First, you need to know the total record number of your table.
After processing the query, then you can get the input record number of
MapReduce job from the counter "RECORDS_IN" of Hive or "Map input records"
of Map-Reduce Framework. If the input number is much smaller than the total
number, it s
If you are using tez, you can verify that using counters that gets printed
after query execution. You need set hive.tez.exec.print.summary=true for tez to
print counters after execution.
Thanks
Prasanth
On Jul 30, 2015, at 9:31 AM, Jörn Franke
mailto:jornfra...@gmail.com>> wrote:
Hi,
Is the
Hi,
Is there any official way to verify that a query leveraged orc bloom
filters or orc indexes? For example, number of bytes (rows) not processed
thanks to bloom filters or storage indexes? Some indicators in the explain
output?
Thank you.
Best reagrds
