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From "Andrew Purtell (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HBASE-2009) [EC2] support mapreduce subsystem
Date Tue, 24 Nov 2009 20:01:39 GMT

     [ https://issues.apache.org/jira/browse/HBASE-2009?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Andrew Purtell updated HBASE-2009:
----------------------------------

      Description: 
Feedback up on hbase-user@ from Naresh Rapolu:

{quote}
    Your scripts are working fine. We restarted everything and tested, and they are working
fine. A few issues though :

        * While starting, launch-hbase-cluster gives the following error.
          error: "fs.epoll.max_user_instance" is an unknown key. It occurs during starting
zookeeper instances.
        * We needed MapReduce along with HBase. The note on the JIRA page that you only need
to add only two lines in hbase-ec2-env.sh is insufficient.
          The following changes need to be made.
          1. hbase-ec2-env.sh should write mapred.job.tracker property into hadoop-site.xml
( Also shouldnt you be having core-site.xml and hdfs-site.xml as it is hadoop-0.20.1 ??? Infact
because of this , there are warning messages all over the place when you are using hdfs through
command line ).
          2. HADOOP_CLASSPATH in hadoop/conf/hadoop-env.sh needs to be changed in the underlying
AMI, to include hbase, zookeeper jars and conf directory. Probably you can modify the public
AMI, and recreate the bundle as the paths to these are known apriori. 3. For other users,
the following three lines should be added in hbase-ec2-env.sh
          For master:
          "$HADOOP_HOME"/bin/hadoop-daemon.sh start jobtracker
          "$HADOOP_HOME"/bin/hadoop-daemon.sh start tasktracker
          For slave:
          "$HADOOP_HOME"/bin/hadoop-daemon.sh start tasktracker.
{quote}

         Priority: Minor  (was: Major)
    Fix Version/s: 0.21.0
                   0.20.3

> [EC2] support mapreduce subsystem
> ---------------------------------
>
>                 Key: HBASE-2009
>                 URL: https://issues.apache.org/jira/browse/HBASE-2009
>             Project: Hadoop HBase
>          Issue Type: Sub-task
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>            Priority: Minor
>             Fix For: 0.20.3, 0.21.0
>
>
> Feedback up on hbase-user@ from Naresh Rapolu:
> {quote}
>     Your scripts are working fine. We restarted everything and tested, and they are working
fine. A few issues though :
>         * While starting, launch-hbase-cluster gives the following error.
>           error: "fs.epoll.max_user_instance" is an unknown key. It occurs during starting
zookeeper instances.
>         * We needed MapReduce along with HBase. The note on the JIRA page that you only
need to add only two lines in hbase-ec2-env.sh is insufficient.
>           The following changes need to be made.
>           1. hbase-ec2-env.sh should write mapred.job.tracker property into hadoop-site.xml
( Also shouldnt you be having core-site.xml and hdfs-site.xml as it is hadoop-0.20.1 ??? Infact
because of this , there are warning messages all over the place when you are using hdfs through
command line ).
>           2. HADOOP_CLASSPATH in hadoop/conf/hadoop-env.sh needs to be changed in the
underlying AMI, to include hbase, zookeeper jars and conf directory. Probably you can modify
the public AMI, and recreate the bundle as the paths to these are known apriori. 3. For other
users, the following three lines should be added in hbase-ec2-env.sh
>           For master:
>           "$HADOOP_HOME"/bin/hadoop-daemon.sh start jobtracker
>           "$HADOOP_HOME"/bin/hadoop-daemon.sh start tasktracker
>           For slave:
>           "$HADOOP_HOME"/bin/hadoop-daemon.sh start tasktracker.
> {quote}

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