On Sunday 12 May 2013 01:02:19 Ahmad wrote: > hi , > i want to ask about ssd hardsik to the squid opersting system > > does it make difference with squid performance ?? "" im asking about the os > hardsik not cache hardsiks " I personally wouldn't use ssd hard disk for caching. SSDs have a huge but limited write operations. Use a regular mechanical disk but choose ext4 for partition and a linux 3.3+ kernel. I have had good experiences with that combination.