TNSPING time out/slow response, tnspingout

TNSPING time out/slow response, tnspingout

E: \ s01 \ app \ oracle \ product \ 11.2.0 \ dbhome_1 \ BIN> tnsping CENORCLTNS Ping Utility for 64-bit Windows: Version 11.2.0.1.0-Production on 25-MAY-2015 10: 26: 59 Copyright (c) 1997,201 0, Oracle. all rights reserved. used parameter files: e: \ s01 \ app \ oracle \ product \ 11.2.0 \ dbhome_1 \ network \ admin \ sqlnet. oraUsed TNSNAMES adapter to resolve the aliasAttempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP) (HOST = W01SQL0601.pharmatechs.com) (PORT = 1521 ))) (CONNECT_DATA = (SERVICE_NAME = cenorcl) OK (266310 msec)

After checking some information, we found that this problem occurs when listener. log exceeds 4 GB, which is easy to solve.
Lsnnrctl stop
Delete listener. log
Lsnrctl start
Restore to normal.