The only bad plan would be a plan that ends up producing the wrong result,
or throwing an exception. generally I look to see if there is a way to have
less map/reduce stages, the best plan is usually the one that does the job
in a single map reduce, or even better a single map only job.
On Fri, A
Hi,
What are the key areas we need to check in the explain plan generated in Hive?
I have checked the documentation, it's not detailed about the above question.
https://cwiki.apache.org/confluence/display/Hive/LanguageManual+Explain
I have similar kind of question asked in our forum, which is unan
