Søren Eggert Lundsteen Olsen
2284e7f082
A DBA should be able to review every statement SQLInsight sends to a monitored server before granting it access. "SQL Scripts/<rule-id>.sql" holds, per rule (82 built-in, 16 community), a Danish header (what and why, how C# judges the data, thresholds with config keys, severity, exact GRANTs, versions, collector file and member) and the collector's SQL verbatim, every version variant as its own batch. "_collectors/<Collector>.sql" holds each collector's queries once. The only statement that is not strictly read-only is documented in the scripts: the deadlock collector's session temp table (#system_health). Inline SQL in the collectors moved to internal constants and Build*Sql methods (no text changed), so SqlScriptTests can check that the scripts still contain the SQL the code sends, that every rule has a script, that every collector query is registered, and that nothing writes. Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
86 lines
5.3 KiB
Transact-SQL
86 lines
5.3 KiB
Transact-SQL
-- ===================================================================================================================
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-- SQLI-REPL-002: Replikering er forsinket
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-- ===================================================================================================================
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-- Regel-id: SQLI-REPL-002
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-- Titel: Replikering er forsinket
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-- Alvor: Medium
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-- Versioner: SQL Server 2005 og nyere, kun på en distributør (som SQLI-REPL-001).
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--
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-- Hvad tjekkes, og hvorfor:
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-- Om ændringer tager lang tid om at nå abonnenten.
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--
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-- Vurdering (sker i C# ud fra de indsamlede data, ikke i SQL'en, medmindre andet er nævnt):
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-- Fund for agenter, der ikke er fejlet, hvor delivery_latency i seneste historikpost er mindst 5 minutter.
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--
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-- Grænseværdier (konfigurationsnøgle i agentens appsettings.json og standardværdi):
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-- 300.000 ms (ReplicationSnapshot.LatencyThresholdMs, fast i koden).
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--
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-- Rettigheder til agentens login (se db/permissions/grant-least-privilege.sql; [agent] = agentens login):
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-- GRANT VIEW ANY DEFINITION TO [agent]; -- metadata; giver IKKE adgang til data
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-- Kun på en distributør, valgfrit (gives ikke af grant-least-privilege.sql):
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-- USE distribution; CREATE USER [agent] FOR LOGIN [agent];
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-- GRANT SELECT ON dbo.MSdistribution_agents TO [agent]; GRANT SELECT ON dbo.MSdistribution_history TO [agent]; GRANT SELECT ON dbo.MSrepl_errors TO [agent];
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--
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-- Data kommer fra (collector, fil : medlemmer, interval):
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-- ReplicationCollector
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-- Fil: src/SQLInsight.Collectors/Instance/ReplicationCollector.cs
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-- Medlemmer: ReplicationCollector.DistributionDatabaseSql, Db.CurrentDatabaseSql,
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-- ReplicationCollector.AgentsSql, ReplicationCollector.ErrorsSql
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-- Interval: 15 min som standard (SQLInsight:CollectorIntervals:replication)
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-- Delt script: SQL Scripts/_collectors/ReplicationCollector.sql
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-- Regelkode: src/SQLInsight.Rules/Availability/ReplicationRules.cs : ReplicationLatencyRule.Evaluate
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--
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-- Read-only: Ja: kun SELECT samt USE (skifter sessionens database), SET-sessionsindstillinger. Intet ændrer data,
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-- indstillinger eller objekter.
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-- Kørsel: Kør i SSMS som agentens login (eller et login med samme rettigheder). Hver variant er sin egen batch
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-- (GO); en variant for en anden SQL Server-version end din kan fejle - det er forventet.
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-- Per-database-forespørgsler er vist for databasen msdb, som findes overalt: ret navnet til den
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-- database, du vil se.
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-- ===================================================================================================================
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-- -------------------------------------------------------------------------------------------------------------------
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-- Forbindelsen: Sessionsindstillinger, agenten sætter på hver forbindelse
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-- -------------------------------------------------------------------------------------------------------------------
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-- Variant: Alle versioner: sættes på hver forbindelse, agenten åbner
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-- Kilde: SqlConnectionFactory.SessionSettings
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-- Kode: src/SQLInsight.Connectivity/SqlConnectionFactory.cs : SqlConnectionFactory.SessionSettings
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SET LOCK_TIMEOUT 5000; SET DEADLOCK_PRIORITY LOW; SET TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
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GO
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-- -------------------------------------------------------------------------------------------------------------------
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-- ReplicationCollector: På en distributør: hver distributionsagents seneste status, forsinkelse og besked samt
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-- replikeringsfejl det seneste døgn.
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-- -------------------------------------------------------------------------------------------------------------------
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-- Variant: SQL Server 2005 og nyere
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-- Kilde: ReplicationCollector.DistributionDatabaseSql
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-- Kode: src/SQLInsight.Collectors/Instance/ReplicationCollector.cs : ReplicationCollector.DistributionDatabaseSql
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SELECT TOP 1 name FROM sys.databases WHERE is_distributor = 1 AND state = 0
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GO
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-- Variant: Kun på en distributør: husk databasen, der skal skiftes tilbage til
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-- Kilde: ReplicationCollector.CurrentDatabaseSql
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-- Kode: src/SQLInsight.Collectors/Db.cs : Db.CurrentDatabaseSql
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SELECT DB_NAME()
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GO
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-- Variant: Kun på en distributør, i distributionsdatabasen
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-- Kilde: ReplicationCollector.AgentsSql
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-- Kode: src/SQLInsight.Collectors/Instance/ReplicationCollector.cs : ReplicationCollector.AgentsSql
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-- Agenten sender "USE [<distributionsdatabasen>];" foran (navnet fra DistributionDatabaseSql). Ret navnet, hvis det ikke er distribution.
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USE [distribution];
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SELECT TOP 500 a.name, a.publisher_db, h.runstatus, DATEADD(minute, DATEDIFF(minute, GETDATE(), GETUTCDATE()), h.time), h.delivery_latency,
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CAST(h.comments AS nvarchar(500))
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FROM dbo.MSdistribution_agents a
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OUTER APPLY (SELECT TOP 1 x.runstatus, x.time, x.delivery_latency, x.comments FROM dbo.MSdistribution_history x
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WHERE x.agent_id = a.id ORDER BY x.timestamp DESC) h
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GO
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-- Variant: Kun på en distributør, i distributionsdatabasen
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-- Kilde: ReplicationCollector.ErrorsSql
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-- Kode: src/SQLInsight.Collectors/Instance/ReplicationCollector.cs : ReplicationCollector.ErrorsSql
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-- Agenten sender "USE [<distributionsdatabasen>];" foran (navnet fra DistributionDatabaseSql). Ret navnet, hvis det ikke er distribution.
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USE [distribution];
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SELECT COUNT(*) FROM dbo.MSrepl_errors WHERE time > DATEADD(hour, -24, GETDATE())
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GO
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