dfs.hosts /etc/hadoop/conf/dfs_hosts_allow.txt dfs.hosts.exclude /etc/hadoop/conf/dfs_hosts_exclude.txt dfs.nameservices {{ hdfs_cluster_id }} dfs.ha.namenodes.{{ hdfs_cluster_id }} {{ hdfs_cluster_ids }} dfs.namenode.rpc-address.{{ hdfs_cluster_id }}.{{ hdfs_cluster_nn_id_1 }} {{ hdfs_namenode_1_hostname }}:{{ hdfs_nn_rpc_port }} dfs.namenode.rpc-address.{{ hdfs_cluster_id }}.{{ hdfs_cluster_nn_id_2 }} {{ hdfs_namenode_2_hostname }}:{{ hdfs_nn_rpc_port }} dfs.namenode.http-address.{{ hdfs_cluster_id }}.{{ hdfs_cluster_nn_id_1 }} {{ hdfs_namenode_1_hostname }}:{{ hdfs_nn_http_port }} dfs.namenode.http-address.{{ hdfs_cluster_id }}.{{ hdfs_cluster_nn_id_2 }} {{ hdfs_namenode_2_hostname }}:{{ hdfs_nn_http_port }} dfs.namenode.shared.edits.dir qjournal://{{ hdfs_journal_0 }}:{{ hdfs_journal_port }};{{ hdfs_journal_1 }}:{{ hdfs_journal_port }};{{ hdfs_journal_2 }}:{{ hdfs_journal_port }};{{ hdfs_journal_3 }}:{{ hdfs_journal_port }};{{ hdfs_journal_4 }}:{{ hdfs_journal_port }}/{{ hdfs_journal_id }} dfs.journalnode.edits.dir {{ hdfs_data_dir }}/{{ hdfs_journal_data_dir }} dfs.client.failover.proxy.provider.{{ hdfs_cluster_id }} org.apache.hadoop.hdfs.server.namenode.ha.ConfiguredFailoverProxyProvider dfs.ha.automatic-failover.enabled true dfs.ha.fencing.methods sshfence dfs.ha.fencing.ssh.private-key-files {{ hdfs_user_home }}/.ssh/id_rsa dfs.namenode.name.dir file://{{ hdfs_data_dir }}/{{ hdfs_nn_data_dir }} dfs.permissions.superusergroup supergroup dfs.replication {{ hdfs_replication }} dfs.namenode.replication.min 1 dfs.replication.max {{ hdfs_repl_max }} dfs.blocksize {{ hdfs_block_size }} dfs.support.append {{ hdfs_support_append }} dfs.namenode.plugins dfs.namenode.handler.count 250 dfs.namenode.name.dir.restore false dfs.thrift.threads.max 20 dfs.thrift.threads.min 10 dfs.thrift.timeout 60 dfs.webhdfs.enabled true dfs.permissions true dfs.namenode.safemode.threshold-pct 0.999 dfs.namenode.invalidate.work.pct.per.iteration 0.32 dfs.namenode.replication.work.multiplier.per.iteration 2 dfs.safemode.min.datanodes 0 dfs.namenode.safemode.extension 30000 dfs.client.use.datanode.hostname false fs.permissions.umask-mode 022 dfs.encrypt.data.transfer false dfs.encrypt.data.transfer.algorithm rc4 dfs.datanode.hdfs-blocks-metadata.enabled true