Elasticsearch 日志报警信息

最近搭建了ELK stack 
 
架构如下
 
Filebeat => Logstash => Kafka(zookeeper) => Logstash => Elasticsearch => Kibana
 
最近发现 Elasticsearch 日志有如下警告信息  请教如何解决
 
[2017-06-29T10:07:14,971][WARN ][o.e.d.r.a.RestFieldStatsAction] [_field_stats] endpoint is deprecated! Use [_field_caps] instead or run a min/max aggregations on the desired fields.
[2017-06-29T10:07:22,758][WARN ][o.e.d.r.a.RestFieldStatsAction] [_field_stats] endpoint is deprecated! Use [_field_caps] instead or run a min/max aggregations on the desired fields.
[2017-06-29T10:07:34,925][WARN ][o.e.d.r.a.RestFieldStatsAction] [_field_stats] endpoint is deprecated! Use [_field_caps] instead or run a min/max aggregations on the desired fields.
[2017-06-29T10:07:45,814][WARN ][o.e.d.r.a.RestFieldStatsAction] [_field_stats] endpoint is deprecated! Use [_field_caps] instead or run a min/max aggregations on the desired fields.
[2017-06-29T10:07:57,055][WARN ][o.e.d.r.a.RestFieldStatsAction] [_field_stats] endpoint is deprecated! Use [_field_caps] instead or run a min/max aggregations on the desired fields.
[2017-06-29T10:07:59,388][WARN ][o.e.d.r.a.RestFieldStatsAction] [_field_stats] endpoint is deprecated! Use [_field_caps] instead or run a min/max aggregations on the desired fields.
[2017-06-29T10:08:11,575][WARN ][o.e.d.r.a.RestFieldStatsAction] [_field_stats] endpoint is deprecated! Use [_field_caps] instead or run a min/max aggregations on the desired fields.