+ Sergio, Szehon, Ashutosh, Sushanth, Sergey, Any thoughts on this ?
On Tue, Mar 15, 2016 at 7:08 PM, Thejas Nair <thejas.n...@gmail.com> wrote: > There seems to be increasing interest in supporting MariaDB as an > option for storing metastore metadata. Supporting it as a database > option is also easy as it is compatible with mysql. I thought it would > be useful to discuss supporting it in the dev list before creating any > jiras. > > There are two aspects I would like to discuss - > > 1. Changes in hive to support MariaDB > > The existing mysql schema creation/upgrade scripts in hive should just > work for mariadb as well. > However, MariaDB has some additional optimizations that we might want > to use in future to optimize queries for it. That would mean creating > specific scripts for mariadb. > > However, until we introduce such MariaDB specific tuning, I think it > is better to avoid duplicating the mysql scripts. > > To make the transition to possibly using MariaDB optimized scripts > easier, one option is to have schematool consider it as an alias for > mysql until that happens. > > > 2. Testing with MariaDB > It would be useful to have tests for mariadb as well on the lines of > what is available for mysql in > https://issues.apache.org/jira/browse/HIVE-9800, to ensure that > mariadb support is not broken. > > Thanks, > Thejas