PG Exporter v0.9.0

VonngAuthor of PG Exporter and Pigsty, working on PostgreSQL infrastructure and monitoring.

Default Collectors

• new metrics collector for timescaledb hypertable
• new metrics collector for citus dist node
• new metrics collector for pg_wait_sampling wait event profile
• pg_slot overhaul: Add 16/17 pg_replication_slot metrics
• allow pg_slot collector run on replica since 16/17
• refactor pg_wait collector to agg from all processes
• restrict pg_clustering, pg_indexing, pg_vacuuming run on primary
• mark all reset_time as GAUGE rather than COUNTER
• fix pg_recovery_prefetch_skip_fpw type from GAUGE to COUNTER
• fix pg_recv.state type from LABEL to GAUGE
• Format collector in compact mode
• new default metric pg_exporter_build_info / pgbouncer_exporter_build_info
• add server_encoding to pg_meta collector

• Added 12 pg_setting metrics: wal_block_size, segment_size, wal_segment_size, wal_level, work_memory_size, shared_memory_size, hugepage_count, hugepage_status, max_wal_size, min_wal_size, max_slot_wal_keep_size, archive_mode.

Exporter Codebase

• normalize collector branch name with min pg ver suffix
• Add license file to binary packages
• Moved the repository from Vonng/pg_exporter to pgsty/pg_exporter.
• refactor server.go to reduce Compatible and PostgresPrecheck complexity
• rename metrics collector with extra number prefix for better sorting
• Updated dependencies.
• execute fatal collectors ahead of all non-fatal collectors, and fail fast