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+Dependencies:
+
+   -- libevent, http://www.monkey.org/~provos/libevent/ (libevent-dev)
+
+If using Linux, you need a kernel with epoll.  Sure, libevent will
+work with normal select, but it sucks.
+
+epoll isn't in Linux 2.4 yet, but there's a backport at:
+
+    http://www.xmailserver.org/linux-patches/nio-improve.html
+     
+You want the epoll-lt patch (level-triggered).
+
+If you're using MacOS, you'll want libevent 1.1 or higher to deal with 
+a kqueue bug.
+
+Also, be warned that the -k (mlockall) option to memcached might be
+dangerous when using a large cache.  Just make sure the memcached machines
+don't swap.  memcached does non-blocking network I/O, but not disk.  (it
+should never go to disk, or you've lost the whole point of it)
+
+The memcached website is at:
+
+    http://www.danga.com/memcached/
+