Dec 29, 2016 · I'm trying to connect from Java to Hive server 1. I found a question time ago in this forum but it doesn't work for me. I'm using this code: import java.sql.SQLException; import …

Aug 9, 2019 · Partition the tables on the join keys to read only specific data instead of whole table scan. cache the small hive table in distributed cache and use map side join to reduce the …

Which Hive version are you on 0.9 or 0.11? If you are on Hive 0.11 and you are specifying the join correctly then the first thing to try would be to increase the Heap size.

Jan 3, 2014 · Based on the information provided, only this can be a sensible solution to your problem. I have put the method definition for reference. Please go through it to understand If …

Mar 15, 2018 · I'm trying to find a way to connect my web app to Hive by using Java. Does anybody here know how to do it? I have no idea and experience in doing it and there are not …

May 5, 2021 · Vertex failure while joining 2 big tables in hive Asked 4 years, 7 months ago Modified 4 years, 7 months ago Viewed 8k times

Sep 27, 2017 · FAILED: Execution Error, return code 1 from org.apache.hadoop.hive.ql.exec.mr.MapredLocalTask However, when I run this query in the …

Sep 19, 2016 · I just upgraded hive version to 2.1.0 for both hive-exec and hive-jdbc. But because of this, some queries started failing that previously working fine. Exception - Exception in …

May 30, 2018 · FAILED: Execution Error, return code 2 from org.apache.hadoop.hive.ql.exec.mr.MapredLocalTask during join operation in hive Asked 7 …

Feb 2, 2021 · Try (in this order) Increase mapper parallelism. The goal is to get more smaller mappers. Check how many mappers does it start and adjust figures. This will not work if you …