hi, i got this message in my log. squidaio_queue_request: WARNING - Queue congestion my sistem use 4 hdd sata for the cache directory. i use squid that originaly compile by trustix secure linux. adi@box adi$ squid -v Squid Cache: Version 2.5.STABLE13 configure options: '--host=i586-trustix-linux-gnu' '--target=i586-trustix-linux' '--prefix=/usr' '--program-prefix=' '--exec-prefix=/usr' '--bindir=/usr/bin' '--sbindir=/usr/sbin' '--sysconfdir=/etc' '--datadir=/usr/share' '--includedir=/usr/include' '--libdir=/usr/lib' '--libexecdir=/usr/libexec' '--localstatedir=/var' '--sharedstatedir=/usr/com' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--bindir=/usr/sbin' '--libexecdir=/usr/lib/squid' '--localstatedir=/var/spool/squid' '--sysconfdir=/etc/squid' '--enable-async-io' '--enable-poll' '--with-dl' '--enable-gnuregex' '--enable-carp' '--with-aio' '--enable-storeio=aufs,diskd,null,ufs' '--enable-icap-support' '--enable-delay-pools' '--enable-useragent-log' '--enable-referer-log' '--enable-arp-acl' '--enable-htcp' '--enable-ssl' '--with-openssl' '--enable-forw-via-db' '--enable-cache-digests' '--enable-default-err-language=English' '--enable-linux-netfilter' '--enable-auth=ntlm basic digest' '--enable-basic-auth-helpers=MSNT NCSA PAM SMB YP getpwnam multi-domain-NTLM winbind' '--enable-ntlm-auth-helpers=SMB fakeauth no_check winbind' '--enable-digest-auth-helpers=password' '--enable-ntlm-fail-open' '--enable-external-acl-helpers=ip_user unix_group wbinfo_group winbind_group ldap_group' '--enable-x-accelerator-vary' '--enable-snmp' 'CFLAGS=-O3 -fomit-frame-pointer -pipe -s -mpentium -mcpu=pentium -march=pentium -fexpensive-optimizations -D_FILE_OFFSET_BITS=64 -D_LARGE_FILES=1 -D_LARGEFILE64_SOURCE=1' 'host_alias=i586-trustix-linux-gnu' 'target_alias=i586-trustix-linux' when i type pstree i found my squid proses |-squid---squid-+-squid---36*[squid] | |-24*[squid_redirect] | `-unlinkd anybody can help ? regards, adi