I thought the main gain was to get ACID on Hive performant enough. @Mich: Do you run with ACID-enabled tables? How many Create/Update/Deletes do you do per second?
best regards /Pelle On Mon, Oct 24, 2016 at 7:39 AM, Jörn Franke <jornfra...@gmail.com> wrote: > I think the main gain is more about getting rid of a dedicated database > including maintenance and potential license cost. > For really large clusters and a lot of users this might be even more > beneficial. You can avoid clustering the database etc. > > On 24 Oct 2016, at 00:46, Mich Talebzadeh <mich.talebza...@gmail.com> > wrote: > > > A while back there was some notes on having Hive metastore on Hbase as > opposed to conventional RDBMSs > > I am currently involved with some hefty work with Hbase and Phoenix for > batch ingestion of trade data. As long as you define your Hbase table > through Phoenix and with secondary Phoenix indexes on Hbase, the speed is > impressive. > > I am not sure how much having Hbase as Hive metastore is going to add to > Hive performance. We use Oracle 12c as Hive metastore and the Hive > database/schema is built on solid state disks. Never had any issues with > lock and concurrency. > > Therefore I am not sure what one is going to gain by having Hbase as the > Hive metastore? I trust that we can still use our existing schemas on > Oracle. > > HTH > > > > Dr Mich Talebzadeh > > > > LinkedIn * > https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw > <https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw>* > > > > http://talebzadehmich.wordpress.com > > > *Disclaimer:* Use it at your own risk. Any and all responsibility for any > loss, damage or destruction of data or any other property which may arise > from relying on this email's technical content is explicitly disclaimed. > The author will in no case be liable for any monetary damages arising from > such loss, damage or destruction. > > > > -- *Per Ullberg* Data Vault Tech Lead Odin Uppsala +46 701612693 <+46+701612693> Klarna AB (publ) Sveavägen 46, 111 34 Stockholm Tel: +46 8 120 120 00 <+46812012000> Reg no: 556737-0431 klarna.com
