On Tue, Mar 27, 2012 at 11:28 PM, lars hofhansl <[email protected]> wrote: > The first 0.94.0 RC is available for download here: > > http://people.apache.org/~larsh/hbase-0.94.0-rc0/ >
Reasons to test 0.94.0RC are performance improvements, mostly savings in i/o but also more cache because blocks stay compressed in memory. HBASE-4465 Lazy-seek optimization for StoreFile scanners HBASE-5074 Support checksums in HBase block cache HBASE-4608 HLog Compression HBASE-5199 Delete out of TTL store files before compaction selection HBASE-4532 Avoid top row seek by dedicated bloom filter for delete family bloom filter HBASE-4218 Data Block Encoding of KeyValues Other features: HBASE-5128 [uber hbck] Online automated repair of table integrity and region consistency problems HBASE-3584 Allow atomic put/delete in one call HBASE-4536 Allow CF to retain deleted rows HBASE-5229 Provide basic building blocks for "multi-row" local transactions. St.Ack
