Murali Vallath <[EMAIL PROTECTED]> wrote: I have recently noticed in this one situation that there is a great difference between a tnsping vs a regular ping to the same server. for example this tnsping took about 270 ms which is strange and its consistent
Used TNSNAMES adapter to resolve the alias Attempting to contact (DESCRIPTION = (ADD RESS_LIST = (load_balance = on) (failover = on) (ADDRESS = (PROTOCOL = TCP)(HOST = myhost1.com)(PORT = 1521)) (ADDRESS = (PROTOCOL = TCP)(HOST = myhost2.com)( PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = xyzdb) (FAILOVER_MODE = (TYPE = SELECT) (METHOD = BASIC) (RETRIES = 20) (DELAY = 15)))) OK (270 msec) and a ping to the same host Ping statistics for x.x.x.x: Packets: Sent = 4, Received = 4, Lost = 0 (0% loss), Approximate round trip times in milli-seconds: Minimum = 61ms, Maximum = 70ms, Average = 67ms Why could there be such a difference? =================================================== more layers in the OSI stack, longer code path. try passing the argument (# of attempts) to tnsping to see if its consistently high, e.g.: D:\Oracle\Ora92\bin>tnsping mydb 5 TNS Ping Utility for 32-bit Windows: Version 9.2.0.4.0 - Production on 22-DEC-20 03 23:03:38 Copyright (c) 1997 Oracle Corporation. All rights reserved. Used parameter files: D:\Oracle\Ora92\network\admin\sqlnet.ora Used TNSNAMES adapter to resolve the alias Attempting to contact (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP) (HOST = badmofo)(PORT = 1551))) (CONNECT_DATA = (SERVICE_NAME = mydb.mydomain.com))) OK (110 msec) OK (30 msec) OK (10 msec) OK (20 msec) OK (10 msec) Pd __________________________________ Do you Yahoo!? New Yahoo! Photos - easier uploading and sharing. http://photos.yahoo.com/ -- Please see the official ORACLE-L FAQ: http://www.orafaq.net -- Author: Paul Drake INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB ORACLE-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
