Hello !! "squidclient mgr:info" shows : Request Memory Hit Ratios: 5min: 4.5%, 60min: 6.2% Request Disk Hit Ratios: 5min: 44.9%, 60min: 48.8% my maximum_object_size_in_memory are 64kb ... this servers is dedicated to squid (quad opteron with 4gb ram, cache_mem 128MB) .. can i increat cache_mem to 256mb and maximum obj in memory to 128kb ? which are the best values ? thanks !! -- Sds. Alexandre J. Correa Onda Internet / OPinguim.net http://www.ondainternet.com.br http://www.opinguim.net