| From: | Michael Paquier <michael(at)paquier(dot)xyz> |
|---|---|
| To: | Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk> |
| Cc: | Postgres hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Adding a TAP test checking data consistency on standby with minRecoveryPoint |
| Date: | 2018-11-09 01:27:29 |
| Message-ID: | 20181109012729.GD2652@paquier.xyz |
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| Lists: | pgsql-hackers |
On Thu, Nov 08, 2018 at 04:00:26PM +0900, Michael Paquier wrote:
> Yes, I don't disagree with you and I thought about it. Fetching the
> value from the control file is easy, doing the comparison between two
> LSNs is also simple by doing it directly with pg_lsn in the database
> (and I don't want to add math logics about LSNs as a TAP API). Now I am
> less sure about how portable it is possible to make the read of 8 bytes
> on the page header for the last page of a relation portable across many
> architectures in perl.
Has a perl monk a specific idea here? It seems to me that the amount of
specific facility which would be needed overweights the current
simplicity of the test.
--
Michael
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