On 2/27/17 23:27, Petr Jelinek wrote:
>>> WARNING: restart LSN of replication slots is ignored by checkpoint
>>> DETAIL: Some replication slots lose required WAL segnents to continue.
> However this is dangerous as logical replication slot does not consider
> it error when too old LSN is requested so we'd continue replication,
> hiding data loss.
In general, we would need a much more evident and strict way to discover
when this condition is hit. Like a "full" column in
pg_stat_replication_slot, and refusing connections to the slot until it
Peter Eisentraut http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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