This is the default example configuration of mem_cache.conf provided by Apache. This config file was generated by Apache running on Ubuntu 12.04.
It is located under: /etc/apache2/mods-available/mem_cache.conf
<IfModule mod_mem_cache.c>
CacheEnable mem /
MCacheSize 4096
MCacheMaxObjectCount 100
MCacheMinObjectSize 1
MCacheMaxObjectSize 2048
</IfModule>
Download the raw file with wget or curl
wget -O mem_cache.conf.example http://exampleconfig.com/static/raw/apache/ubuntu12.04/etc/apache2/mods-available/mem_cache.conf
curl http://exampleconfig.com/static/raw/apache/ubuntu12.04/etc/apache2/mods-available/mem_cache.conf > mem_cache.conf.example
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