The HBase team is happy to announce the immediate availability of HBase 2.2.1.
Apache HBaseâ„¢ is an open-source, distributed, versioned, non-relational database. Apache HBase gives you low latency random access to billions of rows with millions of columns atop non-specialized hardware. To learn more about HBase, see https://hbase.apache.org/. To download 2.2.1, visit our download page: http://hbase.apache.org/downloads.html HBase 2.2.1 is the latest release of the HBase 2.2 line, continuing on the theme of bringing a stable, reliable database to the Apache Big Data ecosystem and beyond. 2.2.1 includes 161 bug and improvement fixes done since the 2.2.0. Most hbck2 abilities introduced by HBASE-21745 was released in 2.2.1 (HBASE-21745 addressed gaps between hbck1 and hbck2). And There are several critical fixes: -HBASE-22867 The ForkJoinPool in CleanerChore will spawn thousands of threads in our cluster with thousands table -HBASE-22169 Open region failed cause memory leak -Fixes around WAL, which may cause WAL corruption or hang the region server. Please see HBASE-22539, HBASE-22681, HBASE-22684 for more details. The list of 161 changes made since 2.2.0 can be found here: https://apache.org/dist/hbase/2.2.1/CHANGES.md For instructions on verifying ASF release downloads, please see https://www.apache.org/dyn/closer.cgi#verify Project member signature keys can be found at https://www.apache.org/dist/hbase/KEYS Question, comments, and problems are always welcome at: d...@hbase.apache.org Thanks to all who contributed and made this release possible. Cheers, The HBase Dev Team