fix(monitoring): improve accuracy of replica lag #2744
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Fix the `pg_replication` metric to use the `pg_last_wal_receive_lsn()` and `pg_last_wal_replay_lsn()` functions to better estimate the lag of a replica, and avoid the increase of the lag on inactive systems. Closes #1814 Signed-off-by: Gabriele Bartolini <gabriele.bartolini@enterprisedb.com>
Signed-off-by: Gabriele Bartolini <gabriele.bartolini@enterprisedb.com>
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Fix the `pg_replication` metric to use the `pg_last_wal_receive_lsn()` and `pg_last_wal_replay_lsn()` functions to better estimate the lag of a replica, and avoid the increase of the lag on inactive systems. Closes #1814 Signed-off-by: Gabriele Bartolini <gabriele.bartolini@enterprisedb.com> (cherry picked from commit 081f7e3)
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Fix the `pg_replication` metric to use the `pg_last_wal_receive_lsn()` and `pg_last_wal_replay_lsn()` functions to better estimate the lag of a replica, and avoid the increase of the lag on inactive systems. Closes #1814 Signed-off-by: Gabriele Bartolini <gabriele.bartolini@enterprisedb.com>
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Fix the
pg_replicationmetric to use thepg_last_wal_receive_lsn()andpg_last_wal_replay_lsn()functions to better estimate the lag of a replica, and avoid the increase of the lag on inactive systems.Closes #1814