Why hive "UPADTE" is not reusing the blocks. the update is not written to same block, why is it so ?
On Tue, Dec 2, 2014 at 10:50 AM, unmesha sreeveni <unmeshab...@gmail.com> wrote: > I tried to update my record in hive previous version and also tried out > update in hive 0.14.0. The newer version which support hive. > > I created a table with 3 buckets with 180 MB. In my warehouse the data get > stored into 3 different blocks > > delta_0000012_0000012 > --- Block ID: 1073751752 > --- Block ID: 1073751750 > --- Block ID: 1073751753 > > After doing an update > > I am getting 2 directories > > delta_0000012_0000012 > --- Block ID: 1073751752 > --- Block ID: 1073751750 > --- Block ID: 1073751753 > AND > delta_0000014_0000014 > ---Block ID: 1073752044 > > Ie the blocks are not reused > Whether my understanding is correct? > Any pointers? > > > -- > *Thanks & Regards * > > > *Unmesha Sreeveni U.B* > *Hadoop, Bigdata Developer* > *Centre for Cyber Security | Amrita Vishwa Vidyapeetham* > http://www.unmeshasreeveni.blogspot.in/ > > > -- *Thanks & Regards * *Unmesha Sreeveni U.B* *Hadoop, Bigdata Developer* *Centre for Cyber Security | Amrita Vishwa Vidyapeetham* http://www.unmeshasreeveni.blogspot.in/
