From: | Maxim Orlov <orlovmg(at)gmail(dot)com> |
---|---|
To: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | [PATCH] Add initial xid/mxid/mxoff to initdb |
Date: | 2022-05-05 15:47:04 |
Message-ID: | CACG=ezaa4vqYjJ16yoxgrpa-=gXnf0Vv3Ey9bjGrRRFN2YyWFQ@mail.gmail.com |
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Lists: | pgsql-hackers |
Hi!
During work on 64-bit XID patch [1] we found handy to have initdb options
to set initial xid/mxid/mxoff values to arbitrary non default values. It
helps test different scenarios: related to wraparound, pg_upgrade from
32-bit XID to 64-bit XID, etc.
We realize, this patch can be singled out as an independent patch from the
whole patchset in [1] and be useful irrespective of 64-bit XID in cases of
testing of wraparound and so on.
In particular, we employed this patch to test recent changes in logical
replication of subxacts [2] and found no problems in it near the point of
publisher wraparound.
Please share your opinions and reviews are always welcome.
[1]
https://www.postgresql.org/message-id/flat/CACG%3DezZe1NQSCnfHOr78AtAZxJZeCvxrts0ygrxYwe%3DpyyjVWA%40mail.gmail.com
[2]
https://postgr.es/m/d045f3c2-6cfb-06d3-5540-e63c320df8bc@enterprisedb.com
--
Best regards,
Maxim Orlov.
Attachment | Content-Type | Size |
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v1-0001-Add-initdb-option-to-initialize-cluster-with-non-.patch | text/x-patch | 24.4 KB |
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