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Hi, I use Postgres_exporter 0.17.1 PostgreSQL 17, Grafana 12.0.1, Prometheus 3.4.0 on Rocky 8.
But some Grafana graphics are empty which are about checkpoint and bgwriter.
I check graphics' metrics and I see some old PostgreSQL statistic tables' columns in queries.
For example:
Checkpoint stats graphic's query: rate(pg_stat_bgwriter_checkpoint_write_time{instance="$instance"}[$interval]) or irate(pg_stat_bgwriter_checkpoint_write_time{instance="$instance"}[5m])
Buffers (bgwriter) query: rate(pg_stat_bgwriter_buffers_alloc{instance="$instance"}[$interval]) or irate(pg_stat_bgwriter_buffers_alloc{instance="$instance"}[5m])
But there is not buffers_alloc column on pg_stat_bgwriter table in PostgreSQL 17.
Is it a bug? Thanks.
The text was updated successfully, but these errors were encountered:
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Hi,
I use Postgres_exporter 0.17.1 PostgreSQL 17, Grafana 12.0.1, Prometheus 3.4.0 on Rocky 8.
But some Grafana graphics are empty which are about checkpoint and bgwriter.
I check graphics' metrics and I see some old PostgreSQL statistic tables' columns in queries.
For example:
Checkpoint stats graphic's query:
rate(pg_stat_bgwriter_checkpoint_write_time{instance="$instance"}[$interval]) or
irate(pg_stat_bgwriter_checkpoint_write_time{instance="$instance"}[5m])
Buffers (bgwriter) query:
rate(pg_stat_bgwriter_buffers_alloc{instance="$instance"}[$interval]) or
irate(pg_stat_bgwriter_buffers_alloc{instance="$instance"}[5m])
But there is not buffers_alloc column on pg_stat_bgwriter table in PostgreSQL 17.
Is it a bug?
Thanks.
The text was updated successfully, but these errors were encountered: