From a63a3d4ddb992747020bd48f00c35158d7a447d6 Mon Sep 17 00:00:00 2001 From: Pieter Noordhuis Date: Tue, 15 Nov 2011 13:28:57 -0800 Subject: [PATCH] Update README on allocators --- README | 17 +++++++++-------- 1 file changed, 9 insertions(+), 8 deletions(-) diff --git a/README b/README index e3054887..3920b534 100644 --- a/README +++ b/README @@ -26,18 +26,19 @@ NOTE: if after building Redis with a 32 bit target you need to rebuild it Allocator --------- -By default Redis compiles and links against jemalloc under Linux, since -glibc malloc() has memory fragmentation problems. +Selecting a non-default memory allocator when building Redis is done by setting +the `MALLOC` environment variable. Redis is compiled and linked against libc +malloc by default, with the exception of jemalloc being the default on Linux +systems. This default was picked because jemalloc has proven to have fewer +fragmentation problems than libc malloc. -To force a libc malloc() build use: +To force compiling against libc malloc, use: - % make FORCE_LIBC_MALLOC=yes + % make MALLOC=libc -In all the other non Linux systems the libc malloc() is used by default. +To compile against jemalloc on Mac OS X systems, use: -On Mac OS X you can force a jemalloc based build using the following: - - % make USE_JEMALLOC=yes + % make MALLOC=jemalloc Verbose build ------------- -- 2.47.2