phstudy

 INFO [main] (LogHelper.java:46) - HHH000204: Processing PersistenceUnitInfo [
	name: pu-hibernate
	...]
 INFO [main] (Version.java:54) - HHH000412: Hibernate Core {4.3.1.Final}
 INFO [main] (Environment.java:239) - HHH000206: hibernate.properties not found
 INFO [main] (Environment.java:346) - HHH000021: Bytecode provider name : javassist
 INFO [main] (JavaReflectionManager.java:66) - HCANN000001: Hibernate Commons Annotations {4.0.4.Final}
 WARN [main] (DriverManagerConnectionProviderImpl.java:93) - HHH000402: Using Hibernate built-in connection pool (not for production use!)
 INFO [main] (DriverManagerConnectionProviderImpl.java:166) - HHH000401: using driver [org.postgresql.Driver] at URL [jdbc:postgresql:study?stringtype=unspecified]
 INFO [main] (DriverManagerConnectionProviderImpl.java:175) - HHH000046: Connection properties: {user=study}

phstudy

// MySQL sample database
// https://dev.mysql.com/doc/employee/en/employees-installation.html
// https://launchpad.net/test-db/

project --topLevelPackage org.phstudy --projectName DBRE --java 6 --packaging JAR

persistence setup --database MYSQL --provider HIBERNATE --userName root --databaseName employees

database reverse engineer --package ~.model --schema PUBLIC

phstudy

# enable eth0
cd /etc/sysconfig/network-scripts/ 
sed -i -e 's@^ONBOOT="no@ONBOOT="yes@' ifcfg-eth0
ifup eth0

# update repository (may not required.)
# yum update

# install openjdk
yum install java-1.7.0-openjdk.x86_64

phstudy

[root@bigtop1 usr]# yum list installed | grep Bigtop #(Active NN)
bigtop-jsvc.x86_64      1.0.10.5-1.el6  @Bigtop
bigtop-utils.noarch     0.7.0.5-1.el6   @Bigtop
hadoop.x86_64           2.0.6.5-1.el6   @Bigtop
hadoop-hdfs.x86_64      2.0.6.5-1.el6   @Bigtop
                        2.0.6.5-1.el6   @Bigtop
                        2.0.6.5-1.el6   @Bigtop
hbase.noarch            0.94.12.5-1.el6 @Bigtop
hbase-master.noarch     0.94.12.5-1.el6 @Bigtop
                        0.94.12.5-1.el6 @Bigtop

phstudy

[root@bigtop1 usr]# jps
12751 QuorumPeerMain
15524 Jps
13192 NameNode
13758 DataNode

[root@bigtop2 vagrant]# jps
9224 Jps
12640 NameNode

phstudy

[vagrant@bigtop1 ~]$ sudo jps
9040 QuorumPeerMain
9431 SecondaryNameNode
13624 HRegionServer
14495 ThriftServer
9888 NameNode
14043 HMaster
14909 Jps
10315 DataNode

phstudy

[vagrant@bigtop1 ~]$ yum list installed | grep @Bigtop
bigtop-jsvc.x86_64      1.0.10.5-1.el6  @Bigtop
bigtop-utils.noarch     0.7.0.5-1.el6   @Bigtop
hadoop.x86_64           2.0.6.5-1.el6   @Bigtop
hadoop-client.x86_64    2.0.6.5-1.el6   @Bigtop
hadoop-debuginfo.x86_64 2.0.6.5-1.el6   @Bigtop
hadoop-doc.x86_64       2.0.6.5-1.el6   @Bigtop
hadoop-hdfs.x86_64      2.0.6.5-1.el6   @Bigtop
                        2.0.6.5-1.el6   @Bigtop
hadoop-hdfs-fuse.x86_64 2.0.6.5-1.el6   @Bigtop

phstudy

Inspector ran on all 4 hosts.
The following failures were observed in checking hostnames...
No errors were found while looking for conflicting init scripts.
No errors were found while checking /etc/hosts.
All hosts resolved localhost to 127.0.0.1.
All hosts checked resolved each other's hostnames correctly and in a timely manner.
Host clocks are approximately in sync (within ten minutes).
Host time zones are consistent across the cluster.
No users or groups are missing.
No conflicts detected between packages and parcels.

phstudy

<property>
  <name>dfs.nameservices</name>
  <value>study</value>
</property>

<property>
  <name>dfs.ha.namenodes.study</name>
  <value>nn1,nn2</value>

phstudy

sudo mkdir -p /dfs/jn
sudo chown -R hdfs:hdfs /dfs/jn