Great job！ -----邮件原件----- 发件人: lars hofhansl [mailto:lhofha...@yahoo.com] 发送时间: 2012年5月16日 13:08 收件人: hbase-user 主题: ANN: HBase 0.94.0 is available for download
The HBase Team is pleased to announce the release of HBase 0.94.0. Download it from your favorite Apache mirror [1]. HBase 0.94.0 is wire compatible with 0.92.x releases. - 0.92 clients can communicate with an 0.94 cluster and vice versa - a 0.92 cluster can be upgraded in place to 0.94 via a rolling upgrade HBase 0.94.0 includes many performance enhancement, bug fixes, and few new features. Notable performance improvements include: [HBASE-5010] - Filter HFiles based on TTL [HBASE-4465] - Lazy-seek optimization for StoreFile scanners [HBASE-4469] - Avoid top row seek by looking up ROWCOL bloomfilter [HBASE-4532] - Avoid top row seek by dedicated bloom filter for delete family bloom filter [HBASE-5074] - support checksums in HBase block cache Notable new features: [HBASE-5128] - [uber hbck] Online automated repair of table integrity and region consistency problems [HBASE-4460] - Support running an embedded ThriftServer within a RegionServer [HBASE-3584] - Allow atomic put/delete in one call [HBASE-4102] - atomicAppend: A put that appends to the latest version of a cell [HBASE-4536] - Allow CF to retain deleted rows [HBASE-5229] - Provide basic building blocks for "multi-row" local transactions. For a complete list of changes, see release notes [2]. Yours, The HBase Team P.S. Thanks goes out to all who contributed to this release! 1. http://www.apache.org/dyn/closer.cgi/hbase/ 2. https://issues.apache.org/jira/secure/ReleaseNote.jspa?projectId=12310753&version=12316419
