Re: BUG #17103: WAL segments are not removed after exceeding max_slot_wal_keep_size

On 2021-Jul-15, Kyotaro Horiguchi wrote:

> > Thanks! I saw the issue here.  Some investigation showd me a doubious
> > motion of XLogCtl->repliationSlotMinLSN.  Slot invalidation is
> > forgetting to recalculate it and that misbehavior retreats the segment
> > horizon.

Actually, looking again, isn't this supposed to happen in KeepLogSeg()?
We have a block that caps to max_slot_wal_keep_size_mb there ... why did
that not work?

-- 
Álvaro Herrera         PostgreSQL Developer  —  https://www.EnterpriseDB.com/
"Sallah, I said NO camels! That's FIVE camels; can't you count?"
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