Links for 2019-04-10

  • At wit’s end with my preschooler : Parenting

    This /r/parenting thread has some good advice on dealing with kids’ meltdowns. I wish I had this a few years ago

    (tags: parenting kids tantrums anger reddit advice)

  • Spark memory tuning on EMR

    ‘Best practices for successfully managing memory for Apache Spark applications on Amazon EMR’, on the AWS Big Data blog. ‘In this blog post, I detailed the possible out-of-memory errors, their causes, and a list of best practices to prevent these errors when submitting a Spark application on Amazon EMR. My colleagues and I formed these best practices after thorough research and understanding of various Spark configuration properties and testing multiple Spark applications. These best practices apply to most of out-of-memory scenarios, though there might be some rare scenarios where they don’t apply. However, we believe that this blog post provides all the details needed so you can tweak parameters and successfully run a Spark application.’

    (tags: spark emr aws tuning memory ooms java)

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