>> Also, this parameter is set to false by default should this be set to
true ?
This is set to false for predictable query performance with multiple runs.
If set to true, there is a chance of footer getting evicted during GC and
get into unpredictable performance.
>> I see that the number of mappe
Thanks Rajesh, this helped solve the OOM issue. I was going through the
wiki documentation for this parameter and was not able to understand it
clearly, can you please explain the significance of this ?
I have 2 questions:-
1. Also, this parameter is set to false by default should this be set to
t
With "HYBRID" can you try with "hive.orc.cache.use.soft.references=true"?
That should help in preventing OOM with Hybrid strategy.
~Rajesh.B
On Wed, Sep 13, 2017 at 2:54 PM, Jay wrote:
> Hi All,
>
> I am running a simple select query as below
>
> select distinct vehicle_no from
> rmd.gets_dw_e
Hi All,
I am running a simple select query as below
select distinct vehicle_no from
rmd.gets_dw_eoa_eng_rec_dtl_orc_ext_concat_final_eng3 where incident_dt =
'2999-01-01';
The table is a 2 level partitioned table as shown below
drwx-- - gpadmin hdfs 0 2017-09-12 14:36
/apps/hive/