Re: [HACKERS] Logical replication & corrupted pages recovery - Mailing list pgsql-hackers

Hi Konstantin,

> May be it is possible to somehow optimize it, by checking ranges of primary
> key values

It's possible. An optimization you are looking for is called Merkle
tree [1]. Particularly it's used in Riak [2].

[1] https://en.wikipedia.org/wiki/Merkle_tree
[2] http://docs.basho.com/riak/kv/2.2.3/learn/concepts/active-anti-entropy/

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Best regards,
Aleksander Alekseev