[OSM-talk] Trouble in Rangoon [x-post]

Dirk-Lüder Kreie osm-list at deelkar.net
Wed Feb 27 10:07:49 GMT 2008


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Andrew Harris schrieb:
>> the mapnik layer and the openstreetmap page are both affected by a
>> network outage at our hosting sponsor.
>> http://informationfreeway.org with the osmarender layer still does work
> 
>> first the slashdot effect may have it backlogged and stuff timedout
>> second the tile may not have been regenerated
>> third (least likely) the data may be missing/corrupt
> 
> Dirk, Jon,
> thanks for the suggestions, however this problem was apparent late last
> week - before the slashdotting and network outage. When zoomed into the
> area around Rangoon
> http://informationfreeway.org/?lat=16.799943421803306&lon=96.16298921515303&zoom=14&layers=B000F000F
> 
> or
> http://openstreetmap.org/?lat=16.796&lon=96.1546&zoom=13&layers=B0FT
> it is apparent that there is a nasty gap where there used to be some
> very good data.
> 
> The editing tools I have access to (Potlatch and JOSM) both rely on the
> osm server, so I can't check those, but there does appear to be a
> problem here, so is there a way to roll back or check an old version of
> a whole area?


http://tah.openstreetmap.org/Tiles/info.php?x=3141&y=1854&z=12

That tile has had data changed on 2008-02-25 (the changedTiles requester
caught it)
this was quite possibly a delete.

The osmarender layer is rendered directly from api output, so basically
reflects the current state of affairs, if no rendering problems arise.

the better you can narrow in the area, and maybe more importantly the
time of the deletion there is a way.
If the area is not too big you can use potlatch's "undelete" (zoom to
area, press "U") to resurrect ways one-by-one.

- --

Dirk-Lüder "Deelkar" Kreie
Bremen - 53.0952°N 8.8652°E

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