Hello everyone:
Recently,I want to migrate hive cli to beeline,but i'm reffered to
cloudera official site about hive
beeline(https://www.cloudera.com/documentation/enterprise/5-8-x/topics/cdh_ig_hive_install.html#concept_alp_4kl_3q),
it describe that the beeline cli should use a heap siz
Hi Gopal,
Thanks for your reply.
> A first step would be to check if LLAP cache is actually being used (the LLAP
> IO in the explain), vectorization is being used (llap, vectorized for tasks),
> that the column stats show as COMPLETE (instead of NONE).
1. For the LLAP cache, we have enable the LL
Hi,
> Please help us find whether we use the wrong configuration. Thanks for your
> help.
Since there are no details, I'm not sure what configuration you are discussing
here.
A first step would be to check if LLAP cache is actually being used (the LLAP
IO in the explain), vectorization is be
Hi all,
Now, we are running the benchmark of Hive +Tez+LLAP and Apache Tez in TPC-DS
with 3TB orc data. But the result of Hive +Tez+LLAP is almost similar with
hive+Tez and some queries may be poorer than hive+tez .
The following is our cluster and llap configuration,
Cluster: 1 master + 7 slave
It isn't possible to guarantee sequential keys because tasks run in
parallel. You can write a UDF to assign a unique id or sequential ids
within a task.
Alan.
On Tue, Nov 21, 2017 at 3:53 AM, kishore kumar
wrote:
> Hi,
>
> Could some one suggest how to create surrogate keys sequentially in hiv
Hi,
I recommend you try using HiveServer2 and beeline as explained here:
https://cwiki.apache.org/confluence/display/Hive/GettingStarted#GettingStarted-RunningHiveServer2andBeeline.1
In particular, please make sure you have run "bin/schematool -dbType derby
-initSchema" and that it returned succe
Hi,
Could some one suggest how to create surrogate keys sequentially in hive ?
--
Thanks,
Kishore.