From e75010692cd3a463d22ed124eea9941ea0aa915c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=88=98=E7=A5=A5=E8=B6=85?= <iwind.liu@gmail.com>
Date: Tue, 25 Apr 2023 19:10:37 +0800
Subject: [PATCH] =?UTF-8?q?=E5=8A=A0=E5=BF=ABttlcache=20GC=E9=80=9F?=
 =?UTF-8?q?=E5=BA=A6?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 internal/ttlcache/cache.go | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/internal/ttlcache/cache.go b/internal/ttlcache/cache.go
index 3b5b05b..73a3453 100644
--- a/internal/ttlcache/cache.go
+++ b/internal/ttlcache/cache.go
@@ -146,12 +146,20 @@ func (this *Cache) Count() (count int) {
 }
 
 func (this *Cache) GC() {
-	this.pieces[this.gcPieceIndex].GC()
-	var newIndex = this.gcPieceIndex + 1
-	if newIndex >= int(this.countPieces) {
-		newIndex = 0
+	var index = this.gcPieceIndex
+	var maxPiecesPerGC = 4
+	for i := index; i < index+maxPiecesPerGC; i++ {
+		if i >= int(this.countPieces) {
+			break
+		}
+		this.pieces[i].GC()
 	}
-	this.gcPieceIndex = newIndex
+
+	index += maxPiecesPerGC
+	if index >= int(this.countPieces) {
+		index = 0
+	}
+	this.gcPieceIndex = index
 }
 
 func (this *Cache) Clean() {