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Asked by Priyanka Last Modified
Answer
Hi Priyanka,
Spark has many Tools like Spark-Sql,Mlib..
Spark-Sql is the Tool which will work as like hive in Spark. We just need to login to the Spark-Sql Console By using 'Spark-Sql'Command on Linux box where you can run the same sql. Spark-Sql is Much much faster than Hive so, we use to go with Spark-Sql rather than Hive. I think I have answered your question. Still you have any queries you can reach out to me directly.
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By default, Hive queries or code gets convereted to mapreduce code. When you run hive, you can see mappers and reducers in your log. But its possible to run hive in 3 modes
1. mapreduce
2. Tez
3. Spark
Instead of creating mapreduce jobs, now it runs on spark cluster and leverages in-memory computing.
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