On 27 May 2017 01:03, "Aleksander Alekseev" <a.aleks...@postgrespro.ru>

Hi Konstantin,

> May be it is possible to somehow optimize it, by checking ranges of
> 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/

Personally I'd very much value a solid, standalone resynchronization
function implemented in C using a PGconn. Even better if it could report
differences and/or apply local changes.

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