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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-986) Add intermediate results to distributed runtime
Date Tue, 09 Dec 2014 16:25:13 GMT

    [ https://issues.apache.org/jira/browse/FLINK-986?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14239605#comment-14239605
] 

ASF GitHub Bot commented on FLINK-986:
--------------------------------------

Github user StephanEwen commented on a diff in the pull request:

    https://github.com/apache/incubator-flink/pull/254#discussion_r21539833
  
    --- Diff: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/buffer/Buffer.java
---
    @@ -0,0 +1,124 @@
    +/*
    + * 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
    + *
    + *     http://www.apache.org/licenses/LICENSE-2.0
    + *
    + * 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.
    + */
    +
    +package org.apache.flink.runtime.io.network.buffer;
    +
    +import org.apache.flink.core.memory.MemorySegment;
    +
    +import java.nio.ByteBuffer;
    +import java.util.concurrent.atomic.AtomicInteger;
    +
    +import static com.google.common.base.Preconditions.checkArgument;
    +import static com.google.common.base.Preconditions.checkNotNull;
    +import static com.google.common.base.Preconditions.checkState;
    +
    +/**
    + * Wrapper for pooled {@link MemorySegment} instances.
    + */
    +public class Buffer {
    +
    +	/** Size of the backing {@link MemorySegment} instance */
    --- End diff --
    
    Not quite the size, rather the segment itself...


> Add intermediate results to distributed runtime
> -----------------------------------------------
>
>                 Key: FLINK-986
>                 URL: https://issues.apache.org/jira/browse/FLINK-986
>             Project: Flink
>          Issue Type: New Feature
>          Components: Distributed Runtime
>            Reporter: Ufuk Celebi
>            Assignee: Ufuk Celebi
>            Priority: Blocker
>
> Support for intermediate results in the runtime is currently blocking different efforts
like fault tolerance or result collection at the client.



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