psschwei opened a new pull request #25686: [SPARK-28981][K8S] Missing library for reading/writing Snappy-compressed files URL: https://github.com/apache/spark/pull/25686 ### What changes were proposed in this pull request? Adding `gcompat` library to Dockerfile for Spark on Kubernetes ### Why are the changes needed? Current Dockerfile throws an error when trying to read/write snappy-compressed files. As Snappy is one of the default Spark compression codecs, it should be supported out-of-the-box. ### Does this PR introduce any user-facing change? No. ### How was this patch tested? Built Spark container image and testing reading / writing Snappy files.
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