From 1c720873298a56083bb8b56ea6c0ee792f3a190a Mon Sep 17 00:00:00 2001
From: Ian Miao <m1104193501@gmail.com>
Date: Tue, 24 Mar 2020 16:18:17 +0800
Subject: [PATCH] Fix evictedQueue memory leak

---
 trace/evictedqueue.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/trace/evictedqueue.go b/trace/evictedqueue.go
index ffc264f23..a1a2d4f06 100644
--- a/trace/evictedqueue.go
+++ b/trace/evictedqueue.go
@@ -31,7 +31,9 @@ func newEvictedQueue(capacity int) *evictedQueue {
 
 func (eq *evictedQueue) add(value interface{}) {
 	if len(eq.queue) == eq.capacity {
-		eq.queue = eq.queue[1:]
+		newQueue := make([]interface{}, eq.capacity-1, eq.capacity)
+		copy(newQueue, eq.queue[1:])
+		eq.queue = newQueue
 		eq.droppedCount++
 	}
 	eq.queue = append(eq.queue, value)