From e626cee8f7de0dd3ffca4c7297e59a87f790cc02 Mon Sep 17 00:00:00 2001
From: sangtran <tranquangsang12.7@gmail.com>
Date: Sat, 5 Sep 2026 17:06:30 +0700
Subject: feat: add on pebble state backend and using sync Pool to reuse buffer
 []byte

---
 core/pool.go | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 core/pool.go

(limited to 'core/pool.go')

diff --git a/core/pool.go b/core/pool.go
new file mode 100644
index 0000000..484b342
--- /dev/null
+++ b/core/pool.go
@@ -0,0 +1,38 @@
+package core
+
+import "sync"
+
+
+const (
+	DefaultBufferSize = 1024
+	MaxBufferSize = 64 * 1024
+)
+
+var bytesPool = sync.Pool{
+	New: func () any {
+		b := make([]byte, DefaultBufferSize)
+		return &b
+	},
+}
+
+func GetBuffer(size int) []byte {
+	bufPtr := bytesPool.Get().(*[]byte)
+
+	buf := *bufPtr
+
+
+	if size > cap(buf) {
+		buf = make([]byte, size)
+	}
+
+	return buf[:size]
+}
+
+
+func PutBuffer(buf []byte) {
+	if cap(buf) < MaxBufferSize{
+		// reset
+		buf = buf[:0]
+		bytesPool.Put(&buf)
+	}
+}
-- 
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