From 1e9e41a8878880a2ba2ca319f00565e8f69a612e Mon Sep 17 00:00:00 2001
From: Davies Liu <davies@juicedata.io>
Date: Mon, 22 Feb 2021 13:34:25 +0800
Subject: [PATCH] ignore empty list when cleanup

---
 pkg/meta/redis.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/pkg/meta/redis.go b/pkg/meta/redis.go
index e0c18a37..4b00ef56 100644
--- a/pkg/meta/redis.go
+++ b/pkg/meta/redis.go
@@ -1791,6 +1791,9 @@ func (r *redisMeta) cleanupSlices() {
 				logger.Errorf("scan slices: %s", err)
 				break
 			}
+			if len(ckeys) == 0 {
+				break
+			}
 			values, err := r.rdb.MGet(ctx, ckeys...).Result()
 			if err != nil {
 				logger.Warnf("mget slices: %s", err)
@@ -1842,6 +1845,9 @@ func (r *redisMeta) cleanupLeakedChunks() {
 			ikeys = append(ikeys, k)
 			rs = append(rs, p.Exists(ctx, r.inodeKey(Ino(ino))))
 		}
+		if len(rs) == 0 {
+			break
+		}
 		_, err = p.Exec(ctx)
 		if err != nil {
 			logger.Errorf("check inodes: %s", err)
-- 
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