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1. caching - Spark SQL: how to cache sql query result without using rdd.cache() - Stack Overflow

   output = sqlContext.sql("SELECT * From people")
   output.registerTempTable('people2')
   sqlContext.cacheTable('people2')
   sqlContext.sql("SELECT count(*) From people2").collect()

   2016-11-18 Tags: sql, spark, cache by klotz

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