purge old PMM-server data

Percona Monitoring and Management (PMM) PMM 1.x
#1

I’ve configured pmm-server on docker with default METRICS_RETENTION (1 month).

How i can purge old data and re-run pmm-server with METRICS_RETENTION=192h ?

#2

please find the answer in https://www.percona.com/forums/node/48761 topic

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