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Download of AIP-data via WLAN extremly slow


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Thaler
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Since the latest update of SD and iOS I have a problem downloading/updating AIP-data. I encounter the issue both on an iPad 4 mini as well as on an iPhone 8. Both devices have the latest iOS 12.0.1 and the latest version of SD 3.10.5.134. Also, I encounter this regardless of the WLAN or internet connection used (home, two different offices and hotel).

The download of the AIP does work but is extremly slow when trying to download files via WLAN.

I tried a few combinations in order to get closer to the problem:

- Time required to download AIP-files into the PC-version of SD via a DSL-connection is as normal.
- Time required to download AIP-files into phone and tablet via LTE works normal (considering the amount of data to be loaded this is hardly a permanent solution).
- Time to download updates into other apps on the mobile devices via WLAN is normal.
- Time to load and open large e-mail attachements on the phone and the tablet via WLAN is normal (5 seconds for an 8MB file).
- Downloading AIP-files via WLAN into SD on the mobile devices takes forever (in excess of 45 mins for a 4MB-file).

I have tried to download different files in different country AIPs with the same result to exclude that the problem is with a single file.

The above applies both to my iPhone as well as my iPad so I presume the problem must be somewhere between iOS and SD as the WLAN-networks and DSL-connections seem to be fine and the download of files via LTE into SD also works as normal.

Short of deleting SD and re-installing it (which might become troublesome in case I thereafter still cannot load any AIP-date): Any thoughts appreciated.
Edited 10/27/2018 7:29:20 PM by Thaler
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Tim Dawson
Tim Dawson
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This is really strange, because it's the exact same code that runs to download a plate individually as runs when it's doing it as part of a batch.

I tried it from home last night and it worked perfectly quick.

There seem to be two different issues here, the first is general slowness during a download and the second is an actual hang of the software.

EGBPdriver
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Tim Dawson - 10/31/2018 1:01:33 PM
This is really strange, because it's the exact same code that runs to download a plate individually as runs when it's doing it as part of a batch.

I tried it from home last night and it worked perfectly quick.

There seem to be two different issues here, the first is general slowness during a download and the second is an actual hang of the software.

You'd have thought but there's obviously some form of queue processing going on with the batch download. Also - with regards hanging - I think that the 'Cancel' button only responds between individual file downloads, not as a separate thread - so if you encounter a particularly large file, the cancel button will not work until it has downloaded that file.

Downloading individual files seems fine - and using this mechanism to 'unblock' the batch processing has allowed me to download the AIP updates I need - so there is a work around.

Definitely only been an issue since the last update and seems independent of IOS version - Can't say why it's working for some and not for others though. 


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Thaler - 10/27/2018 7:28:55 PM
Roland - 10/28/2018 8:28:14 AM
EGBPdriver - 10/30/2018 10:35:47 AM
Tim Dawson - 10/30/2018 11:03:59 AM
EGBPdriver - 10/30/2018 11:17:34 AM
Tim Dawson - 10/30/2018 11:22:26 AM
EGBPdriver - 10/30/2018 5:15:19 PM
EGBPdriver - 10/30/2018 11:55:36 AM
p.linzner@linzner.at - 10/30/2018 4:57:50 PM
EGBPdriver - 10/30/2018 5:10:56 PM
wvolmer2 - 10/30/2018 5:20:48 PM
                     Thanks Wolfgang. I had the same problem with it stopping with...
EGBPdriver - 10/31/2018 10:08:36 AM
Tim Dawson - 10/31/2018 1:01:33 PM
EGBPdriver - 10/31/2018 1:12:05 PM
wvolmer2 - 11/1/2018 9:38:47 AM
Tim Dawson - 11/1/2018 10:54:12 AM
EGBPdriver - 11/2/2018 4:57:58 PM
Sbihour - 11/3/2018 1:02:32 PM
E4z9 - 11/3/2018 6:55:30 PM
EGBPdriver - 11/3/2018 7:06:20 PM
Tim Dawson - 11/7/2018 12:07:53 PM
grahamb - 11/8/2018 10:59:04 AM
Tim Dawson - 11/8/2018 12:11:13 PM
grahamb - 11/8/2018 1:00:24 PM
EGBPdriver - 11/8/2018 4:17:18 PM
Skyboy999 - 11/10/2018 9:36:40 AM
EGBPdriver - 11/10/2018 9:41:37 AM
kakugo - 11/11/2018 11:21:02 AM
cbk - 11/11/2018 9:10:04 PM
Tim Dawson - 11/13/2018 4:10:54 PM
EGBPdriver - 11/13/2018 5:24:15 PM
                 http://www.skydemon.aero/start/beta.aspx
Sky Painter - 11/14/2018 11:56:32 AM
                     Many thanks !
EGBPdriver - 11/14/2018 12:51:49 PM
             Thank you, Tim!
Thaler - 11/14/2018 6:21:00 AM
EGBPdriver - 11/14/2018 4:39:57 PM

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