squid 3.5.3 (пробовал 3.3.13 нагрузка так же большая на процессор, 3.4.8 вовсе плохо себя ведет при пользователя больше 30)
ключи сборки:
configure options: '--build=i686-linux-gnu' '--prefix=/usr' '--includedir=/usr/include' '--mandir=/usr/share/man' '--datadir=/usr/share/squid' '--infodir=/usr/share/info' '--bindir=/usr/sbin' '--libexecdir=/usr/lib/squid' '--localstatedir=/var' '--sysconfdir=/etc/squid' '--enable-auth-basic=DB,fake,getpwnam,LDAP,NCSA,NIS,POP3,RADIUS,SASL,SMB' '--enable-auth-negotiate=kerberos,wrapper' '--enable-auth-ntlm=fake,smb_lm' '--enable-external-acl-helpers=file_userip,kerberos_ldap_group,LDAP_group,SQL_session,unix_group,wbinfo_group' '--enable-auth-digest=file,LDAP' '--enable-removal-policies=lru,heap' '--enable-inline' '-enable-async-io=8' '--enable-storeio=ufs,aufs,diskd,rock' '--enable-delay-pools' '--enable-cache-digests' '--enable-underscores' '--enable-icap-client' '--enable-follow-x-forwarded-for' '--enable-url-rewrite-helpers=fake' '--enable-eui' '--enable-esi' '--enable-zph-qos' '--with-swapdir=/var/spool/squid' '--with-pidfile=/var/run/squid.pid' '--with-filedescriptors=65536' '--with-large-files' '--with-default-user=squid' '--enable-linux-netfilter' '--enable-ltdl-convenience' '--srcdir=.' '--disable-mainteiner-mode' '--disable-dependency-tracking' '--disable-silent-rules' '--with-logdir=/var/log/squid' '--enable-auth' '--enable-epoll' '--enable-ident-lookups' '--enable-snmp' '--enable-wccpv2' '--enable-ssl' '--enable-ssl-crtd' '--enable-icmp' '--with-aio' '--with-dl' '--with-openssl' '--with-pthreads' '--with-included-ltdl' '--disable-arch-native' '--without-nettle' 'CFLAGS=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables' 'CXXFLAGS=-O2 -g -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=4 -m32 -march=i686 -mtune=atom -fasynchronous-unwind-tables -fPIC' 'build_alias=i686-linux-gnu'