#564: [INTRODUCING] Amazon Athena for Apache Spark
AWS Podcast
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The Most Surprising Challenges You Ran While Building This?
The most surprising challenge turned out to be something that we all take for granted 99.99% of the time because it just works. We had accidentally been running Spark with a disabled JVM DNS cache and forgotten to re-enable it. So definitely with that auto cleanup is more secure but also cost optimized too.
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