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| author | Andres Freund <andres@anarazel.de> | 2022-01-21 11:22:55 -0800 |
|---|---|---|
| committer | Andres Freund <andres@anarazel.de> | 2022-01-21 11:24:12 -0800 |
| commit | 1c6d055ba77a5b600496a81bbaafaeb064d1cf2d (patch) | |
| tree | 6e9b9cb42c340d179f4c945caba5b65bd4a1cb94 /src/backend/access/heap/rewriteheap.c | |
| parent | 1c0452c48ca4e5fcdc56808a2f475bbf6b546b86 (diff) | |
| download | postgresql-1c6d055ba77a5b600496a81bbaafaeb064d1cf2d.tar.gz postgresql-1c6d055ba77a5b600496a81bbaafaeb064d1cf2d.zip | |
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-
Diffstat (limited to 'src/backend/access/heap/rewriteheap.c')
| -rw-r--r-- | src/backend/access/heap/rewriteheap.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/backend/access/heap/rewriteheap.c b/src/backend/access/heap/rewriteheap.c index 335e29f8fa9..489c72582d3 100644 --- a/src/backend/access/heap/rewriteheap.c +++ b/src/backend/access/heap/rewriteheap.c @@ -1312,4 +1312,7 @@ CheckPointLogicalRewriteHeap(void) } } FreeDir(mappings_dir); + + /* persist directory entries to disk */ + fsync_fname("pg_logical/mappings", true); } |