Missing drives since iOS app 3.5 upgrade

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Re: Missing drives since iOS app 3.5 upgrade

Postby therubinator » Tue Nov 06, 2012 4:57 pm

WeeeZer14 wrote:2.) Data compression is turned on by default now. Client must be caching data to compress chunks and send. So it is possible we lose the buffer on shut down if it isn't successfully flushed.


I had always had Data Compression on in the previous version and never noticed this behaviour of missing drives, though.
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Re: Missing drives since iOS app 3.5 upgrade

Postby zexpe » Tue Nov 06, 2012 4:35 pm

WeeeZer14 wrote:
AlanOfTheBerg wrote:- My morning commute drive showed up within 5 min.
- My morning commute yesterday is available.
- My afternoon commute hasn't appeared yet.

All are nearly exactly the same distance traveled. Drive processing is clearly not happy with something happening during some drives.

What kind of network switches are going on at each end? Cell to WiFi on each? Same encryption on each WiFi (grasping as straws here)?

I had the same pattern. It is possible my phone is connecting to a (possibly my) WiFi network upon arriving home that is interrupting the transfer. This wouldn't affect my morning commutes.
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Re: Missing drives since iOS app 3.5 upgrade

Postby AlanOfTheBerg » Tue Nov 06, 2012 4:34 pm

WeeeZer14 wrote:What kind of network switches are going on at each end? Cell to WiFi on each? Same encryption on each WiFi (grasping as straws here)?

I usually have wifi off, so one end is LTE, the other is 3G. No known breaks in coverage during the entire commute.
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Re: Missing drives since iOS app 3.5 upgrade

Postby WeeeZer14 » Tue Nov 06, 2012 4:32 pm

AlanOfTheBerg wrote:- My morning commute drive showed up within 5 min.
- My morning commute yesterday is available.
- My afternoon commute hasn't appeared yet.

All are nearly exactly the same distance traveled. Drive processing is clearly not happy with something happening during some drives.

What kind of network switches are going on at each end? Cell to WiFi on each? Same encryption on each WiFi (grasping as straws here)?
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Re: Missing drives since iOS app 3.5 upgrade

Postby AlanOfTheBerg » Tue Nov 06, 2012 4:30 pm

- My morning commute drive showed up within 5 min.
- My morning commute yesterday is available.
- My afternoon commute hasn't appeared yet.

All are nearly exactly the same distance traveled. Drive processing is clearly not happy with something happening during some drives.
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Re: Missing drives since iOS app 3.5 upgrade

Postby AlanOfTheBerg » Tue Nov 06, 2012 4:27 pm

zexpe wrote:
WeeeZer14 wrote:Data compression is turned on by default now.

Now that's interesting; so there is no way to turn off data compression now?

No.
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Re: Missing drives since iOS app 3.5 upgrade

Postby zexpe » Tue Nov 06, 2012 4:26 pm

WeeeZer14 wrote:Data compression is turned on by default now.

Now that's interesting; so there is no way to turn off data compression now?
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Re: Missing drives since iOS app 3.5 upgrade

Postby WeeeZer14 » Tue Nov 06, 2012 4:18 pm

CBenson wrote:
jasonh300 wrote:My theory is that if you end a drive and Waze can't immediately make an internet connection to upload the drive, the drive gets lost.

But you shouldn't lose the whole drive. At worst shouldn't you only lose from where you lost the internet connection.

1.) URs may be involved in that it means there is more data for the drive thus more data to upload.
2.) Data compression is turned on by default now. Client must be caching data to compress chunks and send. So it is possible we lose the buffer on shut down if it isn't successfully flushed.

If buffer is based on size alone, it may be good to change to size OR time if the size is fairly large (say over 10 minutes worth of driving).
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Re: Missing drives since iOS app 3.5 upgrade

Postby CBenson » Tue Nov 06, 2012 3:38 pm

jasonh300 wrote:My theory is that if you end a drive and Waze can't immediately make an internet connection to upload the drive, the drive gets lost.

But you shouldn't lose the whole drive. At worst shouldn't you only lose from where you lost the internet connection.
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Re: Missing drives since iOS app 3.5 upgrade

Postby jasonh300 » Tue Nov 06, 2012 3:34 pm

My theory is that if you end a drive and Waze can't immediately make an internet connection to upload the drive, the drive gets lost. I thought it had to do with leaving Update Requests, but proved that wrong. And sharing drives has never been done on any drive that has been lost for me.

This issue has been reported to the developers and they have acknowledged it and are looking into it, so I'll report back here as soon as I hear something.
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