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Date: Sun, 6 Dec 2009 00:25:20 +0000 (UTC)
From: "Seth Ladd (JIRA)" <jira@apache.org>
To: hbase-dev@hadoop.apache.org
Subject: [jira] Commented: (HBASE-1961) HBase EC2 scripts
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    [ https://issues.apache.org/jira/browse/HBASE-1961?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12786548#action_12786548 ] 

Seth Ladd commented on HBASE-1961:
----------------------------------

I think I've discovered another issue.

In launch-hbase-master, line 91 reads:

scp $SSH_OPTS $PRIVATE_KEY_PATH "root@$MASTER_EC2_HOST:/root/.ssh/id_rsa"

I think $PRIVATE_KEY_PATH should actually be $EC2_ROOT_SSH_KEY

I'll give it a shot.

> HBase EC2 scripts
> -----------------
>
>                 Key: HBASE-1961
>                 URL: https://issues.apache.org/jira/browse/HBASE-1961
>             Project: Hadoop HBase
>          Issue Type: New Feature
>         Environment: Amazon AWS EC2
>            Reporter: Andrew Purtell
>            Assignee: Andrew Purtell
>            Priority: Minor
>
> Attached tarball is a clone of the Hadoop EC2 scripts, modified significantly to start up a HBase storage only cluster on top of HDFS backed by instance storage. 
> Tested with the HBase 0.20 branch but should work with trunk also. Only the AMI create and launch scripts are tested. Will bring up a functioning HBase cluster. 
> Do "create-hbase-image c1.xlarge" to create an x86_64 AMI, or "create-hbase-image c1.medium" to create an i386 AMI.  Public Hadoop/HBase 0.20.1 AMIs are available:
>     i386: ami-c644a7af
>     x86_64: ami-f244a79b
> launch-hbase-cluster brings up the cluster: First, a small dedicated ZK quorum, specifiable in size, default of 3. Then, the DFS namenode (formatting on first boot) and one datanode and the HBase master. Then, a specifiable number of slaves, instances running DFS datanodes and HBase region servers.  For example:
> {noformat}
>     launch-hbase-cluster testcluster 100 5
> {noformat}
> would bring up a cluster with 100 slaves supported by a 5 node ZK ensemble.
> We must colocate a datanode with the namenode because currently the master won't tolerate a brand new DFS with only namenode and no datanodes up yet. See HBASE-1960. By default the launch scripts provision ZooKeeper as c1.medium and the HBase master and region servers as c1.xlarge. The result is a HBase cluster supported by a ZooKeeper ensemble. ZK ensembles are not dynamic, but HBase clusters can be grown by simply starting up more slaves, just like Hadoop. 
> hbase-ec2-init-remote.sh can be trivially edited to bring up a jobtracker on the master node and task trackers on the slaves.

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