Why auto delete the monitoring data about es and kibana how to change it

Elastic Stack Elasticsearch
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

Please see your other thread for the answer Why auto delete the monitoring data(7 days) about es and kibana how to change it