From a36226197241194823ca4ccad03a9d62ae11c82a Mon Sep 17 00:00:00 2001
From: Chris Lu <chris.lu@gmail.com>
Date: Wed, 26 Sep 2018 18:45:51 -0700
Subject: [PATCH] avoid possible racing issue if leveldb or boltdb is used.

remove the to-be-generated files during commit

fix https://github.com/chrislusf/seaweedfs/issues/738
---
 weed/storage/volume_vacuum.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/weed/storage/volume_vacuum.go b/weed/storage/volume_vacuum.go
index ba3ab6735..d8a58e35c 100644
--- a/weed/storage/volume_vacuum.go
+++ b/weed/storage/volume_vacuum.go
@@ -69,6 +69,10 @@ func (v *Volume) commitCompact() error {
 
 	//glog.V(3).Infof("Pretending to be vacuuming...")
 	//time.Sleep(20 * time.Second)
+
+	os.RemoveAll(v.FileName() + ".ldb")
+	os.RemoveAll(v.FileName() + ".bdb")
+
 	glog.V(3).Infof("Loading Commit file...")
 	if e = v.load(true, false, v.needleMapKind, 0); e != nil {
 		return e