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Skip non-readable AG secondary databases in collectors #345

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Merged
erikdarlingdata merged 1 commit into from
Feb 27, 2026
Merged

Skip non-readable AG secondary databases in collectors #345

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17 changes: 17 additions & 0 deletions Lite/Services/RemoteCollectorService.QueryStore.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,23 @@ WHERE d.database_id > 4
AND d.database_id < 32761
AND d.state_desc = N'ONLINE'
AND d.name <> N'PerformanceMonitor'
AND d.database_id NOT IN
(
SELECT
d2.database_id
FROM sys.databases AS d2
JOIN sys.availability_replicas AS r
ON d2.replica_id = r.replica_id
WHERE NOT EXISTS
(
SELECT
1/0
FROM sys.dm_hadr_availability_group_states AS s
WHERE s.primary_replica = r.replica_server_name
)
AND r.secondary_role_allow_connections_desc = N'READ_ONLY'
AND r.replica_server_name = @@SERVERNAME
)
OPTION(RECOMPILE);

OPEN db_check;
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17 changes: 17 additions & 0 deletions Lite/Services/RemoteCollectorService.ServerConfig.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -336,6 +336,23 @@ FROM sys.databases AS d
AND d.database_id < 32761
AND d.name <> N'PerformanceMonitor'
AND d.state_desc = N'ONLINE'
AND d.database_id NOT IN
(
SELECT
d2.database_id
FROM sys.databases AS d2
JOIN sys.availability_replicas AS r
ON d2.replica_id = r.replica_id
WHERE NOT EXISTS
(
SELECT
1/0
FROM sys.dm_hadr_availability_group_states AS s
WHERE s.primary_replica = r.replica_server_name
)
AND r.secondary_role_allow_connections_desc = N'READ_ONLY'
AND r.replica_server_name = @@SERVERNAME
)
ORDER BY d.name
OPTION(RECOMPILE);";

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17 changes: 17 additions & 0 deletions install/09_collect_query_store.sql
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Expand Up @@ -291,6 +291,23 @@ BEGIN
AND d.is_read_only = 0
AND d.name <> N'PerformanceMonitor'
AND d.database_id < 32761 /*exclude contained AG system databases*/
AND d.database_id NOT IN
(
SELECT
d2.database_id
FROM sys.databases AS d2
JOIN sys.availability_replicas AS r
ON d2.replica_id = r.replica_id
WHERE NOT EXISTS
(
SELECT
1/0
FROM sys.dm_hadr_availability_group_states AS s
WHERE s.primary_replica = r.replica_server_name
)
AND r.secondary_role_allow_connections_desc = N'READ_ONLY'
AND r.replica_server_name = @@SERVERNAME
)
OPTION(RECOMPILE);

OPEN @db_check_cursor;
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17 changes: 17 additions & 0 deletions install/39_collect_database_configuration.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -165,6 +165,23 @@ BEGIN
AND d.name != DB_NAME()
AND d.state_desc = N'ONLINE'
AND d.database_id < 32761 /*exclude contained AG system databases*/
AND d.database_id NOT IN
(
SELECT
d2.database_id
FROM sys.databases AS d2
JOIN sys.availability_replicas AS r
ON d2.replica_id = r.replica_id
WHERE NOT EXISTS
(
SELECT
1/0
FROM sys.dm_hadr_availability_group_states AS s
WHERE s.primary_replica = r.replica_server_name
)
AND r.secondary_role_allow_connections_desc = N'READ_ONLY'
AND r.replica_server_name = @@SERVERNAME
)
ORDER BY
d.name
OPTION (RECOMPILE);
Expand Down
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