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Hi Stefan,<br>
<br>
maybe this is of some help:<br>
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<a href="http://trac.mapnik.org/wiki/OptimizeRenderingWithPostGIS">http://trac.mapnik.org/wiki/OptimizeRenderingWithPostGIS</a><br>
<br>
regards,<br>
<br>
nico<br>
<br>
On 31.05.2010 17:25, Stefan Priess wrote:
<blockquote
cite="mid:OFFD3133E8.691ACEDD-ONC1257734.00542943-C1257734.0054B631@retarus.de"
type="cite"><br>
<font face="sans-serif" size="2">Hello List,</font>
<br>
<br>
<font face="sans-serif" size="2">in loaded the planet.osm file into
my
db and want to prerender some tiles so i call:</font>
<br>
<br>
<font face="sans-serif" size="2">tilecache_seed.py osm 0 7</font>
<br>
<br>
<font face="sans-serif" size="2">my cifg:</font>
<br>
<br>
<font face="sans-serif" size="2">[osm]</font>
<br>
<font face="sans-serif" size="2">type=Mapnik</font>
<br>
<font face="sans-serif" size="2">mapfile=/opt/mapniktools/osm.xml</font>
<br>
<font face="sans-serif" size="2">extension=png</font>
<br>
<font face="sans-serif" size="2">spherical_mercator=true</font>
<br>
<font face="sans-serif" size="2">metabuffer=256</font>
<br>
<font face="sans-serif" size="2">metatile=yes</font>
<br>
<br>
<font face="sans-serif" size="2">Output:</font>
<br>
<br>
<font face="sans-serif" size="2">Cache miss:
-20037508.34,-20037508.34,20037508.3384,20037508.3384,
Tile: x: 0, y: 0, z: 0, time: 4.50857400894</font>
<br>
<font face="sans-serif" size="2">Cache miss:
-20037508.34,-20037508.34,-0.000799998641014,-0.000799998641014,
Tile: x: 0, y: 0, z: 1, time: 2.24050211906</font>
<br>
<font face="sans-serif" size="2">Cache miss:
-20037508.34,-20037508.34,-10018754.1704,-10018754.1704,
Tile: x: 0, y: 0, z: 2, time: 47.7445428371</font>
<br>
<font face="sans-serif" size="2">Cache miss:
-20037508.34,-20037508.34,-15028131.2552,-15028131.2552,
Tile: x: 0, y: 0, z: 3, time: 33.1307868958</font>
<br>
<font face="sans-serif" size="2">Cache miss:
5009377.084,-20037508.34,10018754.1688,-15028131.2552,
Tile: x: 5, y: 0, z: 3, time: 23.2806358337</font>
<br>
<font face="sans-serif" size="2">Cache miss:
-20037508.34,5009377.084,-15028131.2552,10018754.1688,
Tile: x: 0, y: 5, z: 3, time: 27.7289340496</font>
<br>
<font face="sans-serif" size="2">Cache miss:
5009377.084,5009377.084,10018754.1688,10018754.1688,
Tile: x: 5, y: 5, z: 3, time: 21.4363980293</font>
<br>
<font face="sans-serif" size="2">Cache miss:
-20037508.34,-20037508.34,-17532819.7976,-17532819.7976,
Tile: x: 0, y: 0, z: 4, time: 2.18496513367</font>
<br>
<font face="sans-serif" size="2">Cache miss:
-7514065.628,-20037508.34,-5009377.0856,-17532819.7976,
Tile: x: 5, y: 0, z: 4, time: 1.23492002487</font>
<br>
<font face="sans-serif" size="2">Cache miss:
5009377.084,-20037508.34,7514065.6264,-17532819.7976,
Tile: x: 10, y: 0, z: 4, time: 0.98893404007</font>
<br>
<font face="sans-serif" size="2">Cache miss:
17532819.796,-20037508.34,20037508.3384,-17532819.7976,
Tile: x: 15, y: 0, z: 4, time: 0.568192005157</font>
<br>
<font face="sans-serif" size="2">Cache miss:
-20037508.34,-7514065.628,-17532819.7976,-5009377.0856,
Tile: x: 0, y: 5, z: 4, time: 23.5294082165</font>
<br>
<br>
<font face="sans-serif" size="2">This is too slow! 8GB Mem and 2x CPU
with 4x Cores each 2,66GHz should have enough power.</font>
<br>
<font face="sans-serif" size="2">I use Tilecache 2.10 with the Patch
to avoid the zero data layer bug.</font>
<br>
<br>
<font face="sans-serif" size="2">Any ideas?</font>
<br>
<br>
<font face="sans-serif" size="2">regards</font>
<br>
<br>
<font face="sans-serif" size="2">Stefan</font>
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