tilecache: increase backend keepalive connection

Increase the backend keepalive connections to reduce the number of
overall connections to backend.

diff --git a/cookbooks/tilecache/templates/default/nginx_tile.conf.erb b/cookbooks/tilecache/templates/default/nginx_tile.conf.erb
index 95d7b8b8c062f559c22d3de12534da4740e90094..6b5d2c48edbca90d9553e8126714483367261626 100644 (file)
--- a/cookbooks/tilecache/templates/default/nginx_tile.conf.erb
+++ b/cookbooks/tilecache/templates/default/nginx_tile.conf.erb
@@ -3,7 +3,7 @@
 upstream tile_cache_backend {
     server 127.0.0.1;
 
-    keepalive 32;
+    keepalive 256;
 }
 
 # Rates table based on current cookie value