Github user rawkintrevo commented on the issue:
https://github.com/apache/zeppelin/pull/928
Per this:
http://stackoverflow.com/questions/32498891/spark-read-and-write-to-parquet-leads-to-outofmemoryerror-java-heap-space
and this:
http://spark.apache.org/docs/latest/configuration.html#compression-and-serialization
I set the buffer to 64k and the buffer.max to 1g, and that seems to have
solved it.
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