Github user aarondav commented on a diff in the pull request: https://github.com/apache/spark/pull/42#discussion_r10618053 --- Diff: core/src/main/scala/org/apache/spark/CacheManager.scala --- @@ -49,11 +50,13 @@ private[spark] class CacheManager(blockManager: BlockManager) extends Logging { try {loading.wait()} catch {case _ : Throwable =>} } logInfo("Finished waiting for %s".format(key)) - // See whether someone else has successfully loaded it. The main way this would fail - // is for the RDD-level cache eviction policy if someone else has loaded the same RDD - // partition but we didn't want to make space for it. However, that case is unlikely - // because it's unlikely that two threads would work on the same RDD partition. One - // downside of the current code is that threads wait serially if this does happen. + /** --- End diff -- super tiny nit (more like trivia): javadoc-style comments are generally only for classes/methods/variables, technically this should be just "/*"... not really important enough to fix unless you get the whim
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