I’m trying to debug a Spark job that’s running out of memory. I see in the heap dump that the most allocated object is a “[B”. I assume this is related to Scala, perhaps generated classes, but do not recognize it and don’t get amazing results from Googling “[B class scala”
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4This is actually related to Java. This is a string generated from the JVM for and array of bytes. "[" means array and B means byte... – eliasah Jun 06 '19 at 20:34
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Don't see any reason for downvote. It's really nontrivial to google for things like `[B` , `B-]` or `:-P` if one doesn't know what one is looking for. – Andrey Tyukin Jun 07 '19 at 00:11