mapred.job.tracker {{ jobtracker_cluster_id }} mapred.jobtrackers.{{ jobtracker_cluster_id }} {{ jobtracker_cluster_id_1 }},{{ jobtracker_cluster_id_2 }} Comma-separated list of JobTracker IDs. mapred.jobtracker.rpc-address.{{ jobtracker_cluster_id }}.{{ jobtracker_cluster_id_1 }} {{ jobtracker_node_1_hostname }}:{{ jobtracker_cluster_id1_rpc_port }} mapred.jobtracker.rpc-address.{{ jobtracker_cluster_id }}.{{ jobtracker_cluster_id_2 }} {{ jobtracker_node_2_hostname }}:{{ jobtracker_cluster_id2_rpc_port }} mapred.job.tracker.http.address.{{ jobtracker_cluster_id }}.{{ jobtracker_cluster_id_1 }} 0.0.0.0:{{ jobtracker_cluster_id1_http_port }} mapred.job.tracker.http.address.{{ jobtracker_cluster_id }}.{{ jobtracker_cluster_id_2 }} 0.0.0.0:{{ jobtracker_cluster_id2_http_port }} mapred.ha.jobtracker.rpc-address.{{ jobtracker_cluster_id }}.{{ jobtracker_cluster_id_1 }} {{ jobtracker_node_1_hostname }}:{{ jobtracker_cluster_id1_ha_rpc_port }} mapred.ha.jobtracker.rpc-address.{{ jobtracker_cluster_id }}.{{ jobtracker_cluster_id_2 }} {{ jobtracker_node_2_hostname }}:{{ jobtracker_cluster_id2_ha_rpc_port }} mapred.ha.jobtracker.http-redirect-address.{{ jobtracker_cluster_id }}.{{ jobtracker_cluster_id_1 }} {{ jobtracker_node_1_hostname }}:{{ jobtracker_cluster_id1_http_port }} mapred.ha.jobtracker.http-redirect-address.{{ jobtracker_cluster_id }}.{{ jobtracker_cluster_id_2 }} {{ jobtracker_node_2_hostname }}:{{ jobtracker_cluster_id2_http_port }} mapred.jobtracker.restart.recover {{ jobtracker_restart_recover }} mapred.client.failover.proxy.provider.{{ jobtracker_cluster_id }} 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 {{ jobtracker_failover_connect_retries }} mapred.client.failover.connection.retries.on.timeouts {{ jobtracker_failover_connect_retries }} mapred.ha.fencing.methods shell(/bin/true) mapred.ha.automatic-failover.enabled {{ jobtracker_auto_failover_enabled }} mapred.ha.zkfc.port {{ jobtracker_zkfc_port }} mapred.task.tracker.http.address 0.0.0.0:{{ mapred_tasktracker_http_port }} mapred.system.dir /tmp/mapred/system mapreduce.job.counters.max {{ mapreduce_job_counters_max }} mapred.healthChecker.script.path mapred.healthChecker.script.args mapred.local.dir /data/mapred/local mapred.tasktracker.instrumentation org.apache.hadoop.mapred.TaskTrackerMetricsInst io.sort.factor {{ mapred_io_sort_factor }} true {% if mapred_use_fair_scheduler %} mapred.jobtracker.taskScheduler org.apache.hadoop.mapred.FairScheduler mapred.fairscheduler.allocation.file {{ mapred_fair_scheduler_allocation_file }} {% endif %} mapred.reduce.slowstart.completed.maps {{ mapred_reduce_slowstart_maps }} mapred.tasktracker.map.tasks.maximum {{ mapred_tasktracker_map_tasks_maximum }} mapred.tasktracker.reduce.tasks.maximum {{ mapred_tasktracker_reduce_tasks_maximum }} mapred.reduce.parallel.copies {{ mapred_reduce_parallel_copies }} tasktracker.http.threads {{ mapred_tasktracker_http_threads }} mapred.userlog.retain.hours {{ mapred_userlog_retain_hours }} io.sort.mb {{ mapred_tasktracker_io_sort_mb }} true mapred.child.java.opts {{ mapred_child_java_opts }} true mapred.map.child.java.opts {{ mapred_map_child_java_opts }} true mapred.reduce.child.java.opts {{ mapred_reduce_child_java_opts }} true mapred.job.reuse.jvm.num.tasks 1 true