Why auto delete the monitoring data(7 days) about es and kibana how to change it

Elastic Stack Kibana
1 
[2017-10-10T01:00:00,001][INFO ][o.e.x.m.e.l.LocalExporter] cleaning up [2] old indices
[2017-10-10T01:00:00,003][INFO ][o.e.c.m.MetaDataDeleteIndexService] [xxx.xxx] [.monitoring-kibana-2-2017.10.02/ozkaTfbFRb2u35iQclZvOQ] deleting index
[2017-10-10T01:00:00,003][INFO ][o.e.c.m.MetaDataDeleteIndexService] [xxx.xxx] [.monitoring-es-2-2017.10.02/7fJ_ilDgR-mRXI31fh8Jsg] deleting index

it auto delete the monitoring data about es and kibana it about 7 days save ,the other indices no delete
how change it ?
thanks .

2

If you are using the free "basic" license for X-Pack, then the monitoring history is limited to 7 days.

If you are using a paid license (gold or platinum) then you can configure the expiry with the xpack.monitoring.history.duration setting in your elasticsearch.yml file.

3

if gold or platinum also need setting the xpack.monitoring.history.duration in elasticsearch.yml file?
if not set,what the defalut days about it.
"xpack.monitoring.history.duration" set like xpack.monitoring.history.duration: 300d

4

Please see the documentation for the X-Pack Monitoring Settings

The default value is 7 days for all licenses.
The ability to configure that setting only exists in Gold or Platinum.

5

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