HI~ I already changed the setting, In Kernel add: options DEVICE_POLLING options MAXDSIZ=(4096UL*1024*1024) # Conf para 4Gb options MAXSSIZ=(256UL*1024*1024) # E aqui vai pra 128 options DFLDSIZ=(4096UL*1024*1024) # 4096 tb! options MSGMNB=262144 # Number of bytes in a queue options MSGMNI=128 # Need to be at least 2 times the options MSGSSZ=256 # Size of the message segment in a options MSGTQL=16384 # Number of max queue identifiers options MSGSEG=2048 # Number of messages segments options SHMMNI=256 # The half of the message queues at options SHMALL=65536 options SHMMAX=(128UL*1024*1024) options SHMSEG=128 in squid.conf cache_mem 256 MB cache_dir diskd to aufs After the change squid is roughly good. But in cache.log sometimes show messages 2008/03/07 06:27:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/twoshore" 2008/03/07 06:27:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/finance" 2008/03/07 06:27:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/entertain" 2008/03/07 06:27:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/sports" 2008/03/07 06:27:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/leisure" 2008/03/07 06:27:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/relaxation" 2008/03/07 06:27:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/health" 2008/03/07 06:27:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/technology" 2008/03/07 06:27:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/odd" 2008/03/07 06:37:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/polity" 2008/03/07 06:37:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/society" 2008/03/07 06:37:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/international" 2008/03/07 06:37:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/twoshore" 2008/03/07 06:37:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/finance" 2008/03/07 06:37:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/entertain" 2008/03/07 06:37:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/sports" 2008/03/07 06:37:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/leisure" 2008/03/07 06:37:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/relaxation" 2008/03/07 06:37:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/health" 2008/03/07 06:37:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/technology" 2008/03/07 06:37:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/odd" 2008/03/07 06:47:53| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/polity" 2008/03/07 06:47:53| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/society" 2008/03/07 06:47:53| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/international" 2008/03/07 06:47:53| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/twoshore" 2008/03/07 06:47:53| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/finance" 2008/03/07 06:47:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/entertain" 2008/03/07 06:47:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/sports" 2008/03/07 06:47:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/leisure" 2008/03/07 06:47:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/relaxation" 2008/03/07 06:47:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/health" 2008/03/07 06:47:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/technology" 2008/03/07 06:47:54| httpReadReply: Excess data from "GET http://tw.news.yahoo.com/odd" 2008/03/07 12:34:35| WARNING: All dnsserver processes are busy. 2008/03/07 12:34:35| WARNING: up to 39 pending requests queued 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| httpAccept: FD 90: accept failure: (53) Software caused connection abort 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 2008/03/07 12:34:35| dnsSubmit: queue overload, rejecting l.yimg.com 3/6 cache.log in http://mail.knu.edu.tw/~joejoe/cache-20080307.rar How to make it better ?