Recent Posts

October, 2020

  • 20 October

    Advanced RDD Actions

    Advanced RDD Actions   reduce() action reduce(func) action is used for aggregating the elements of a regular RDD. The fucntion should be commutative (changing the order of the operands does …

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    • 19 October

      Best Ways to Repair Corrupt InnoDB Table in MySQL

      Summary: In this post, we will discuss some of the best ways to repair a corrupt InnoDB table in MySQL, which may get corrupted due to hardware failure, MySQL Server crash, …

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      • 16 October

        ORA-12162 TNS:net service name is incorrectly specified

        Hi, Sometimes You can get ” ORA-12162 TNS:net service name is incorrectly specified ” error.

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        • 14 October

          PySpark RDD Example

          PySpark RDD Example Hello, in this post we will do 2 short examples, we will use reducebykey and sortbykey. Rdd = sc.parallelize([(1,2), (3,4), (3,6), (4,5)]) # Apply reduceByKey() operation on …

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          • 13 October

            Introduction to PySpark RDD

            Introduction to PySpark RDD In this chapter, we will start with RDDs which are Spark’s core abstraction for working with data.   What is RDD RDD = Resilient Distributed Datasets …

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