[josm-dev] josm/jmapviewer / tilecache / single directory

[Florian Lohoff]

Hi,
i send an email a couple of months back about the jmapviewer tilecache
used by josm using a flat directory for storing the tiles.

Today now i stumbled that doing a find in the .josm directory takes
upwards of 10 Minutes on my Quad i7 with a 7200 IDE Disk on
Debian/Wheezy.

Doing a cache cold "ls" in ~/.josm/tilecache/Bing Aerial Maps
takes 

flo at p2:~/.josm/tilecache/Bing Aerial Maps$ time ls >/dev/null
real	9m3.151s
user	0m23.133s
sys	0m26.474s
flo at p2:~/.josm/tilecache/Bing Aerial Maps$ ls -1 | wc -l
1846091

9 Minutes 3 seconds for a ls - 1.8Mio files in a single directory.

Flo
PS: Dont get me wrong - large cache is good - but not like this.
-- 
Florian Lohoff                                                 f at zz.de
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