Yes, I am familiar with wtmp, thanks for the suggestion! I periodically clear it, now would be a good time to re-visit!! (I also clear /etc/security/failedlogin as it can grow quite large as well) Thanks John
On Tue, Apr 18, 2023 at 5:33 PM John Ocampo < [email protected]> wrote: > I was on an older version of AIX, and i seem to remember a file called > wtmp that would grow so large it slowed down the login process. > > Not sure if this can help but i figured you should look at that file and > see how large it is. > > > https://www.ibm.com/docs/en/aix/7.2?topic=overflows-resolving-in-var-file-system > Resolving overflows in the /var file system > <https://www.ibm.com/docs/en/aix/7.2?topic=overflows-resolving-in-var-file-system> > Check the following when the /var file system has become full. > www.ibm.com > > ------------------------------ > *From:* [email protected] <[email protected]> on behalf of Alan > Metz <[email protected]> > *Sent:* Tuesday, April 18, 2023 2:58 PM > *To:* [email protected] <[email protected]> > *Subject:* [EXTERNAL] Re: Jbase Response Delay > > CAUTION: This email originated from outside of the organization. Do not > click links or open attachments unless you recognize the sender and know > the content is safe. > > Well... > I did some more testing. > btw AIX 6.1, no changes to AIX, and yes, using telnet > > I assume that you have ruled out network configuration changes? (We did > increase bandwidth across the entire network recently) > > > I removed the SD-WAN network from the equation over the weekend. > I attached my laptop to a switch and the server ONLY to the same switch - > I did notice the delay. > > Tried same setup with a different switch - noticed delay > Tried different Ethernet cable from server to switch - noticed delay > (I wrote a program to track the frequency by Executing a LISTPEQS and > recording the time it took to render the results, if greater then 1 second > I tracked the time - most > iterations are less than 1 second. What I found out was that it appears a > ~40 second delay occurs approximately 5 to 6 minutes apart. (there were a > few 2 to 3 second pauses > between that I excluded)) > Event Date Start Time End Time Delay Seconds > 04/18/2023 11:42:10AM 11:42:53AM 43 > 04/18/2023 11:47:56AM 11:48:39AM 43 > 04/18/2023 11:53:33AM 11:54:16AM 43 > 04/18/2023 11:59:28AM 12:00:12PM 44 > 04/18/2023 12:05:13PM 12:05:54PM 41 > 04/18/2023 12:11:03PM 12:11:39PM 36 > 04/18/2023 12:16:53PM 12:17:34PM 41 > 04/18/2023 12:22:34PM 12:23:17PM 43 > 04/18/2023 12:28:34PM 12:29:16PM 42 > 04/18/2023 12:34:05PM 12:34:48PM 43 > 04/18/2023 12:39:50PM 12:40:34PM 44 > 04/18/2023 12:45:43PM 12:46:26PM 43 > 04/18/2023 12:51:26PM 12:52:09PM 43 > 04/18/2023 12:57:05PM 12:57:49PM 44 > 04/18/2023 01:02:33PM 01:03:16PM 43 > 04/18/2023 01:08:26PM 01:09:09PM 43 > 04/18/2023 01:14:22PM 01:15:05PM 43 > 04/18/2023 01:19:58PM 01:20:42PM 44 > 04/18/2023 01:25:42PM 01:26:27PM 45 > 04/18/2023 01:31:41PM 01:32:25PM 44 > > My question is can I somehow determine if a background process is causing > the hangs? I do have Phantoms jobs in Jbase running; however, The code has > not changed in years and no new Phantoms > have been added. > > I have added more users on the network over time, but removing the > network as mentioned above was tested. Unfortunately, I didn't write the > tracking program until Monday, after the "removing the network" test. > (I will say that the delays didn't appear to be as frequent with just me > and the server test - I suppose I could test that this weekend...) > > I wish I could provide more information, but I don't know what else to > test?? > Thanks, > Al > > > On Sat, Apr 15, 2023 at 11:42 AM Kannan Seshadri <[email protected]> > wrote: > > Hi, > Is it possible for you to execute whatever you are executing directly on > the AIX console with a telnet session? This will clearly tell you whether > you have a network issue or not? > > Thanks and Regards > > On Sat, Apr 15, 2023 at 6:42 PM Bruce Decker <[email protected]> wrote: > > Is the delay between the login prompt and the password prompt? As jimi > asked, more details. > > Sent from my iPhone > > On Apr 15, 2023, at 8:45 AM, Jim Idle <[email protected]> wrote: > > > I think more details are needed Alan. > > What version of AIX are you running? > Are you really using telnet and not ssh? Telnet is unlikely to be > maintained. > I assume that you have ruled out network configuration changes? > Any upgrades to AIX lately? > Any change to the network load? New devices? > > In the absence of any changes, then I would definitely be looking at > network problems. When you say you tried with just one user, do you mean > literally one device and the server only on the network? If there is a > faulty system somewhere, or malware, then that would still eat your network > Bandwidth. > > Finally, I presume you have done the obvious and rebooted the server and > all the network gear? You’ll probably have to start from first principles > with no devices on the network and gradually add them in. > > On Fri, Apr 14, 2023 at 21:12 Alan Metz <[email protected]> wrote: > > All, > I have recently been experiencing sporadic response delays when > accessing Jbase, (version 5.6.0.2), from telnet sessions with all users in > my company. At first I thought it was a network issue; however, I have > tested this with only one user and the Jbase server plugged into a switch > and was able to duplicate the hesitation. I am not logging any errors on my > AIX server that would indicate a hardware issue. I am not sure how to > further trouble-shoot this issue and am asking for suggestions. 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