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[rails.git] / public / dispatch.fcgi

diff --git a/public/dispatch.fcgi b/public/dispatch.fcgi
index 3169ba26768334f7eae51d93900f2ff548223d2c..3a13f230c24c709bc51a7f8fbf0dbaa9a4a5fcf8 100755 (executable)
--- a/public/dispatch.fcgi
+++ b/public/dispatch.fcgi
@@ -21,4 +21,29 @@
 require File.dirname(__FILE__) + "/../config/environment"
 require 'fcgi_handler'
 
 require File.dirname(__FILE__) + "/../config/environment"
 require 'fcgi_handler'
 

-RailsFCGIHandler.process!
+class OpenStreetMapFCGIHandler < RailsFCGIHandler
+protected
+  def process_request(cgi)
+    # Call superclass to process the request
+    super
+
+    # Restart if we've hit our memory limit
+    if resident_size > 512
+      dispatcher_log :info, "restarting due to memory limit"
+      restart!
+    end
+  end
+
+  def resident_size
+    # Read statm to get process sizes. Format is
+    #   Size RSS Shared Text Lib Data
+    fields = File.open("/proc/self/statm") do |file|
+      fields = file.gets.split(" ")
+    end
+
+    # Return resident size in megabytes
+    return fields[1].to_i / 256
+  end
+end
+
+OpenStreetMapFCGIHandler.process!