2013-11-06 Andrea Dell'Amico * templates/hadoop-nrpe.cfg.j2: Add the correct entry for the tasktracker event handler. 2013-11-04 Andrea Dell'Amico * templates/iptables-rules.v4.j2: Add access to the hbase master rpc port from the isti network. 2013-10-10 Andrea Dell'Amico * 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 * 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 * 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 * templates/: management portal that redirects to the services web interfaces. 2013-09-23 Andrea Dell'Amico * 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 * 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 * templates: Changed the system-* scripts to manage the second namenode instance. Removed the secondary namenode start/stop script 2013-09-12 Andrea Dell'Amico * 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 * templates/datanode-hdfs-site.j2: Added "support_append" as "true" and max_xcievers as 1024 2013-06-20 Andrea Dell'Amico * 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 * vars/hadoop-global-vars.yml: mapred_tasktracker_reduce_tasks_maximum: 5, hbase_regionserver_heap_size: 3192 2013-02-22 Andrea Dell'Amico * 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 * 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 * vars/hadoop-global-vars.yml: hbase_master_heap_size: 5120, hbase_regionserver_heap_size: 3192 2013-02-18 Andrea Dell'Amico * 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 * 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 * vars/hadoop-global-vars.yml: mapred_child_java_opts: "-Xmx2G", mapred_reduce_child_java_opts: "-Xmx2512M", hbase_regionserver_heap_size: 5000