It's official: Berkeley DB Java Edition 4.0 was released today. This release has High Availability and Replication (HA), improved IO performance (especially on Linux/ext3), and a jconsole plugin which should make performance tuning quite a bit easier for JE users....
In a previous post I raised the topic of IO problems on Windows 7 (fsync was resulting in "Incorrect Function" IOExceptions). This again showed up more recently in this OTN thread. Fortunately, the reporting user supplied us with a reproducible...
My colleague Tao Zhang has been working on a jconsole plugin which will let you monitor Berkeley DB Java Edition stats in real time. This will be especially useful for helping our customers debug performance issues. We're all really excited...
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