Hello Experts,
Appreciate your input highly, please suggest/ give me hint, what would be the
issue here?
Thanks and Regards,
Malligarjunan S.
On Thursday, 17 July 2014, 22:47, S Malligarjunan smalligarju...@yahoo.com
wrote:
Hello Experts,
I am facing performance problem when I use
It's likely that since your UDF is a black box to hive's query optimizer
that it must choose a less efficient join algorithm that passes all
possible matches to your function for comparison. This will happen any
time your UDF touches attributes from both sides of the join.
In general you can
Hello Experts,
I am facing performance problem when I use the UDF function call. Please help
me to tune the query.
Please find the details below
shark select count(*) from table1;
OK
151096
Time taken: 7.242 seconds
shark select count(*) from table2;
OK
938
Time taken: 1.273 seconds
Without
