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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1984) Integrate Flink with Apache Mesos
Date Thu, 18 Aug 2016 10:23:20 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1984?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15426226#comment-15426226
] 

ASF GitHub Bot commented on FLINK-1984:
---------------------------------------

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

    https://github.com/apache/flink/pull/2315#discussion_r75283539
  
    --- Diff: flink-mesos/src/main/java/org/apache/flink/mesos/runtime/clusterframework/store/ZooKeeperMesosWorkerStore.java
---
    @@ -0,0 +1,290 @@
    +/*
    + * 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.mesos.runtime.clusterframework.store;
    +
    +import org.apache.curator.framework.CuratorFramework;
    +import org.apache.curator.framework.recipes.shared.SharedCount;
    +import org.apache.curator.framework.recipes.shared.SharedValue;
    +import org.apache.curator.framework.recipes.shared.VersionedValue;
    +import org.apache.flink.api.java.tuple.Tuple2;
    +import org.apache.flink.configuration.ConfigConstants;
    +import org.apache.flink.configuration.Configuration;
    +import org.apache.flink.runtime.state.StateHandle;
    +import org.apache.flink.runtime.util.ZooKeeperUtils;
    +import org.apache.flink.runtime.zookeeper.StateStorageHelper;
    +import org.apache.flink.runtime.zookeeper.ZooKeeperStateHandleStore;
    +import org.apache.mesos.Protos;
    +import org.apache.zookeeper.KeeperException;
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +import scala.Option;
    +
    +import java.util.ArrayList;
    +import java.util.Collections;
    +import java.util.ConcurrentModificationException;
    +import java.util.List;
    +
    +import static org.apache.flink.util.Preconditions.checkNotNull;
    +import static org.apache.flink.util.Preconditions.checkState;
    +
    +/**
    + * A ZooKeeper-backed Mesos worker store.
    + */
    +public class ZooKeeperMesosWorkerStore implements MesosWorkerStore {
    +
    +	private static final Logger LOG = LoggerFactory.getLogger(ZooKeeperMesosWorkerStore.class);
    +
    +	private final Object cacheLock = new Object();
    --- End diff --
    
    Seems like the store should only be accessed by the ResourceManager. In this case we could
remove the lock.


> Integrate Flink with Apache Mesos
> ---------------------------------
>
>                 Key: FLINK-1984
>                 URL: https://issues.apache.org/jira/browse/FLINK-1984
>             Project: Flink
>          Issue Type: New Feature
>          Components: Cluster Management
>            Reporter: Robert Metzger
>            Assignee: Eron Wright 
>            Priority: Minor
>         Attachments: 251.patch
>
>
> There are some users asking for an integration of Flink into Mesos.
> -There also is a pending pull request for adding Mesos support for Flink-: https://github.com/apache/flink/pull/251
> Update (May '16):  a new effort is now underway, building on the recent ResourceManager
work.
> Design document:  ([google doc|https://docs.google.com/document/d/1WItafBmGbjlaBbP8Of5PAFOH9GUJQxf5S4hjEuPchuU/edit?usp=sharing])



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