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From Sergey Burladyan
Subject pg_upgrade and epoch
Date
Msg-id CAJ2ymdgTEQ8AETJnQUeEuGjk-OGPWQn_MXgEY5urJpXbJNcohg@mail.gmail.com
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Responses Re: pg_upgrade and epoch  (Sergey Konoplev <gray.ru@gmail.com>)
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Hi All!

Current pg_upgrade copy XID into new cluster, but not it epoch. Why?

Without epoch from old cluster txid_current() in upgraded database return
lower value than before upgrade. This break, for example, PgQ and it must
be fixed by hand after upgrade with pg_resetxlog.


--
Sergey Burladyan

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