Horton

fsync pg_logical/mappings in CheckPointLogicalRewriteHeap().

Andres Freund <andres@anarazel.de>

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Commit: 1fabec7d7c389181424fa7881632a415584ca7b7
Author: Andres Freund <andres@anarazel.de>
Date: 2022-01-21T19:22:55Z
Releases: 15.0 
fsync pg_logical/mappings in CheckPointLogicalRewriteHeap().

While individual logical rewrite files were synced to disk, the directory was
not. On some filesystems that could lead to loosing directory entries after a
crash.

Reported-By: Tom Lane <tgl@sss.pgh.pa.us>
Author: Nathan Bossart <bossartn@amazon.com>
Discussion: https://postgr.es/m/867F2E29-2782-4869-970E-B984C6D35A8F@amazon.com
Backpatch: 10-

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PathChange+/−
src/backend/access/heap/rewriteheap.c modified +3 −0

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