Have you checked the /var file system? It’s been several years since I’ve been on jBase, but I seem to recall running into issues with it that were causing severe degradation.
From: [email protected] <[email protected]> On Behalf Of Alan Metz Sent: Wednesday, April 19, 2023 10:34 PM To: [email protected] Subject: Re: [EXTERNAL] Re: Jbase Response Delay Dick, Yeah, I checked all files on every account, nothing over/under sized. (I check this every 2-3 months as normal maintenance) Thanks for suggesting, Al On Wed, Apr 19, 2023 at 8:11 AM Dick Thiot <[email protected] <mailto:[email protected]> > wrote: You might also have a file that is accessed by one of the phantom jobs that is poorly sized. Dick On Tue, Apr 18, 2023 at 17:50 Alan Metz <[email protected] <mailto:[email protected]> > wrote: 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] <mailto:[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 <https://www.ibm.com/docs/en/aix/7.2?topic=overflows-resolving-in-var-file-system> Resolving overflows in the /var file system Check the following when the /var file system has become full. www.ibm.com <http://www.ibm.com> _____ From: [email protected] <mailto:[email protected]> <[email protected] <mailto:[email protected]> > on behalf of Alan Metz <[email protected] <mailto:[email protected]> > Sent: Tuesday, April 18, 2023 2:58 PM To: [email protected] <mailto:[email protected]> <[email protected] <mailto:[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] <mailto:[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] <mailto:[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] <mailto:[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] <mailto:[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. This system has been rock solid since 2018. Thanks, Al -- -- IMPORTANT: T24/Globus posts are no longer accepted on this forum. 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