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Re: BUG #16497: old and new pg_controldata WAL segment sizes areinvalid or do not match - Mailing list pgsql-bugs

From Bruce Momjian
Subject Re: BUG #16497: old and new pg_controldata WAL segment sizes areinvalid or do not match
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Msg-id 20200619113723.GA19125@momjian.us
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In response to Re: BUG #16497: old and new pg_controldata WAL segment sizes areinvalid or do not match  (Bruce Momjian <bruce@momjian.us>)
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On Fri, Jun 19, 2020 at 05:20:21AM +0000, Ram Pratap Maurya wrote:
> Dear All,
> 
> any impact of server. If we Can reset manually postgres old version (11) WAL segment size . 

You can change the wal segment size _after_ running pg_upgrade, but for
the upgrade, they have to match.  Use an initdb flag so they do.

-- 
  Bruce Momjian  <bruce@momjian.us>        https://momjian.us
  EnterpriseDB                             https://enterprisedb.com

  The usefulness of a cup is in its emptiness, Bruce Lee

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