Stop using /dev/null to find out the serialized object length

[redis.git] / README

diff --git a/README b/README
index 5eeabf7471294c6f7dfa82cc0f766583b9c0e241..9ea1456f7bdb4a67d2e5634b6895e8cf0d2f0edb 100644 (file)
--- a/README
+++ b/README
@@ -16,7 +16,8 @@ It is as simple as:
 
 Redis is just a single binary, but if you want to install it you can use
 the "make install" target that will copy the binary in /usr/local/bin
-for default.
+for default. You can also use "make PREFIX=/some/other/directory install"
+if you wish to use a different destination.
 
 You can run a 32 bit Redis binary using:
 
@@ -26,6 +27,23 @@ After you build Redis is a good idea to test it, using:
 
     % make test
 
+Buliding using tcmalloc
+-----------------------
+
+tcmalloc is a fast and space efficient implementation (for little objects)
+of malloc(). Compiling Redis with it can improve performances and memeory
+usage. You can read more about it here:
+
+http://goog-perftools.sourceforge.net/doc/tcmalloc.html
+
+In order to compile Redis with tcmalloc support install tcmalloc on your system
+and then use:
+
+    % make USE_TCMALLOC=yes
+
+Note that you can pass any other target to make, as long as you append
+USE_TCMALLOC=yes at the end.
+
 Running Redis
 -------------