Forum : Technical Preview

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Topic: Synth processing queue

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It looks like Synths are not processed on a first come first served basis, but that Synths with fewer photos have priority. Or is there something broken with 2 of my Synths waiting, while more recent ones are completed?
NateLawrence (7 months ago)
I wanted to take a look so went to your profile on the preview http://photosynth.net/preview/users/Joscelin.Trouwborst but I guess no one but yourself can see incomplete synths listed there, sadly.

My experience has been that whichever synths finish uploading first start processing first, but if it is a larger synth it might take longer than a smaller synth to finish synthing which finished uploading after it.

I guess you still see "Waiting to be processed" under them, rather than "Processing"?
Yes.
druellan (7 months ago)
I'm also wondering how queues work. Things were pretty lineal, until my browser froze in the middle of an upload. The system started to process the incomplete files.
Meantime, I started uploading the whole thing again. I've found that the incomplete upload changed to "Waiting to be processed", and the new one to "Processing", and after an hour I'm still waiting.
I really miss a button to cancel the process.
True, I miss 'back' and 'cancel' buttons in the submission and synthing process too.
I have got 2 synths waiting for processing for about 24 hours now. Meanwhile it got less likely that there is something with the quantity of photos, as another synth of mine has about the same number.
Nathanael (7 months ago)
Wow. Not fun. 

That does bring up an interesting question.
If a synth is stuck in limbo, does it just show the pixelated black and white thumb on your profile forever or does it eventually disappear? 
(Granted you're the only one who can see your own incomplete synth thumbnails, so anyone who was loading your profile wouldn't be put off by it.)
We are in Technical Preview, so I would not bother now for others to see problems on my profile page.

I am talking about 2 Synths which are the same and contain 34 photos. There is no warning for any photo after selection and upload starts. At some point before 50% a message showed that 2 photos failed upload and I have clicked it for retry. I did not notice anything strange and the uploads finished, but the synths still show as a chess board waiting to be processed.

Just now I have tried it for the 3rd time and have not clicked for retry. Beyond 60% upload, but before finish, IE11 metro crashed.
I have got 3 chess boards on my profile now.
PhotosynthTeam (7 months ago)
Synths are handed to server instances on a first-come first-served basis, but because we have many instances in parallel, it's possible for s shorter one to finish before a longer one that was uploaded early.

On the issue of an eternal "Waiting to be Processed" message. We have a bad bug in our code right now that I'm pushing to fix ASAP.  The state we show when an upload is in progress should be "uploading", but currently it's not. It's "waiting to be processed". Compounding this problem, due to http issues, we can't really know if the upload has been abandoned (say you navigated away from the page, killed your browser, or rebooted your machine). 

We need to show the state correctly, and allow you to tell US that the upload has been abandoned.  

And before you ask, we're not planning on writing anything in the near term to allow people to "continue" an upload in a different session. Useful, but not high on the priority list right now.
With the previous 3, I have been working on other tabs during the upload.

Now, have cold booted my machine and done nothing else than launch IE11 Metro, closed the open tab to Photosynth.net, navigated to it anew and to the preview/create page, selected the same photo set in the same way and submitted. This time I have just been watching and done nothing else. No message about photos failing upload and finally and upload completion. The synth is processing now, while the other 3 are still waiting to be processed.
Synthing has finished with a beautiful result.

Seems the others are stuck.

So, in the previous Synths something went wrong in the upload, producing the message that 2 photos failed upload, although uploading seemed to continue and finish well after I clicked 'retry'.
@PhotosynthTeam. No, I have not received such an email.
I still got these 3 Synths waiting to be processed.
If they're still "waiting to be processed", then they're almost definitely in the partial upload state that I mentioned above. They will not now change, and you can't delete them until we push a bug fix that allows you to. Sorry about this. This bug annoys us to, and we'll fix it as soon as we can safely.
Thanks for responding and clarifying. No need for a sorry, I accept this is Preview. Keep up the good job! :-)
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