[Talk-ca] CanVec Reverts
Begin Daniel
jfd553 at hotmail.com
Thu Sep 1 13:04:30 UTC 2016
I understand your point. You might be right about the time between changesets (even though it may depends on if the users is working with layers), but I maintain my points about the time it may take within a changeset.
Daniel
-----Original Message-----
From: Michael Reichert [mailto:nakaner at gmx.net]
Sent: Thursday, 1 September, 2016 08:37
To: Begin Daniel; talk-ca at openstreetmap.org
Subject: Re: [Talk-ca] CanVec Reverts
Hi Daniel,
Am 2016-09-01 um 12:26 schrieb Begin Daniel:
> Furthermore, I hope you will not use you 100 objects per minute to
> decide whether or not you will delete a changeset. I think this
> threshold is value doesn't' apply (see below)
>
> Daniel
>
> About the100 objects threshold.
> From my experience, if I load a Canvec tile in JOSM, make all the necessary corrections and then import the result to OSM, I throw up to 25K objects to the database within five minutes. As far as I know, the timestamps attached to the changeset and to the objects is generated by the OSM database when receiving the data. The five minutes it takes to upload the data to the database (5K objects per minute) do not reflect the time I spent editing the data prior to the upload.
That's the base of my calculation I did with Rps333's changesets:
changeset start end object count
------------------------------------------------------------
39517571 19:30:53 19:32:56 4311
39517686 19:35:30 19:41:12 11724
39517944 19:45:15 19:47:27 4963
39518147 19:53:25 20:04:55 19286
As you see, he took less than three minutes minutes after uploading
39517571 to prepare 39517686. You cannot check such an amount of data very well within that time.
Best regards
Michael
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