[ https://issues.apache.org/jira/browse/SPARK-15828?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15322876#comment-15322876 ]
Miles Crawford commented on SPARK-15828: ---------------------------------------- This is Hadoop's standard means of resizing a cluster. In this case, we are resizing it automatically to fit workloads. Say two jobs are running, one finishes, so we ask to remove hosts. The ones that get removed also cause the death of the continuing job. > YARN is not aware of Spark's External Shuffle Service > ----------------------------------------------------- > > Key: SPARK-15828 > URL: https://issues.apache.org/jira/browse/SPARK-15828 > Project: Spark > Issue Type: Bug > Affects Versions: 1.6.1 > Environment: EMR > Reporter: Miles Crawford > > When using Spark with dynamic allocation, it is common for all containers on a > particular YARN node to be released. This is generally okay because of the > external shuffle service. > The problem arises when YARN is attempting to downsize the cluster - once all > containers on the node are gone, YARN will decommission the node, regardless > of > whether the external shuffle service is still required! > The once the node is shut down, jobs begin failing with messages such as: > {code} > 2016-06-07 18:56:40,016 ERROR o.a.s.n.shuffle.RetryingBlockFetcher: Exception > while beginning fetch of 13 outstanding blocks > java.io.IOException: Failed to connect to > ip-10-12-32-67.us-west-2.compute.internal/10.12.32.67:7337 > at > org.apache.spark.network.client.TransportClientFactory.createClient(TransportClientFactory.java:216) > > ~[d58092b50d2880a1c259cb51c6ed83955f97e34a4b75cedaa8ab00f89a09df50-spark-network-common_2.11-1.6.1.jar:1.6.1] > at > org.apache.spark.network.client.TransportClientFactory.createClient(TransportClientFactory.java:167) > > ~[d58092b50d2880a1c259cb51c6ed83955f97e34a4b75cedaa8ab00f89a09df50-spark-network-common_2.11-1.6.1.jar:1.6.1] > at > org.apache.spark.network.shuffle.ExternalShuffleClient$1.createAndStart(ExternalShuffleClient.java:105) > > ~[2d5c6a1b64d0070faea2e852616885c0110121f4f5c3206cbde88946abce11c3-spark-network-shuffle_2.11-1.6.1.jar:1.6.1] > at > org.apache.spark.network.shuffle.RetryingBlockFetcher.fetchAllOutstanding(RetryingBlockFetcher.java:140) > > [2d5c6a1b64d0070faea2e852616885c0110121f4f5c3206cbde88946abce11c3-spark-network-shuffle_2.11-1.6.1.jar:1.6.1] > at > org.apache.spark.network.shuffle.RetryingBlockFetcher.start(RetryingBlockFetcher.java:120) > > [2d5c6a1b64d0070faea2e852616885c0110121f4f5c3206cbde88946abce11c3-spark-network-shuffle_2.11-1.6.1.jar:1.6.1] > at > org.apache.spark.network.shuffle.ExternalShuffleClient.fetchBlocks(ExternalShuffleClient.java:114) > > [2d5c6a1b64d0070faea2e852616885c0110121f4f5c3206cbde88946abce11c3-spark-network-shuffle_2.11-1.6.1.jar:1.6.1] > at > org.apache.spark.storage.ShuffleBlockFetcherIterator.sendRequest(ShuffleBlockFetcherIterator.scala:152) > > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at > org.apache.spark.storage.ShuffleBlockFetcherIterator.fetchUpToMaxBytes(ShuffleBlockFetcherIterator.scala:316) > > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at > org.apache.spark.storage.ShuffleBlockFetcherIterator.initialize(ShuffleBlockFetcherIterator.scala:263) > > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at > org.apache.spark.storage.ShuffleBlockFetcherIterator.<init>(ShuffleBlockFetcherIterator.scala:112) > > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at > org.apache.spark.shuffle.BlockStoreShuffleReader.read(BlockStoreShuffleReader.scala:43) > > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at org.apache.spark.rdd.ShuffledRDD.compute(ShuffledRDD.scala:98) > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306) > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at org.apache.spark.rdd.RDD.iterator(RDD.scala:270) > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at > org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38) > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306) > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at org.apache.spark.rdd.RDD.iterator(RDD.scala:270) > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at > org.apache.spark.rdd.MapPartitionsRDD.compute(MapPartitionsRDD.scala:38) > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at org.apache.spark.rdd.RDD.computeOrReadCheckpoint(RDD.scala:306) > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at org.apache.spark.rdd.RDD.iterator(RDD.scala:270) > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:66) > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at org.apache.spark.scheduler.Task.run(Task.scala:89) > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at > org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:214) > [d56f3336b4a0fcc71fe8beb90052dbafd0e88a749bdb4bbb15d37894cf443364-spark-core_2.11-1.6.1.jar:1.6.1] > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > [na:1.8.0_91] > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > [na:1.8.0_91] > at java.lang.Thread.run(Thread.java:745) [na:1.8.0_91] > Caused by: java.net.ConnectException: Connection refused: > ip-10-12-32-67.us-west-2.compute.internal/10.12.32.67:7337 > at sun.nio.ch.SocketChannelImpl.checkConnect(Native Method) > ~[na:1.8.0_91] > at > sun.nio.ch.SocketChannelImpl.finishConnect(SocketChannelImpl.java:717) > ~[na:1.8.0_91] > at > io.netty.channel.socket.nio.NioSocketChannel.doFinishConnect(NioSocketChannel.java:224) > > ~[9cb53ee0c581954e1f791bedcaea3a54e8e31b2f093da96e943faa342baad529-netty-all-4.0.29.Final.jar:4.0.29.Final] > at > io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.finishConnect(AbstractNioChannel.java:289) > > ~[9cb53ee0c581954e1f791bedcaea3a54e8e31b2f093da96e943faa342baad529-netty-all-4.0.29.Final.jar:4.0.29.Final] > at > io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:528) > ~[9cb53ee0c581954e1f791bedcaea3a54e8e31b2f093da96e943faa342baad529-netty-all-4.0.29.Final.jar:4.0.29.Final] > at > io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468) > > ~[9cb53ee0c581954e1f791bedcaea3a54e8e31b2f093da96e943faa342baad529-netty-all-4.0.29.Final.jar:4.0.29.Final] > at > io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382) > ~[9cb53ee0c581954e1f791bedcaea3a54e8e31b2f093da96e943faa342baad529-netty-all-4.0.29.Final.jar:4.0.29.Final] > at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354) > ~[9cb53ee0c581954e1f791bedcaea3a54e8e31b2f093da96e943faa342baad529-netty-all-4.0.29.Final.jar:4.0.29.Final] > at > io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:111) > > ~[9cb53ee0c581954e1f791bedcaea3a54e8e31b2f093da96e943faa342baad529-netty-all-4.0.29.Final.jar:4.0.29.Final] > ... 1 common frames omitted > {code} > Because of this issue dynamic allocation and auto-scaling cannot be used > together. -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@spark.apache.org For additional commands, e-mail: issues-h...@spark.apache.org