Re: [squid-users] Why squid instance' cpu load so high, can rebuild so frequency ?

Sorry for my lackless of the information.

The squid options and distro below.
FreeBSD cache4.cnwisp.com 9.1-RELEASE FreeBSD 9.1-RELEASE

Squid Cache: Version 3.2.4
configure options: '--with-default-user=squid' '--bindir=/usr/local/sbin' '--sbindir=/usr/local/sbin' '--datadir=/usr/local/etc/squid' '--libexecdir=/usr/local/libexec/squid' '--localstatedir=/var/squid' '--sysconfdir=/usr/local/etc/squid' '--with-logdir=/var/log/squid' '--with-pidfile=/var/run/squid/squid.pid' '--enable-auth' '--enable-build-info' '--enable-loadable-modules' '--enable-removal-policies=lru heap' '--disable-epoll' '--disable-linux-netfilter' '--disable-linux-tproxy' '--disable-translation' '--enable-auth-basic=DB MSNT MSNT-multi-domain NCSA PAM POP3 RADIUS fake getpwnam' '--enable-auth-digest=file' '--enable-external-acl-helpers=file_userip unix_group' '--enable-auth-negotiate=none' '--enable-auth-ntlm=fake smb_lm' '--enable-storeio=diskd rock ufs aufs' '--enable-disk-io=AIO Blocking DiskDaemon IpcIo Mmapped DiskThreads' '--enable-log-daemon-helpers=file' '--enable-url-rewrite-helpers=fake' '--disable-ipv6' '--enable-ssl' '--with-openssl=/usr/local' '--enable-ssl-crtd' '--enable-htcp' '--enable-forw-via-db' '--disable-cache-digests' '--disable-wccp' '--enable-wccpv2' '--disable-ident-lookups' '--enable-ipfw-transparent' '--enable-pf-transparent' '--disable-ipf-transparent' '--enable-follow-x-forwarded-for' '--disable-ecap' '--enable-icap-client' '--disable-esi' '--enable-kqueue' '--with-large-files' '--with-filedescriptors=64000' '--with-aufs-threads=511' '--enable-err-languages=English' '--enable-default-err-language=English' '--disable-eui' '--disable-auto-locale' '--enable-http-violations' '--prefix=/usr/local' '--mandir=/usr/local/man' '--infodir=/usr/local/info/' '--build=amd64-portbld-freebsd9.1' 'build_alias=amd64-portbld-freebsd9.1' 'CC=cc' 'CFLAGS=-O2 -pipe -I/usr/local/include -fno-strict-aliasing' 'LDFLAGS= -pthread -Wl,-rpath=/usr/local/lib -L/usr/local/lib' 'CPPFLAGS=' 'CXX=c++' 'CXXFLAGS=-O2 -pipe -I/usr/local/include -fno-strict-aliasing' 'CPP=cpp' --enable-ltdl-convenience

and my squid.conf

cache_mem 512 MB
memory_replacement_policy heap GDSF
#memory_replacement_policy heap LRU
memory_cache_shared off
minimum_object_size 0 KB
#cache_replacement_policy heap GDSF
cache_replacement_policy heap LFUDA
maximum_object_size 512 KB
cache_swap_low 85
cache_swap_high 95
logfile_daemon /usr/local/libexec/squid/log_file_daemon
buffered_logs on
negative_ttl 15 seconds
positive_dns_ttl 6 hours
negative_dns_ttl 30 seconds
store_avg_object_size 26 KB
store_objects_per_bucket 30
read_ahead_gap 64 KB
request_header_max_size 64 KB
reply_header_max_size 64 KB
via off
request_entities on
forward_timeout 1 minutes
connect_timeout 15 seconds
peer_connect_timeout 10 seconds
read_timeout 3 minutes
write_timeout 3 minutes
request_timeout 30 seconds
client_idle_pconn_timeout 1 minutes
client_lifetime 1 hours
server_idle_pconn_timeout 1 minute
cache_effective_user squid
cache_effective_group squid
httpd_suppress_version_string on
client_persistent_connections off
query_icmp off
accept_filter httpready
dns_v4_first on
check_hostnames off
ipcache_size 65535
fqdncache_size 65535
max_filedescriptors 50000
memory_pools on
memory_pools_limit 50 MB
forwarded_for transparent
client_db off
http_port 10.10.1.1:3128 accel allow-direct ignore-cc
snmp_incoming_address 10.10.1.1
udp_incoming_address 10.10.1.1
icp_port 0
htcp_port 0
snmp_port 3401
cache_dir diskd /cache1/aufs-32k 8000 32 256 max-size=32768 Q1=100 Q2=128
cache_dir diskd /cache2/aufs-32k 8000 32 256 max-size=32768 Q1=100 Q2=128
cache_dir diskd /cache3/aufs-32k 8000 32 256 max-size=32768 Q1=100 Q2=128
cache_dir diskd /cache4/aufs-512k 32000 16 256 min-size=32769 max-size=524288 Q1=100 Q2=128

在 2013-1-29，上午11:34，Eliezer Croitoru <eliezer_at_ngtech.co.il> 写道：

> Hey,
>
> What exact version of 3.2+ are you using?
> What distro?
> squid.conf..
> Self compiled or from a Repo?
> squid build options from "squid -v"
>
> There is a problem but it's not enough basic data to even look at it.
> Squid 3.2+ was patched couple times and it might have been fixed in one of these patches.
>
> Regards,
> Eliezer
>
> On 1/29/2013 5:19 AM, 金 戈 wrote:
>> Greetings!
>> We use squid as a forward proxy for our project.Recently we found that one of the instance rebuilding a lot of times.
>> And we check the configure found all the instance use the same. But just this instance always rebuilding( about 3 ~ 4 times per day)
>> And we found the cache log has some thing below.
>>
>> 2013/01/29 09:56:40 kid1| ctx: enter level 0: 'http://bo.ok168.com/music/<CD><F4><CB><D5><E3><F1>/<BA><C3><B0><B2><BE><B2>.wma'
>> 2013/01/29 09:56:40 kid1| WARNING: unparseable HTTP header field {<h1><body bgcolor="red">Bad Request (Invalid Hostname)</body></h1>}
>>
>> #this is when i shutdown the instance.
>> 2013/01/29 10:03:38 kid1| Preparing for shutdown after 9796891 requests
>> 2013/01/29 10:03:38 kid1| Waiting 30 seconds for active connections to finish
>> 2013/01/29 10:03:38 kid1| Closing HTTP port 192.168.134.16:3128
>> 2013/01/29 10:03:38 kid1| Closing SNMP receiving port 192.168.134.16:3401
>> 2013/01/29 10:03:38 kid1| Shutdown: NTLM authentication.
>> 2013/01/29 10:03:38 kid1| Shutdown: Negotiate authentication.
>> 2013/01/29 10:03:38 kid1| Shutdown: Digest authentication.
>> 2013/01/29 10:03:38 kid1| Shutdown: Basic authentication.
>> 2013/01/29 10:03:38 kid1| assertion failed: errorpage.cc:608: "entry->isEmpty()"
Received on Tue Jan 29 2013 - 04:03:07 MST