Availability were strong choices, we recognize that Continuent Tungsten is a more mature and well-established product, and it clearly wins by 3 points.
We expect MySQL MHA to grow and be used in many MySQL HA deployments. Its open source option will surely help MHA to proliferate in MySQL sphere.