CentOS 8
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Prometheus : Remove Data2020/07/29

 
If you'd like to remove time series data on Prometheus, set like follows. (Prometheus 2.1 or later)
This is the deletion API.
⇒ http://prometheus/api/v2/admin/tsdb/delete_series
[1] Enable Admin API first to use deletion API.
[root@dlp ~]#
vi /etc/default/prometheus
# add

PROMETHEUS_OPTS='--config.file=/etc/prometheus/prometheus.yml --storage.tsdb.path=/var/lib/prometheus/data
--web.enable-admin-api
'
[root@dlp ~]#
systemctl restart prometheus
[2] This is some examples of removing Data.
# remove data that [job] name matches [Blackbox_tcp]

[root@dlp ~]#
curl -X POST -g 'http://dlp.srv.world:9090/api/v1/admin/tsdb/delete_series?match[]={job="Blackbox_tcp"}'

# remove data that [instance] name matches [node02.srv.world]

[root@dlp ~]#
curl -X POST -g 'http://dlp.srv.world:9090/api/v1/admin/tsdb/delete_series?match[]={instance="node02.srv.world"}'

# remove all data

[root@dlp ~]#
curl -X POST -g 'http://dlp.srv.world:9090/api/v1/admin/tsdb/delete_series?match[]={__name__=~".+"}'

# removed data are actually still on disk but if you'd like to clean up them manually, run like follows

[root@dlp ~]#
curl -X POST -g 'http://dlp.srv.world:9090/api/v1/admin/tsdb/clean_tombstones'

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