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Reorganize, expand, improve internal documentation

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Reorganize existing READMEs and other documentation files into mdbook
format. The resulting Table of Contents is a mix of placeholders for
docs that we should write, and documentation files that we already had,
dropped into the most appropriate place.

Update the Pageserver overview diagram. Add sections on thread
management and WAL redo processes.

Add all the RFCs to the mdbook Table of Content too.

Per github issue #1979
This commit is contained in:
Heikki Linnakangas
2022-07-18 13:28:39 +03:00
committed by Heikki Linnakangas
parent a69fdb0e8e
commit 0b14fdb078
17 changed files with 326 additions and 93 deletions
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9
docs/core_changes.md
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@@ -1,3 +1,12 @@
# Postgres core changes
This lists all the changes that have been made to the PostgreSQL
source tree, as a somewhat logical set of patches. The long-term goal
is to eliminate all these changes, by submitting patches to upstream
and refactoring code into extensions, so that you can run unmodified
PostgreSQL against Neon storage.
1. Add t_cid to XLOG record
- Why?
The cmin/cmax on a heap page is a real bummer. I don't see any other way to fix that than bite the bullet and modify the WAL-logging routine to include the cmin/cmax.