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diegosalvi avatar diegosalvi commented on June 11, 2024

I think we should avoid this issue at all... It make no sense to attempt a recovery from a very old position of time when really there is nothing to recover.
We should "advance" log position on metadata to a recent position every time we make a checkpoint. With no new data we should try to advance to next "current" position (just we must be sure to not skip a concurrent incoming update/insert/delete)

from herddb.

eolivelli avatar eolivelli commented on June 11, 2024

I cannot understand this problem, it should not happen by design and we should have test cases.
which is the error on the bookie ? did you drop some bookie without "decommissioning" it ?

we are not deleting the "active ledgers", so the Leader is always able to recover.
If a follower has an old snapshot then it downloads a snapshot from the Leader.

from herddb.

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