Sun has released version 5.1 of the open-source MySQL database software, but the software's founder simultaneously warned of a number of "fatal" bugs present in the new features that are still to be fixed.
Michael "Monty" Widenius, the founder of MySQL, stated
The new features introduced have been ranked as "beta" quality.
There are a number of issues associated with the partitioning feature, such as the difficulty to restore a partitioned table if it crashes, and the chance of losing all data in the event of a server crashing during the rename table feature of a partitioned table. Widenius highlighted that the feature was inefficient, particularly if there were many partitions in a database.
Row-based replication has not been enabled by default, because of a number of problems. Users are advised to test the latest MySQL version before deploying it to production systems.
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