* Replaced the fair algorithm for load balancing algorithm by least connection.

Author: António P. P. Almeida

upstream_phpapache.conf

@@ -9,10 +9,10 @@
 ## version with the fair load balancer.
 
 upstream phpapache {
-    ## If your version of Nginx doesn't have the fair load balancer:
-    ## https://github.com/gnosek/nginx-upstream-fair comment out the
-    ## following line.
-    fair;
+    ## Use the least connection algorithm for load balancing. This
+    ## algorithm was introduced in versions 1.3.1 and 1.2.2.
+    least_conn;
+
     server 127.0.0.1:8080;
     server 127.0.0.1:8081;
     ## Create a backend connection cache. Note that this requires
@@ -22,7 +22,9 @@ upstream phpapache {
     keepalive 5;
 }
 
-## Add a third pool as a fallback.
+## Add a third pool as a fallback. Note that this requires php-cgi
+## side by side php-fpm. If you don't have it installed comment it
+## out.
 upstream phpapache_backup {
     server 127.0.0.1:8082;
     ## Create a backend connection cache. Note that this requires
@@ -31,3 +33,4 @@ upstream phpapache_backup {
     ## following line if that's not the case.
     keepalive 1;
 }
+

upstream_phpcgi_tcp.conf

@@ -10,10 +10,10 @@
 
 ## Add as many servers as needed. Cf. http://wiki.nginx.org/HttpUpstreamModule.
 upstream phpcgi {
-    ## If your version of Nginx doesn't have the fair load balancer:
-    ## https://github.com/gnosek/nginx-upstream-fair comment out the
-    ## following line.
-    fair;
+    ## Use the least connection algorithm for load balancing. This
+    ## algorithm was introduced in versions 1.3.1 and 1.2.2.
+    least_conn;
+
     server 127.0.0.1:9001;
     server 127.0.0.1:9002;
     ## Create a backend connection cache. Note that this requires
@@ -23,7 +23,9 @@ upstream phpcgi {
     keepalive 5;
 }
 
-## Add a third pool as a fallback.
+## Add a third pool as a fallback. Note that this requires php-cgi
+## side by side php-fpm. If you don't have it installed comment it
+## out.
 upstream phpcgi_backup {
     server 127.0.0.1:9003;
     ## Create a backend connection cache. Note that this requires
@@ -32,3 +34,4 @@ upstream phpcgi_backup {
     ## following line if that's not the case.
     keepalive 1;
 }
+

upstream_phpcgi_unix.conf

@@ -10,10 +10,10 @@
 
 ## Add as many servers as needed. Cf. http://wiki.nginx.org/HttpUpstreamModule.
 upstream phpcgi {
-    ## If your version of Nginx doesn't have the fair load balancer:
-    ## https://github.com/gnosek/nginx-upstream-fair comment out the
-    ## following line.
-    fair;
+    ## Use the least connection algorithm for load balancing. This
+    ## algorithm was introduced in versions 1.3.1 and 1.2.2.
+    least_conn;
+
     server unix:/var/run/php-fpm.sock;
     server unix:/var/run/php-fpm-zwei.sock;
     ## Create a backend connection cache. Note that this requires
@@ -23,7 +23,9 @@ upstream phpcgi {
     keepalive 5;
 }
 
-## Add a third pool as a fallback.
+## Add a third pool as a fallback. Note that this requires php-cgi
+## side by side php-fpm. If you don't have it installed comment it
+## out.e
 upstream phpcgi_backup {
     server unix:/var/run/php-fpm-bkp.sock;
     ## Create a backend connection cache. Note that this requires
@@ -32,3 +34,4 @@ upstream phpcgi_backup {
     ## following line if that's not the case.
     keepalive 1;
 }
+