[Tile-serving] [osm2pgsql] Reduce memory usage of node cache (#360)

[Paul Norman]

I'm testing 7db0ae9 for speed

---
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/osm2pgsql/pull/360#issuecomment-116909751
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/tile-serving/attachments/20150629/8b3818df/attachment.html>