Add query for 'pg_replication_slots' #2
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The existing 'pg_stat_replication' data does not include stats for inactive replication slots. This commit adds a minimal amount of metrics from 'pg_replication_slots' to know if a slot is active and its lag. This is helpful to detect if an inactive slot is causing the server to run out of storage due to an inactive slot blocking WAL flushing.
victor-nexttrucking
approved these changes
Dec 21, 2020
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The existing 'pg_stat_replication' data does not
include stats for inactive replication slots. This
commit adds a minimal amount of metrics from
'pg_replication_slots' to know if a slot is
active and its lag.
This is helpful to detect if an inactive slot
is causing the server to run out of storage due
to an inactive slot blocking WAL flushing.