PER ENGINE
Metrics tailored to each engine
Postgres autovacuum behavior, Mongo oplog lag, Redis keyspace hit rate — the metrics DBAs expect, for every engine.
POSTGRESQL — SAMPLE METRIC SET
pg_stat_replication
lag_bytes, replay_lsn, write_lag
pg_stat_activity
active connections, longest tx
pg_stat_bgwriter
buffers_clean, checkpoint_sync_time
autovacuum
running, last vacuum, dead tuples
pg_locks
blocked queries, lock waits
WAL
wal_records, wal_bytes, archiver