When I query in UI, it returns an error
No connection exist
2017/12/23 20:57:19 oracle.go:375: No healthy connection found to leader of group 52
2017/12/23 20:57:19 pool.go:167: Echo error from localhost:7101. Err: rpc error: code = Unavailable desc = all SubConns are in TransientFailure
It reports that it lost connection to the dgraph server with port 7101, but that dgraph server does not report any error.
last line of dgraph server (port 7101)
2017/12/23 20:20:54 lru.go:79: LRU cache max size is being set to 50 MB