Optimize vector get last written LSN (#10360)

## Problem See #10281 pg17 performs extra lock/unlock operation when fetching LwLSN. ## Summary of changes Perform all lookups under one lock, moving initialization of not found keys to separate loop. Related Postgres PR: neondatabase/postgres#553 --------- Co-authored-by: Konstantin Knizhnik <[email protected]>
neondatabase · Jan 14, 2025 · a039f83 · a039f83 · github-actions · Jan 14, 2025
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diff --git a/vendor/postgres-v17 b/vendor/postgres-v17
diff --git a/vendor/revisions.json b/vendor/revisions.json
@@ -1,7 +1,7 @@
 {
   "v17": [
     "17.2",
-    "9c9e9a78a93aebec2f6a2f54644442d35ffa245c"
+    "0f8da73ed08d4fc4ee58cccea008c75bfb20baa8"
   ],
   "v16": [
     "16.6",