Tuesday Nov 02, 2010

Berkeley DB Java Edition 4.1.6

Yesterday we released a new version of Berkeley DB Java Edition. This new release has some major enhancements for speed. BDB JE has always been as fast as the I/O + stable storage (disk) system for writes due to its write-once, append-only log-based architecture for fully durable commits (semi-durable, those which commit to operating system buffers rather than to the stable storage, operate at in-memory speeds). The issue until now was with random reads. Now, even with modest sized caches (512MB), you can experience predictable latency for random out-of-cache reads even for multi-TB databases.

This is a first in the pure-Java world. BDB JE is the only solution when you need large scale, predictable ACID storage for non-relational data. Imagine configuring your heap to 2GB and BDB JE's cache to 512MB then accessing TBs of data on disk knowing that your application will have 1.5GB of memory in the JVM to use.

Memory management and GC have always been tricky to get right when building large scale Java systems. With this release of Berkeley DB Java Edition we help take you one step closer to a predictable database in pure-Java.

Read more on Charlie Lamb's blog.

Friday Oct 15, 2010

Open SQL Camp, Boston

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