postgres_exporter: metrics was collected before with the same name and label values

[xluffy]

> curl 127.0.0.1:9187/metrics

An error has occurred while serving metrics:

5 error(s) occurred:
* collected metric "pg_stat_statements_calls_total" { label:{name:"datname"  value:"gh_core_prod"}  label:{name:"queryid"  value:"549333668763896527"}  label:{name:"user"  value:"postgres"}  counter:{value:1}} was collected before with the same name and label values
* collected metric "pg_stat_statements_seconds_total" { label:{name:"datname"  value:"gh_core_prod"}  label:{name:"queryid"  value:"549333668763896527"}  label:{name:"user"  value:"postgres"}  counter:{value:0.26491449}} was collected before with the same name and label values
* collected metric "pg_stat_statements_rows_total" { label:{name:"datname"  value:"gh_core_prod"}  label:{name:"queryid"  value:"549333668763896527"}  label:{name:"user"  value:"postgres"}  counter:{value:168}} was collected before with the same name and label values
* collected metric "pg_stat_statements_block_read_seconds_total" { label:{name:"datname"  value:"gh_core_prod"}  label:{name:"queryid"  value:"549333668763896527"}  label:{name:"user"  value:"postgres"}  counter:{value:0.545993546}} was collected before with the same name and label values
* collected metric "pg_stat_statements_block_write_seconds_total" { label:{name:"datname"  value:"gh_core_prod"}  label:{name:"queryid"  value:"549333668763896527"}  label:{name:"user"  value:"postgres"}  counter:{value:0.008973103}} was collected before with the same name and label values

psql> SELECT *  FROM pg_stat_statements WHERE queryid = 549333668763896527;

Solution

psql> SELECT pg_stat_statements_reset();
 pg_stat_statements_reset
--------------------------

(1 row)

Time: 1.058 ms