Metrics based on the
pg_stat_bgwriter
view:
postgresql.bgwriter.buffers_allocated
postgresql.bgwriter.buffers_backend_fsync
postgresql.bgwriter.buffers_backend
postgresql.bgwriter.buffers_checkpoint
postgresql.bgwriter.buffers_clean
postgresql.bgwriter.checkpoint_sync_time_milliseconds
postgresql.bgwriter.checkpoint_write_time_milliseconds
postgresql.bgwriter.checkpoints_requested
postgresql.bgwriter.checkpoints_timed
postgresql.bgwriter.maxwritten_clean
postgresql.bgwriter.stats_reset_unixtime
Starting from Postgres Pro and PostgreSQL 17, the metrics listed below are deprecated for the dropped columns. Use the checkpointer plugin instead.
postgresql.bgwriter.checkpoints_timed
postgresql.bgwriter.checkpoints_requested
postgresql.bgwriter.checkpoint_write_time_milliseconds
postgresql.bgwriter.checkpoint_sync_time_milliseconds
postgresql.bgwriter.buffers_checkpoint
postgresql.bgwriter.buffers_backend
postgresql.bgwriter.buffers_backend_fsync
Metrics based on the
pg_stat_checkpointer
view, available from Postgres Pro and
PostgreSQL 17:
postgresql.checkpointer.num_timed
postgresql.checkpointer.num_requested
postgresql.checkpointer.restartpoints_timed
postgresql.checkpointer.restartpoints_req
postgresql.checkpointer.restartpoints_done
postgresql.checkpointer.write_time_milliseconds
postgresql.checkpointer.sync_time_milliseconds
postgresql.checkpointer.buffers_written
postgresql.checkpointer.stats_reset_unixtime
Metrics based on the
pg_stat_checkpointer
view, available from Postgres Pro and
PostgreSQL 18:
postgresql.checkpointer.num_done
postgresql.checkpointer.slru_written