Apache HBase 0.92.0 has been released by Jonathan Hsieh
More than 670 issues were addressed in this release but Jonathan highlights nine changes/improvements for your attention:
User Features:
- HFile v2, a new more efficient storage format
- Faster recovery via distributed log splitting
- Lower latency region-server operations via new multi-threaded and asynchronous implementations.
Operator Features:
- An enhanced web UI that exposes more internal state
- Improved logging for identifying slow queries
- Improved corruption detection and repair tools
Developer Features:
- Coprocessors
- Build support for Hadoop 0.20.20x, 0.22, 0.23.
- Experimental: offheap slab cache and online table schema change
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