mapred.job.tracker {{ hadoop['mapred_job_tracker_ha_servicename'] }} mapred.jobtrackers.{{ hadoop['mapred_job_tracker_ha_servicename'] }} {{ groups['hadoop_masters'] | join(',') }} Comma-separated list of JobTracker IDs. mapred.ha.automatic-failover.enabled true mapred.ha.zkfc.port {{ hadoop['mapred_ha_zkfc_port'] }} mapred.ha.fencing.methods shell(/bin/true) ha.zookeeper.quorum {{ groups.zookeeper_servers | join(':' ~ hadoop['zookeeper_clientport'] + ',') }}:{{ hadoop['zookeeper_clientport'] }} {% for host in groups['hadoop_masters'] %} mapred.jobtracker.rpc-address.{{ hadoop['mapred_job_tracker_ha_servicename'] }}.{{ host }} {{ host }}:{{ hadoop['mapred_job_tracker_port'] }} {% endfor %} {% for host in groups['hadoop_masters'] %} mapred.job.tracker.http.address.{{ hadoop['mapred_job_tracker_ha_servicename'] }}.{{ host }} 0.0.0.0:{{ hadoop['mapred_job_tracker_http_address_port'] }} {% endfor %} {% for host in groups['hadoop_masters'] %} mapred.ha.jobtracker.rpc-address.{{ hadoop['mapred_job_tracker_ha_servicename'] }}.{{ host }} {{ host }}:{{ hadoop['mapred_ha_jobtracker_rpc-address_port'] }} {% endfor %} {% for host in groups['hadoop_masters'] %} mapred.ha.jobtracker.http-redirect-address.{{ hadoop['mapred_job_tracker_ha_servicename'] }}.{{ host }} {{ host }}:{{ hadoop['mapred_job_tracker_http_address_port'] }} {% endfor %} mapred.jobtracker.restart.recover true mapred.job.tracker.persist.jobstatus.active true mapred.job.tracker.persist.jobstatus.hours 1 mapred.job.tracker.persist.jobstatus.dir {{ hadoop['mapred_job_tracker_persist_jobstatus_dir'] }} mapred.client.failover.proxy.provider.{{ hadoop['mapred_job_tracker_ha_servicename'] }} org.apache.hadoop.mapred.ConfiguredFailoverProxyProvider mapred.client.failover.max.attempts 15 mapred.client.failover.sleep.base.millis 500 mapred.client.failover.sleep.max.millis 1500 mapred.client.failover.connection.retries 0 mapred.client.failover.connection.retries.on.timeouts 0 mapred.local.dir {{ hadoop["mapred_local_dir"] | join(',') }} mapred.task.tracker.http.address 0.0.0.0:{{ hadoop['mapred_task_tracker_http_address_port'] }}