2013-11-06  Andrea Dell'Amico  <adellam@sevenseas.org>

	* templates/hadoop-nrpe.cfg.j2: Add the correct entry for the tasktracker event handler.

2013-11-04  Andrea Dell'Amico  <adellam@sevenseas.org>

	* templates/iptables-rules.v4.j2: Add access to the hbase master rpc port from the isti network.

2013-10-10  Andrea Dell'Amico  <adellam@sevenseas.org>

	* templates/hbase-site.j2: Add the property hbase.master.loadbalance.bytable to try a better balance for our workload. Reference here: http://answers.mapr.com/questions/7049/table-only-on-single-region-server

2013-10-09  Andrea Dell'Amico  <adellam@sevenseas.org>

	* templates/nagios-server/hadoop-cluster/services.cfg.j2: Handler to restart the tasktracker when it fails.
	* templates/iptables-rules.*.j2: iptables rules to block access to the services ports from outside CNR.

2013-10-07  Andrea Dell'Amico  <adellam@sevenseas.org>

	* templates/nagios-server: added checks for the logstash host and services
	* logstash.yml: Add logstash with remote syslog to aggregate all the workers logs. Needed for solr.

2013-10-01  Andrea Dell'Amico  <adellam@sevenseas.org>

	* templates/: management portal that redirects to the services web interfaces.

2013-09-23  Andrea Dell'Amico  <adellam@sevenseas.org>

	* tasks/jobtracker-ha.yml: HA configuration for the jobtracker. jobtracker.t.hadoop and quorum4.t.hadoop are the two masters.

2013-09-19  Andrea Dell'Amico  <adellam@sevenseas.org>

	* all.yml: HDFS is now HA. All the datanodes lists are generated from the hosts file and are not static anymore. Changed nagios to reflect the new configuration.

2013-09-17  Andrea Dell'Amico  <adellam@sevenseas.org>

	* templates: Changed the system-* scripts to manage the second namenode instance. Removed the secondary namenode start/stop script

2013-09-12  Andrea Dell'Amico  <adellam@sevenseas.org>

	* hadoop-test.yml: New quorum4.t.hadoop node. Zookeeper now has 5
	quorum nodes. HBASE master HA. quorum4 is the other instance.

2013-07-29  Andrea Dell'Amico  <adellam@sevenseas.org>

	* templates/datanode-hdfs-site.j2: Added "support_append" as "true" and max_xcievers as 1024

2013-06-20  Andrea Dell'Amico  <adellam@sevenseas.org>

	* hadoop-ganglia.yml: The ganglia configuration is now differentiated between datanodes, jobtracker, hbase master, hdfs namenode, hdfs secondary namenode

2013-02-27  Andrea Dell'Amico  <adellam@sevenseas.org>

	* vars/hadoop-global-vars.yml: mapred_tasktracker_reduce_tasks_maximum: 5, hbase_regionserver_heap_size: 3192

2013-02-22  Andrea Dell'Amico  <adellam@isti.cnr.it>

	* init.sh: Create hdfs directory /jobtracker to store the jobtracker history
	* templates/mapred-site-jobtracker.j2: Activate permanent jobtracker history
	* jobtracker.yml: Cleanup

2013-02-18  Andrea Dell'Amico  <adellam@isti.cnr.it>

	* vars/hadoop-global-vars.yml: mapred_child_java_opts: "-Xmx3092M", mapred_map_child_java_opts: "-Xmx2048M", mapred_reduce_child_java_opts: "-Xmx1512M", hbase_regionserver_heap_size: 4092

2013-02-18  Andrea Dell'Amico  <adellam@isti.cnr.it>

	* vars/hadoop-global-vars.yml: hbase_master_heap_size: 5120, hbase_regionserver_heap_size: 3192

2013-02-18  Andrea Dell'Amico  <adellam@isti.cnr.it>

	* vars/hadoop-global-vars.yml (hbase_thrift_heap_size): mapred_child_java_opts: "-Xmx1512M", mapred_map_child_java_opts: "-Xmx3092M", mapred_reduce_child_java_opts: "-Xmx2048M", hbase_master_heap_size: 3072

2013-02-16  Andrea Dell'Amico  <adellam@isti.cnr.it>

	* templates/hbase-thrift-env.sh.j2: Disabled the jmx console for hbase thrift

	* templates/hbase-master-env.sh.j2: disabled the master jmx console

	* vars/hadoop-global-vars.yml: zookeeper_max_timeout: 240000, fixed the zookeeper quorum host naming

2013-02-16  Andrea Dell'Amico  <adellam@isti.cnr.it>

	* vars/hadoop-global-vars.yml: mapred_child_java_opts: "-Xmx2G", mapred_reduce_child_java_opts: "-Xmx2512M", hbase_regionserver_heap_size: 5000


