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Comments and suggestions concerning this book should be mailed to gmourani@videotron.ca © Copyright 1999-2000 Gerhard Mourani and Open Network Architecture ® 344 We change the default location of “cache.log”, “access.log”, and “store.log” files to be located under “/var/log/squid” directory, then we put the pid file of Squid under “/var/run” directory and finally locate the “icons” directory of Squid under “/usr/lib/squid/icons” with the variable (libexecdir) above. Using GNU malloc library to improve cache performance of Squid If you're suffering of memory limitation in your system, the cache performance of Squid will be affected. To reduce this problem, you can link Squid with an external malloc library such as GNU malloc. To make Squid use GNU malloc as an external library follows these simple steps: Packages GNU malloc Homepage: http://www.gnu.org/order/ftp.html You must be sure to download: malloc.tar.gz [root@deep /]# cp malloc.tar.gz /var/tmp [root@deep /]# cd /var/tmp [root@deep tmp]# tar xzpf malloc.tar.gz Step 1 Compile and install GNU malloc in your system by executing the following commands: [root@deep tmp]# cd malloc [root@deep malloc]#  export CC=egcs [root@deep malloc]#  make Step 2 Copy the “libmalloc.a” file to your system library directory and be sure to name it “libgnumalloc.a”. [root@deep malloc]#  cp libmalloc.a /usr/lib/libgnumalloc.a Step 3 Copy the “malloc.h” file to your system include directory and be sure to name it “gnumalloc.h”. [root@deep malloc]#  cp malloc.h /usr/include/gnumalloc.h With the files “libgnumalloc.a” and “gnumalloc.h” installed in your system, Squid will detect them automatically during its compile time and will use them to improve its cache performance. Compile and Optimize Step 1 Return into the new Squid directory and type the following commands on your terminal: CC="egcs" \ CFLAGS="-O9 -funroll-loops -ffast-math -malign-double -mcpu=pentiumpro -march=pentiumpro -fomit- frame-pointer -fno-exceptions" \ ./configure \ --prefix=/usr \ --exec-prefix=/usr \ --bindir=/usr/sbin \ --libexecdir=/usr/lib/squid \ --localstatedir=/var \ --sysconfdir=/etc/squid \ --enable-delay-pools \