From a8114da02dddd65b0371e7a9e6a5125d085c55d4 Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Wed, 21 Apr 2021 10:17:12 -0700
Subject: [PATCH] avoid thundering herd effect

transient errors may cause thundering herd effect to all trying to recover from remove ec shards
---
 weed/storage/store_ec.go | 1 -
 1 file changed, 1 deletion(-)

diff --git a/weed/storage/store_ec.go b/weed/storage/store_ec.go
index f4587ba01..9702fdd50 100644
--- a/weed/storage/store_ec.go
+++ b/weed/storage/store_ec.go
@@ -200,7 +200,6 @@ func (s *Store) readOneEcShardInterval(needleId types.NeedleId, ecVolume *erasur
 				return
 			}
 			glog.V(0).Infof("clearing ec shard %d.%d locations: %v", ecVolume.VolumeId, shardId, err)
-			forgetShardId(ecVolume, shardId)
 		}
 
 		// try reading by recovering from other shards