add more log,execute sql and rawSendTcpMsg use goroutine, show serf log

liuxiaolong

2020-09-15 b4df2b1324b17e817bf0ab6f3f80471acc64610f

 db_test.go

@@ -1,4 +1,4 @@
package db
package syncdb

import (
   "encoding/json"