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Revise postgresql.replication_delay to Function with Archive WAL-driv… #15925

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merged 7 commits into from
Sep 28, 2023
Merged

Revise postgresql.replication_delay to Function with Archive WAL-driv… #15925

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c730d93
Revise postgresql.replication_delay to Function with Archive WAL-driv…
boluwaji-deriv Aug 31, 2023
30afcf5
update changelog
lu-zhengda Sep 27, 2023
a530743
update changelog
lu-zhengda Sep 27, 2023
4088088
update changelog
lu-zhengda Sep 27, 2023
56d57a5
remove duplicate changelog entry
lu-zhengda Sep 27, 2023
b6f04b8
update changelog
lu-zhengda Sep 27, 2023
08d244e
Merge branch 'master' into zhengda.lu/postgres-wal
lu-zhengda Sep 28, 2023
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2 changes: 1 addition & 1 deletion postgres/CHANGELOG.md
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@

***Fixed***:

* Revise `postgresql.replication_delay` to function with archive WAL-driven replica ([#15925](https://github.com/DataDog/integrations-core/pull/15925))
* Prevent Postgres integration from collecting WAL metrics from Aurora instances that cannot be collected ([#15896](https://github.com/DataDog/integrations-core/pull/15896))
* Set lower log level for relations metrics truncated ([#15903](https://github.com/DataDog/integrations-core/pull/15903))

Expand Down Expand Up @@ -47,7 +48,6 @@

***Fixed***:

* Revise postgresql.replication_delay to Function with Archive WAL-driven PostgreSQL Replica ([#15629](https://github.com/DataDog/integrations-core/pull/15629))
* Pass timeout when connection pool closes ([#15724](https://github.com/DataDog/integrations-core/pull/15724))

## 14.2.1 / 2023-08-29
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7 changes: 4 additions & 3 deletions postgres/datadog_checks/postgres/util.py
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Expand Up @@ -212,9 +212,10 @@ def payload_pg_version(version):
}

q1 = (
'CASE WHEN pg_last_wal_receive_lsn() IS NULL OR '
'pg_last_wal_receive_lsn() = pg_last_wal_replay_lsn() THEN 0 ELSE GREATEST '
'(0, EXTRACT (EPOCH FROM now() - pg_last_xact_replay_timestamp())) END'
'CASE WHEN exists(SELECT * FROM pg_stat_wal_receiver) '
'AND (pg_last_wal_receive_lsn() IS NULL '
'OR pg_last_wal_receive_lsn() = pg_last_wal_replay_lsn()) THEN 0 '
'ELSE GREATEST(0, EXTRACT (EPOCH FROM now() - pg_last_xact_replay_timestamp())) END'
)
q2 = 'abs(pg_wal_lsn_diff(pg_last_wal_receive_lsn(), pg_last_wal_replay_lsn()))'
REPLICATION_METRICS_10 = {
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