From 15a7a7ef207610d26a312f23b8806498f44e5e71 Mon Sep 17 00:00:00 2001
From: Riadh <22998716+KiKoS0@users.noreply.github.com>
Date: Mon, 4 May 2026 16:50:51 +0100
Subject: [PATCH] set lower block cache size & disable bloom filters when in
 memory

---
 expr.go | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/expr.go b/expr.go
index 0abd19e..d92ab13 100644
--- a/expr.go
+++ b/expr.go
@@ -170,7 +170,11 @@ func NewAggregateEvaluator[T Evaluable](
 
 				return reflect.ValueOf(val).Elem().Interface().(T), err
 			},
-			FS: vfs.NewMem(),
+			// No FS specified: use in-memory storage with reduced settings since
+			// a block cache and bloom filters are pointless without disk reads.
+			FS:                 vfs.NewMem(),
+			BlockCacheSize:     8 << 20,
+			DisableBloomFilter: true,
 		}
 		// Attempt to unmarshal an empty byte slice, ensuring that we have
 		// a concrete type instead of an interface.