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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-1579) Create a Flink History Server
Date Tue, 14 Mar 2017 14:17:45 GMT

    [ https://issues.apache.org/jira/browse/FLINK-1579?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15924272#comment-15924272
] 

ASF GitHub Bot commented on FLINK-1579:
---------------------------------------

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

    https://github.com/apache/flink/pull/3460#discussion_r105870285
  
    --- Diff: flink-runtime-web/src/main/java/org/apache/flink/runtime/webmonitor/history/HistoryServer.java
---
    @@ -0,0 +1,276 @@
    +/*
    + * 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.webmonitor.history;
    +
    +import io.netty.handler.codec.http.router.Router;
    +import org.apache.flink.api.java.utils.ParameterTool;
    +import org.apache.flink.configuration.Configuration;
    +import org.apache.flink.configuration.GlobalConfiguration;
    +import org.apache.flink.configuration.HistoryServerOptions;
    +import org.apache.flink.core.fs.FileSystem;
    +import org.apache.flink.core.fs.Path;
    +import org.apache.flink.runtime.net.SSLUtils;
    +import org.apache.flink.runtime.security.SecurityUtils;
    +import org.apache.flink.runtime.webmonitor.handlers.DashboardConfigHandler;
    +import org.apache.flink.runtime.webmonitor.utils.WebFrontendBootstrap;
    +import org.apache.flink.util.FileUtils;
    +import org.apache.flink.util.FlinkException;
    +import org.slf4j.Logger;
    +import org.slf4j.LoggerFactory;
    +
    +import javax.net.ssl.SSLContext;
    +import java.io.File;
    +import java.io.FileWriter;
    +import java.io.IOException;
    +import java.lang.reflect.UndeclaredThrowableException;
    +import java.nio.file.Files;
    +import java.util.ArrayList;
    +import java.util.List;
    +import java.util.UUID;
    +import java.util.concurrent.Callable;
    +import java.util.concurrent.CountDownLatch;
    +import java.util.concurrent.atomic.AtomicBoolean;
    +
    +public class HistoryServer {
    +
    +	private static final Logger LOG = LoggerFactory.getLogger(HistoryServer.class);
    +
    +	private final String webAddress;
    +	private final int webPort;
    +	private final long webRefreshIntervalMillis;
    +	private final File webDir;
    +
    +	private final HistoryServerArchiveFetcher archiveFetcher;
    +
    +	private final SSLContext serverSSLContext;
    +	private WebFrontendBootstrap netty;
    +
    +	private final Object startupShutdownLock = new Object();
    +	private final AtomicBoolean shutdownRequested = new AtomicBoolean(false);
    +	private final Thread shutdownHook;
    +
    +	public static void main(String[] args) throws Exception {
    +		ParameterTool pt = ParameterTool.fromArgs(args);
    +		String configDir = pt.getRequired("configDir");
    +
    +		LOG.info("Loading configuration from {}", configDir);
    +		final Configuration flinkConfig = GlobalConfiguration.loadConfiguration(configDir);
    +
    +		// run the job manager
    --- End diff --
    
    Copy paste comment, please adjust


> Create a Flink History Server
> -----------------------------
>
>                 Key: FLINK-1579
>                 URL: https://issues.apache.org/jira/browse/FLINK-1579
>             Project: Flink
>          Issue Type: New Feature
>          Components: Distributed Coordination
>    Affects Versions: 0.9
>            Reporter: Robert Metzger
>            Assignee: Chesnay Schepler
>
> Right now its not possible to analyze the job results for jobs that ran on YARN, because
we'll loose the information once the JobManager has stopped.
> Therefore, I propose to implement a "Flink History Server" which serves  the results
from these jobs.
> I haven't started thinking about the implementation, but I suspect it involves some JSON
files stored in HDFS :)



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