#564: [INTRODUCING] Amazon Athena for Apache Spark
AWS Podcast
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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