SET tsdb-enabled=1;
LOAD TSDB VARIABLES TO RUNTIME;
SAVE TSDB VARIABLES TO DISK;

SET tsdb-monitor_enabled=1;
LOAD TSDB VARIABLES TO RUNTIME;
SAVE TSDB VARIABLES TO DISK;

SHOW TSDB STATUS;

SELECT name
FROM stats_history.sqlite_master
WHERE type='table' AND name LIKE 'tsdb_%';

SELECT datetime(timestamp,'unixepoch') AS ts, metric_name, labels, value
FROM stats_history.tsdb_metrics
WHERE timestamp > unixepoch() - 300
ORDER BY timestamp DESC
LIMIT 50;

SELECT datetime(bucket,'unixepoch') AS hour, metric_name, avg_value, max_value, min_value, count
FROM stats_history.tsdb_metrics_hour
WHERE bucket > unixepoch() - 86400
ORDER BY bucket;

SELECT datetime(timestamp,'unixepoch') AS ts, hostgroup, hostname, port, probe_up, connect_ms
FROM stats_history.tsdb_backend_health
WHERE timestamp > unixepoch() - 3600
ORDER BY timestamp DESC;