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Date: Sat, 7 Nov 2009 18:15:33 +0000 (UTC)
From: "Andrew Purtell (JIRA)" <jira@apache.org>
To: hbase-dev@hadoop.apache.org
Subject: [jira] Created: (HBASE-1961) HBase EC2 scripts
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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
            Priority: Minor
             Fix For: 0.21.0, 0.20.3


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.  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 fixed size 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. 

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