Hi ,
I tried the same with compute statistics for columns a, b,c as above and
still seeing the same results in explain plan.
How do I confirm if its generating all the column stats for a given column.
If this is confirmed, we can debug why Hive is still not using it?
Thanks
Suma
On Thu, Jul
Well not the correct way ,you can check the statistics in mysql part_col_stats
like tables in mysql data base if you are using mysql stat database .
Or the other way is calling max,min,distinct on int columns ,largest length on
string columns etc,if they run whole map reduce on these operation
Hi,
I have 4 instances on ec2
1 master with namenode and YARN running on it
1 for secondary namenode and 2 slaves
I used t2.medium instance for the master node only and left the rest as
they were and still i got the same exception. t2.medium is a decent
instance with 4GB RAM and 2 CPUs so i
+ Re-sending as delivery of earlier mail failed.
On Fri, Jul 25, 2014 at 5:14 PM, Abhishek Agarwal abhishc...@gmail.com
wrote:
Hi All,
Is it possible to create a table with Parquet as storage mechanism, with
schema being supplied from thrift IDL rather than metastore?
Something like below,
Dear Hive users and developers,
As an update, the hive user group meeting during Hadoop World will be held
on Oct. 15th, from 6:30pm to 9:00pm at about.com's office at 1500 Broadway,
6th floor, New York, NY 10036.. Here is the schedule:
6:30 pm: Doors open
6:30 pm-7:00pm: Networking and
Has anyone had any experience with a multiple-machine HiveServer2 setup?
Hive needs to be available at all times for our use-case, so if for some
reason, one of our HiveServer2 machines goes down or the connection drops,
the user should be able to just re-connect to another machine.
In the end,
This is not possible today. Can you file an enhancement and describe
the motivation?
Also Parquet has moved to apache: http://parquet.incubator.apache.org/
All questions and discussions should now be sent to
d...@parquet.incubator.apache.org please subscribe by emailing
I have put stAndard load balancers infront before and wrote a thrift show
tables as a test.
On Friday, July 25, 2014, Raymond Lau r...@ooyala.com wrote:
Has anyone had any experience with a multiple-machine HiveServer2 setup?
Hive needs to be available at all times for our use-case, so if for