[Tilesathome] Unnecessary re-rendering of tiles?

[milenko at king-nerd.com]

I noticed this the other day as well when looking at the munin graphs.  The missing tiles queue sometimes grows by as much as 500 tiles per hour.  This is exponentially higher than before.  This could be why there are so many tiles in that queue.  If someone with server access has some time, it might be worth looking into.

-Jeremy

Original Message -----------------------
This was discussed briefly on irc the other day but I'm not sure any 
conclusion was reached.

I'm looking a tile that was rendered a few days ago when I changed the 
data and it's status seems a little strange.
The tile is http://tah.openstreetmap.org/Tiles/info.php?x=4011&y=2595&z=12
(Note that the status may be different by the time you read this email 
as I have made changes and am going to re-render it)

Currently the tile info shows


        Current Request Status

    Requested at 2008-02-01 18:39:07, by server:MissingTile:7, with
    priority 3.
    Current state is *Pending*.


        Tile on disk

    Image file: 28535 bytes, modified 2008-01-28 22:57:31

    Full tileset upload by user 215 (ivansanchez) with client 20 (Oslo)
    recorded on 2008-01-28 21:01:06


        Blank db

    4011,2595 at z-12 is blank land, uploaded by user 215
    '*ivansanchez*' on 2008-01-28 21:01:06

My question is why has it been flagged as MissingTile when there is a 
valid and current tile on disk?
The suggestion on irc was that it may have something to do with the 
blank tile reducing process?

Cheers

rcr

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