Github user viirya commented on a diff in the pull request: https://github.com/apache/spark/pull/15915#discussion_r92740284 --- Diff: core/src/main/scala/org/apache/spark/storage/memory/MemoryStore.scala --- @@ -331,7 +331,15 @@ private[spark] class MemoryStore( var unrollMemoryUsedByThisBlock = 0L // Underlying buffer for unrolling the block val redirectableStream = new RedirectableOutputStream - val bbos = new ChunkedByteBufferOutputStream(initialMemoryThreshold.toInt, allocator) + val chunkSize = if (initialMemoryThreshold > Int.MaxValue) { + logWarning(s"Initial memory threshold of ${Utils.bytesToString(initialMemoryThreshold)} " + + s"is too large to be set as chunk size. It is safe to be cap at Int.MaxValue for chunk " + + s"size instead.") + Int.MaxValue --- End diff -- Asking for `Int.MaxValue` causes `java.lang.OutOfMemoryError` on jenkins. Although I think it is reasonable if it is on users side because they ask so much memory by configuration.
--- If your project is set up for it, you can reply to this email and have your reply appear on GitHub as well. If your project does not have this feature enabled and wishes so, or if the feature is enabled but not working, please contact infrastructure at infrastruct...@apache.org or file a JIRA ticket with INFRA. --- --------------------------------------------------------------------- To unsubscribe, e-mail: reviews-unsubscr...@spark.apache.org For additional commands, e-mail: reviews-h...@spark.apache.org