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Join Date: Apr 2002
Posts: 30,507
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Yep, what Scott said...be ready to "stop" the continuous ping by issuing a "ctrl C" command as soon as your med records hang (or it will soon fill up the buffer and disappear). Odds are the pings will continue to be responded to, but what you're going to focus on is the "Time" column...you may see the typical response times spike. There's also a possibility that "pings" and "traceroute" are are blocked from getting through to the med server via a firewall etc. as they are a different protocol ICMP (and pass through the network a bit differently also) than your normal traffic. This may very well take a person "on the inside" the allow for this type of diagnostics to pass through. Let us know...and post the results here or via PM.
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Join Date: Apr 2002
Posts: 30,507
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One other thing...if you are accessing the server via a "name", try using the native IP address instead. I've seen some extremely poor designs before where a client/server might do a DNS name lookup up to 50 times (the same name) just to access a single web page. Those type of DNS slowdowns have caused more "network issues" than I care to remember
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Control Group
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I must confess most of this is a bit over my head. I think it is VPN, but will check with the tech support people. They have not made any of the suggestions I have seen in this thread. Thanks for shining the light of your intellects on this for me, seriously.
So my dog is not the only one that can tell time. For some reason that is a bit reassuring, makes my dog a little less of a freak. She is the only dog I ever had a vet try to buy from me, so there is a bit of a baseline freakiness there.
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Join Date: Apr 2002
Posts: 30,507
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Hey Toby, a "decent" tech support person (on the inside) would approach this totally different. Get tech support on the line and ask for a "network specialist". A packet trace (on the LAN the server is on) would likely get to the crux of this matter in short order. Packets don't typically get "lost" in normal flow of traffic....somewhere a timeout value is set to low. Could be a configuration of the TCP stack or on the med records server itself. Just my .02 worth....send 'em this post
![]() Good luck, and we're not giving up on ya....this isn't rocket science. You took a car in that was "pulling to the right", and they've rebuilt your engine more than once. If tech support doesn't help you, WE WILL ![]() ps: Do other colleagues experience similar "interruptions"? |
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Too big to fail
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Didja see where that other guy recommended using Wireshark?
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"You go to the track with the Porsche you have, not the Porsche you wish you had." '03 E46 M3 '57 356A Various VWs |
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Join Date: Apr 2002
Posts: 30,507
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Why yes I did
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Registered
Join Date: Dec 1969
Location: chula vista ca usa
Posts: 5,700
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The tech support folks should be able to do the following while you are connected.
First, use Wireshark or some visual method to trace the route from the app server to your home. Record all the hops and their times. Second, check the load on the app server and how the connections are managed with things such as memory allocated, CPU time, etc to see how things are balanced. If you are coming in by a VPN connection then it is possible the VPN server was some "old junk" computer that has been recycled and can not handle the load. If the connection is HTTPS then they need to check how the server is processing the connection and if there are internal delays. Third, since you do not know what the documents are, have them check to see if they are internal to a database saved as a BLOB or some other data type. If this is the case, then the tables with the docs should be on their own drives. If the docs are external to the database, it is possible that the drive is so slow the docs cannot be retrieved in a timely manner and the server times out. You can check the documents to see what they are by looking at the address window when you have one open. The last item in the long line of stuff will be something like "......../form101.php" or "......./form101.pdf" or "......./form101.doc" or similar. The stuff before the name will tell you if the documents are external then there will be some directory names with "/" between them. |
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Join Date: Apr 2002
Posts: 30,507
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Join Date: Apr 2002
Posts: 30,507
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Hey Toby, haven't forgot about ya! I also have another question...I've been "ASSuming" that the med records server was at your home office and it occurred to me that everyone on this thread (particularly me) doesn't really have a clue and is just grasping at straws. But...I'm gonna grasp at one more. An issue with your home router. If I could ask 20 questions (albeit some very technical), and get accurate feedback, I could probably get a bit further along...but in "you world", all I have is a patient who's "foot hurts" (and I don't even know which foot)
![]() ps: To any one who cares, the concept of losing a "connection" is just a bit generic. IP just doesn't work the way many might think...it's just not like a phone call (connection). If you want to get a glimpse "behind the scenes", open a CMD window as discussed earlier with absolutely nothing else running, and then do a "netstat -a" command. Then open a single browser window and connect to Pelican. Now do another "netstat -a" and you'll see dozens of "established connections" (one for every "object" on a web page) that will only "live" for a minute or so. I wish I had access to what you are doing and could really see what's going on...I like helping people too ![]() |
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Control Group
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Just got off the phone with the tech support people, again. He advised me to contact my internet provider and request a static IP address. I guess the idea is it rolls over to a new address automatically, and when it does, I get kicked to the curb. This actually makes sense, even to me. The office connection was set up specifically to work with this software, hence would be set up like that.
I put in a request for this, but don't think anyone will be looking at it until Tuesday. I have been getting an estimated wait time of one minute, which is to be updated every three minutes. I am #1 in the queue, for about 15 minutes. Maybe I will go into PARFylvania and hassle George or Dipso.
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She was the kindest person I ever met |
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Burn the fire.
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Sounds like they are filtering by IP. That is why I suggested VPN into your office network.
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Registered
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While you are waiting, you can test the theory. Note the IP, use the program and when it craps out, loot at the IP again and see if it has changed.
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Make sure to check out my balls in the Pelican Parts Catalog! 917 inspired shift knobs. '84 Targa - Arena Red - AX #104 '07 Toyota Camry Hybrid - Yes, I'm that guy... '01 Toyota Corolla - Urban Camouflage - SOLD |
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Join Date: Apr 2002
Posts: 30,507
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![]() ![]() ps: Oh yeah...one more suggestion....stay out of PARF ![]() Last edited by KFC911; 09-01-2013 at 10:20 PM.. |
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Control Group
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Okay, guess I will go look at some of Enzo's pics of hot chicks
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She was the kindest person I ever met |
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Control Group
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You were right, switching to a static IP address did nothing at all
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JOT MON ABBR OTH
Join Date: Feb 2001
Location: USA
Posts: 3,238
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Do not know if this will help or not, it is more of a shot in the dark:
Wife's old medical programmes will not run correctly on AMD chipsets. Had some tech support and the salesstaff suggest the same thing when we bought the software. The programmes run very well on an Intel chipset with a math dual processor. Just as a disclaimer, these are much older generation programmes now, they were originally written using computers with Intel chipsets.
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Control Group
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I use the same laptop at home and at the office. Same ISP at home and the office, just a faster hookup at the house. Intel chip, Core i5CPU, 2.7GHz, whatever that means.
VPN, like you guys were thinking, GD POS makes me want to pull my hair out.
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Join Date: Apr 2002
Posts: 30,507
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OK, VPN using the same ISP...that eliminates some variables between your office and home. Back to my earlier SWAG, do you use the same type of router/WAP at home as you do at the office? If so, would it be possible to bring your office router home and give that a try (eliminating a potential issue with your home router)? Another WAG would be the speed of your connection from home. How fast is it compared to your office? Basic networking/queuing theory 101....flow control of data as it passes from device to device between the two endpoints while traversing the network path(s). Can you contact your ISP and have them reduce your speed to match the office connection? I know that may sound "crazy", but something is fundamentally screwed up for this to be occurring so chronically from your house while others (Amber) work just fine. This is just another "guess" but would eliminate another variable between your two locations. Hang in there...you're not Kojak (yet)
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Control Group
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Who loves ya baby!
The connection at the house is significantly faster than the one at the office. Not the same sort of router though. Dell wireless router at the office, linksys at the house. I do have the Cisco router that I was using at the office before I got the Dell one. I could try out either one at the house and it would be fairly convenient, particularly over the weekend. Never had any trouble with the Cisco one, but that was with my old electronic medical records system, and the new people had to sell me something to go with the new printer I guess. On Monday, I am going into the office late, so I can have them remote in and see the thing die in real time, rather than just hearing about it. Amber? Man I must have completely missed something.
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Join Date: Apr 2002
Posts: 30,507
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![]() Amber? Now I'm stumped....I ASSumed that was your sister....go back and look at posts 15 and 17. |
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