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From andrewor14 <>
Subject [GitHub] spark pull request: [SPARK-3796] Create external service which can...
Date Fri, 31 Oct 2014 02:06:32 GMT
Github user andrewor14 commented on a diff in the pull request:
    --- Diff: network/shuffle/src/main/java/org/apache/spark/network/shuffle/
    @@ -0,0 +1,151 @@
    + * Licensed to the Apache Software Foundation (ASF) under one or more
    + * contributor license agreements.  See the NOTICE file distributed with
    + * this work for additional information regarding copyright ownership.
    + * The ASF licenses this file to You under the Apache License, Version 2.0
    + * (the "License"); you may not use this file except in compliance with
    + * the License.  You may obtain a copy of the License at
    + *
    + *
    + *
    + * Unless required by applicable law or agreed to in writing, software
    + * distributed under the License is distributed on an "AS IS" BASIS,
    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + * See the License for the specific language governing permissions and
    + * limitations under the License.
    + */
    +import java.util.concurrent.ConcurrentHashMap;
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    + * Manages converting shuffle BlockIds into physical segments of local files. Each Executor
    + * register its own configuration about where it stores its files (local dirs) and how
    + * manager). The logic for retrieval of individual files is replicated from Spark's
    + * FileShuffleBlockManager and IndexShuffleBlockManager.
    + *
    + * Executors with shuffle file consolidation are not currently supported, as the index
is stored in
    + * the Executor's memory, unlike the IndexShuffleBlockManager.
    + */
    +public class StandaloneShuffleBlockManager {
    --- End diff --
    Oh cool. I think we should call it something else because a lot of people automatically
associate "standalone" with the cluster manager. There was a PR a while back that rewords
this in the docs to replace "standalone" with something like "self-contained" or "isolated"

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