From f7badd73bb970839cf2817e8f6dadf26e8adf4b6 Mon Sep 17 00:00:00 2001
From: osdba <tangcheng@csudata.com>
Date: Wed, 15 Nov 2023 18:39:07 +0800
Subject: [PATCH] Increase pg_prewarm loading speed

---
 contrib/pg_prewarm/pg_prewarm.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/contrib/pg_prewarm/pg_prewarm.c b/contrib/pg_prewarm/pg_prewarm.c
index 1f4bfb8c0d4..3a1979f35a4 100644
--- a/contrib/pg_prewarm/pg_prewarm.c
+++ b/contrib/pg_prewarm/pg_prewarm.c
@@ -192,7 +192,10 @@ pg_prewarm(PG_FUNCTION_ARGS)
 			Buffer		buf;
 
 			CHECK_FOR_INTERRUPTS();
-			buf = ReadBufferExtended(rel, forkNumber, block, RBM_NORMAL, NULL);
+			//buf = ReadBufferExtended(rel, forkNumber, block, RBM_NORMAL, NULL);
+			buf = polar_bulk_read_buffer_extended(rel, MAIN_FORKNUM, block,
+														RBM_NORMAL, NULL,
+														64);
 			ReleaseBuffer(buf);
 			++blocks_done;
 		}