From b51e8d4a44933c1c2eeb2071588a3fb706b7ca86 Mon Sep 17 00:00:00 2001
From: selsta <selsta@sent.at>
Date: Thu, 30 Jul 2026 17:29:45 +0200
Subject: [PATCH] lmdb: refine batch size estimation

---
 src/blockchain_db/lmdb/db_lmdb.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/blockchain_db/lmdb/db_lmdb.cpp b/src/blockchain_db/lmdb/db_lmdb.cpp
index 291ac717d..e59bb62b4 100644
--- a/src/blockchain_db/lmdb/db_lmdb.cpp
+++ b/src/blockchain_db/lmdb/db_lmdb.cpp
@@ -737,7 +737,7 @@ estim:
   MDEBUG("estimated average block size for batch: " << avg_block_size);
 
   // bigger safety margin on smaller block sizes
-  if (batch_fudge_factor < 5000.0)
+  if (!batch_bytes && batch_fudge_factor < 5000.0)
     batch_fudge_factor = 5000.0;
   threshold_size = avg_block_size * db_expand_factor * batch_fudge_factor;
   return threshold_size;