It is a fluentd issue, have you checked fluentd documentation ? Take a look to https://github.com/fluent/fluent-plugin-webhdfs :   <match access.**> @type webhdfs namenode master1.your.cluster.local:50070 standby_namenode master2.your.cluster.local:50070 path /path/on/hdfs/access.log.%Y%m%d_%H.log </match>     ... View more