Congrats Trafodion. Thanks for posting notice here. St.Ack On Mon, May 4, 2015 at 9:12 AM, Birdsall, Dave <[email protected]> wrote:
> Good morning HBasers, > > I'm pleased to announce that Trafodion Release 1.1 is now available for > download at http://downloads.trafodion.org/. This is a minor release, > improving upon Trafodion's position of being the Enterprise-class > Transactional SQL Engine for HBase and Hadoop. Even though we've classified > it as a minor release, we were still very busy. > > Here is a summary of the production-ready features in this release: > > > 1. Support for HDP 2.2 and CDH 5.3 distributions > > 2. Several performance features, e.g., improved plan quality, query > caching to reduce compilation time, and Skew Buster, which is patented > technology to create better query execution in the presence of skewed data > values > > 3. Improvements in high availability > > 4. An offline backup/restore facility > > 5. A parallel data loader/extractor tool for trickle-loading to and > extraction from Trafodion tables, including the ability to extract from > many popular databases and insert into Trafodion in parallel > > 6. Support for the HP Data Services Manager (HP DSM), a tool that > provides unified, browser-based management of Hadoop, Trafodion and HP > Vertica data services > > 7. Improved repository support > > 8. Extensions to query cancel, to support cancelling more kinds of > statements > > 9. Improved security support > > 10. Improved installer > > We also have several "Technology Preview" features in this release. These > are features that are (sometimes partially) code complete but not yet fully > tested. You're welcome to try them out and tell us what you think: > > > 1. The ability to create table statistics via sampling during table > load (faster than loading a table and doing UPDATE STATISTICS afterward) > > 2. Several improvements to transaction processing, including local > transactions (an efficiency improvement), Stateless/Stateful Concurrency > Control (SSCC) (an improvement in isolation over traditional MVCC), and > transactional support for DDL operations > > 3. A metadata cleanup utility (useful when a non-transactional DDL > operation fails) > > 4. Table-mapping user-defined functions (TMUDFs), that is, support > for user-defined functions that can take a table as input and produce a > table as output > > We fixed 96 defects in this release as well. > > You can read more here: > https://wiki.trafodion.org/wiki/index.php/Release_Notes_(1.1.n). > > Happy reading, > > Dave > > PS: We'd LOVE to have more contributors! We'll soon be proposing Trafodion > as an incubation project to the Apache Software Foundation, so we'll be > using tools you're likely familiar with. Inquire at our website, > http://www.trafodion.org, or by e-mail at [email protected]<mailto: > [email protected]>. > > PPS: Connect with us and see our talks at HBaseCon in San Francisco on May > 7<https://wiki.trafodion.org/wiki/index.php/Event:2015/05/07_HBaseCon_2015 > >. > > >
