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From Zhijie Shen <zs...@hortonworks.com>
Subject Re: Aggregation service start
Date Mon, 17 Feb 2014 07:19:44 GMT
"But when the job complete, then I click History of Tracking UI
http://172.11.12.6:8088/cluster again, it raise following error:

Firefox can't establish a connection to the server at master:19888."

This is a problem other than log aggregation. After an MapReduce job
completes, the tracking URL is pointing to the MapReduce history server. It
is very likely that the history server hasn't been running on your machine,
such that you didn't get response from it.

- Zhijie


On Sun, Feb 16, 2014 at 10:03 PM, EdwardKing <zhangsc@neusoft.com> wrote:

> Thanks for you help. I set yarn-site.xml as you told me,like follows:
>
> [hadoop@master hadoop]$ cat yarn-site.xml
> <?xml version="1.0"?>
> <!--
>   Licensed 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. See accompanying LICENSE file.
> -->
> <configuration>
>
> <!-- Site specific YARN configuration properties -->
> <property>
>   <name>yarn.resourcemanager.resource-tracker.address</name>
>   <value>master:8990</value>
>   <description>host is the hostname of the resource manager and port is
> the port on which the NodeManagers contact the Resource Manager.
>   </description>
> </property>
> <property>
>   <name>yarn.resourcemanager.scheduler.address</name>
>   <value>master:8991</value>
>   <description>host is the hostname of the resourcemanager and port is the
> port on which the Applications in the cluster talk to the Resource Manager.
>   </description>
> </property>
> <property>
>   <name>yarn.resourcemanager.scheduler.class</name>
>
> <value>org.apache.hadoop.yarn.server.resourcemanager.scheduler.capacity.CapacityScheduler</value>
>   <description>In case you do not want to use the default
> scheduler</description>
> </property>
> <property>
>   <name>yarn.resourcemanager.address</name>
>   <value>master:8993</value>
>   <description>the host is the hostname of the ResourceManager and port is
> the port on which the clients can talk to the Resource Manager
> </description>
> </property>
> <property>
>   <name>yarn.nodemanager.local-dirs</name>
>   <value>/home/software/tmp/node</value>
>   <description>the local directions used by the nodemanager</description>
> </property>
> <property>
>   <name>yarn.nodemanager.address</name>
>   <value>master:8994</value>
>   <description>the nodemanagers bind to this port</description>
> </property>
> <property>
>   <name>yarn.nodemanager.resource.memory-mb</name>
>   <value>5120</value>
>   <description>the amount of memory on the NodeManager in GB</description>
> </property>
> <property>
>   <name>yarn.nodemanager.remote-app-log-dir</name>
>   <value>/home/software/tmp/app-logs</value>
>   <description>directory on hdfs where the application logs are moved to
> </description>
> </property>
> <property>
>   <name>yarn.nodemanager.log-dirs</name>
>   <value>/home/software/tmp/node</value>
>   <description>the directories used by Nodemanager as log
> directories</description>
> </property>
> <property>
>   <name>yarn.nodemanager.aux-services</name>
>   <value>mapreduce_shuffle</value>
>   <description>shuffle service that needs to be set for Map Reduce to run
> </description>
> </property>
>
> <property>
>   <name>yarn.log-aggregation-enable</name>
>   <value>true</value>
> </property>
>
> </configuration>
>
> Then I submit a job,when this job is running, I click History of Tracking
> UI http://172.11.12.6:8088/cluster
> I can view all log information. It runs ok.
> But when the job complete, then I click History of Tracking UI
> http://172.11.12.6:8088/cluster again, it raise following error:
>
> Firefox can't establish a connection to the server at master:19888.
>
> Do I missing some configuration information in my xml file?  How to
> correct?  Thanks in advance.
>
>
>
>
>
>
>
>
> ----- Original Message -----
> From: Zhijie Shen
> To: user@hadoop.apache.org
> Sent: Monday, February 17, 2014 11:11 AM
> Subject: Re: Aggregation service start
>
>
> Please  set
> <property>
> <name>yarn.log-aggregation-enable</name>
> <value>true</value>
> </property>
> in yarn-site.xml to enable log aggregation.
> -Zhijie
>
> On Feb 16, 2014 6:15 PM, "EdwardKing" <zhangsc@neusoft.com> wrote:
>
> hadoop 2.2.0, I want to view Tracking UI,so I visit
> http://172.11.12.6:8088/cluster,
> then I click History of Completed Job,such as follows:
>
> MapReduce Job job_1392601388579_0001
> Attempt Number  Start Time                     Node        Logs
> 1               Sun Feb 16 17:44:57 PST 2014  master:8042  logs
>
> Then I click logs,but it failed.
> Aggregation is not enabled. Try the nodemanager at master:8994
>
> I guess it must a service don't start, which command I need to execute
> under home/software/hadoop-2.2.0/sbin ?  Thanks.
> [hadoop@node1 sbin]$ ls
> distribute-exclude.sh    start-all.cmd        stop-all.sh
> hadoop-daemon.sh         start-all.sh         stop-balancer.sh
> hadoop-daemons.sh        start-balancer.sh    stop-dfs.cmd
> hdfs-config.cmd          start-dfs.cmd        stop-dfs.sh
> hdfs-config.sh           start-dfs.sh         stop-secure-dns.sh
> httpfs.sh                start-secure-dns.sh  stop-yarn.cmd
> mr-jobhistory-daemon.sh  start-yarn.cmd       stop-yarn.sh
> refresh-namenodes.sh     start-yarn.sh        yarn-daemon.sh
> slaves.sh                stop-all.cmd         yarn-daemons.sh
>
>
>
>
>
>
>
>
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-- 
Zhijie Shen
Hortonworks Inc.
http://hortonworks.com/

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