Github user andrewor14 commented on a diff in the pull request: https://github.com/apache/spark/pull/1165#discussion_r14325602 --- Diff: core/src/main/scala/org/apache/spark/storage/MemoryStore.scala --- @@ -87,9 +86,7 @@ private class MemoryStore(blockManager: BlockManager, maxMemory: Long) values: Iterator[Any], level: StorageLevel, returnValues: Boolean): PutResult = { - val valueEntries = new ArrayBuffer[Any]() - valueEntries ++= values - putValues(blockId, valueEntries, level, returnValues) + putValues(blockId, values.toArray, level, returnValues) --- End diff -- Yes, otherwise it would be a recursive call to itself? Either way we should probably make this go through the safe unrolling code path, because this might actually cause an OOM. Looks like we do this all over the place.
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