WITH start_snap AS ( SELECT DISTINCT ON (tenant_key, fingerprint) tenant_key, fingerprint, total_time_ms, calls, rows_returned, collected_at FROM observability.db_top_queries WHERE tenant_key IN ('test') AND collected_at <= '2026-04-09 17:56:26+02' ORDER BY tenant_key, fingerprint, collected_at DESC ), fallback_start AS ( SELECT DISTINCT ON (tenant_key, fingerprint) tenant_key, fingerprint, total_time_ms, calls, rows_returned, collected_at FROM observability.db_top_queries WHERE tenant_key IN ('test') AND collected_at BETWEEN '2026-04-09 17:56:26+02' AND '2026-04-09 23:56:26+02' ORDER BY tenant_key, fingerprint, collected_at ASC ), end_snap AS ( SELECT DISTINCT ON (tenant_key, fingerprint) tenant_key, fingerprint, query, total_time_ms, calls, rows_returned, collected_at FROM observability.db_top_queries WHERE tenant_key IN ('test') AND collected_at BETWEEN '2026-04-09 17:56:26+02' AND '2026-04-09 23:56:26+02' ORDER BY tenant_key, fingerprint, collected_at DESC ), deltas AS ( SELECT e.tenant_key, e.fingerprint, e.query, e.collected_at AS last_seen, GREATEST (COALESCE(e.total_time_ms, 0) - COALESCE(s.total_time_ms, fs.total_time_ms, 0), 0) AS total_time_ms, GREATEST (COALESCE(e.calls, 0) - COALESCE(s.calls, fs.calls, 0), 0) AS calls, GREATEST (COALESCE(e.rows_returned, 0) - COALESCE(s.rows_returned, fs.rows_returned, 0), 0) AS rows_returned FROM end_snap e LEFT JOIN start_snap s ON s.tenant_key = e.tenant_key AND s.fingerprint = e.fingerprint LEFT JOIN fallback_start fs ON fs.tenant_key = e.tenant_key AND fs.fingerprint = e.fingerprint AND s.tenant_key IS NULL ) SELECT fingerprint, MAX(query) AS query, MAX(last_seen) AS last_seen, SUM(total_time_ms) AS total_time_ms, SUM(calls) AS calls, SUM(rows_returned) AS rows_returned, CASE WHEN SUM(calls) > 0 THEN SUM(total_time_ms) / SUM(calls) ELSE 0 END AS mean_time_ms, array_agg(DISTINCT tenant_key ORDER BY tenant_key) AS tenant_keys FROM deltas WHERE total_time_ms > 0 OR calls > 0 GROUP BY fingerprint ORDER BY total_time_ms DESC, calls DESC LIMIT '20' OFFSET '0';

Date: 2026-04-09 23:56:33
Duration: 7s393ms
Database: zemm_monitoring
User: labanimal
Log file: /var/log/postgresql/postgresql-2026-04-09_000000.csv

WITH start_snap AS ( SELECT DISTINCT ON (tenant_key, fingerprint) tenant_key, fingerprint, total_time_ms, calls, rows_returned, collected_at FROM observability.db_top_queries WHERE tenant_key IN ('prod') AND collected_at <= '2026-04-09 03:09:38+02' ORDER BY tenant_key, fingerprint, collected_at DESC ), fallback_start AS ( SELECT DISTINCT ON (tenant_key, fingerprint) tenant_key, fingerprint, total_time_ms, calls, rows_returned, collected_at FROM observability.db_top_queries WHERE tenant_key IN ('prod') AND collected_at BETWEEN '2026-04-09 03:09:38+02' AND '2026-04-09 09:09:38+02' ORDER BY tenant_key, fingerprint, collected_at ASC ), end_snap AS ( SELECT DISTINCT ON (tenant_key, fingerprint) tenant_key, fingerprint, query, total_time_ms, calls, rows_returned, collected_at FROM observability.db_top_queries WHERE tenant_key IN ('prod') AND collected_at BETWEEN '2026-04-09 03:09:38+02' AND '2026-04-09 09:09:38+02' ORDER BY tenant_key, fingerprint, collected_at DESC ), deltas AS ( SELECT e.tenant_key, e.fingerprint, e.query, e.collected_at AS last_seen, GREATEST (COALESCE(e.total_time_ms, 0) - COALESCE(s.total_time_ms, fs.total_time_ms, 0), 0) AS total_time_ms, GREATEST (COALESCE(e.calls, 0) - COALESCE(s.calls, fs.calls, 0), 0) AS calls, GREATEST (COALESCE(e.rows_returned, 0) - COALESCE(s.rows_returned, fs.rows_returned, 0), 0) AS rows_returned FROM end_snap e LEFT JOIN start_snap s ON s.tenant_key = e.tenant_key AND s.fingerprint = e.fingerprint LEFT JOIN fallback_start fs ON fs.tenant_key = e.tenant_key AND fs.fingerprint = e.fingerprint AND s.tenant_key IS NULL ) SELECT fingerprint, MAX(query) AS query, MAX(last_seen) AS last_seen, SUM(total_time_ms) AS total_time_ms, SUM(calls) AS calls, SUM(rows_returned) AS rows_returned, CASE WHEN SUM(calls) > 0 THEN SUM(total_time_ms) / SUM(calls) ELSE 0 END AS mean_time_ms, array_agg(DISTINCT tenant_key ORDER BY tenant_key) AS tenant_keys FROM deltas WHERE total_time_ms > 0 OR calls > 0 GROUP BY fingerprint ORDER BY total_time_ms DESC, calls DESC LIMIT '20' OFFSET '0';

Date: 2026-04-09 09:09:43
Duration: 4s368ms
Database: zemm_monitoring
User: labanimal
Log file: /var/log/postgresql/postgresql-2026-04-09_000000.csv

WITH start_snap AS ( SELECT DISTINCT ON (tenant_key, fingerprint) tenant_key, fingerprint, total_time_ms, calls, rows_returned, collected_at FROM observability.db_top_queries WHERE tenant_key IN ('prod') AND collected_at <= '2026-04-09 03:09:39+02' ORDER BY tenant_key, fingerprint, collected_at DESC ), fallback_start AS ( SELECT DISTINCT ON (tenant_key, fingerprint) tenant_key, fingerprint, total_time_ms, calls, rows_returned, collected_at FROM observability.db_top_queries WHERE tenant_key IN ('prod') AND collected_at BETWEEN '2026-04-09 03:09:39+02' AND '2026-04-09 09:09:39+02' ORDER BY tenant_key, fingerprint, collected_at ASC ), end_snap AS ( SELECT DISTINCT ON (tenant_key, fingerprint) tenant_key, fingerprint, query, total_time_ms, calls, rows_returned, collected_at FROM observability.db_top_queries WHERE tenant_key IN ('prod') AND collected_at BETWEEN '2026-04-09 03:09:39+02' AND '2026-04-09 09:09:39+02' ORDER BY tenant_key, fingerprint, collected_at DESC ), deltas AS ( SELECT e.tenant_key, e.fingerprint, e.query, e.collected_at AS last_seen, GREATEST (COALESCE(e.total_time_ms, 0) - COALESCE(s.total_time_ms, fs.total_time_ms, 0), 0) AS total_time_ms, GREATEST (COALESCE(e.calls, 0) - COALESCE(s.calls, fs.calls, 0), 0) AS calls, GREATEST (COALESCE(e.rows_returned, 0) - COALESCE(s.rows_returned, fs.rows_returned, 0), 0) AS rows_returned FROM end_snap e LEFT JOIN start_snap s ON s.tenant_key = e.tenant_key AND s.fingerprint = e.fingerprint LEFT JOIN fallback_start fs ON fs.tenant_key = e.tenant_key AND fs.fingerprint = e.fingerprint AND s.tenant_key IS NULL ) SELECT fingerprint, MAX(query) AS query, MAX(last_seen) AS last_seen, SUM(total_time_ms) AS total_time_ms, SUM(calls) AS calls, SUM(rows_returned) AS rows_returned, CASE WHEN SUM(calls) > 0 THEN SUM(total_time_ms) / SUM(calls) ELSE 0 END AS mean_time_ms, array_agg(DISTINCT tenant_key ORDER BY tenant_key) AS tenant_keys FROM deltas WHERE total_time_ms > 0 OR calls > 0 GROUP BY fingerprint ORDER BY total_time_ms DESC, calls DESC LIMIT '20' OFFSET '0';

Date: 2026-04-09 09:09:43
Duration: 4s192ms
Database: zemm_monitoring
User: labanimal
Log file: /var/log/postgresql/postgresql-2026-04-09_000000.csv

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