Hi, squid-user In my test , Apache is much more faster than squid when there are about 30Mbps load. brief result: -->large file download testing (10M and 40M) -->Current load: 15Mbps (squid service) -->IOwait: 6% -->test result: (same box, same environment) Apache: 60~70Mbytes/s Squid: 700~900Kbytes/s (HIT from squid cache) Detail information listed below. ---------------------------------------------------------------------------- -------------------- ->Hi, squid-users: -> ->I have met a slow download problem of squid , would anybody like to tell me what’s ->the matter with my squid Or is there any way to resolve this problem ? -> ->Squid info: -> ->[root@CHN-SH-3-341 ~]# squid -v ->Squid Cache: Version 2.5.STABLE12 ->configure options: --prefix=/usr/local/squid --enable-epoll --disable-ident-lookups ->--enable-async-io=160 --enable-storeio=ufs,aufs,diskd --enable-snmp ->--enable-cache-digests --enable-useragent-log --enable-referer-log ->--enable-kill-parent-hack --enable--internal-dns ->---------------------------------------------- -> -> ->squid.conf: -> ->http_port 80 ->icp_port 0 ->acl httpmp3 url_regex -i ^http://.*\.mp3$ ->no_cache deny httpmp3 ->acl httpwmv url_regex -i ^http://.*\.wmv$ ->no_cache deny httpwmv ->acl httprm url_regex -i ^http://.*\.rm$ ->no_cache deny httprm -> cache_mem 1768 MB -> cache_swap_low 70 -> cache_swap_high 80 ->maximum_object_size 204800 KB ->minimum_object_size 0 KB ->maximum_object_size_in_memory 102400 KB -> cache_replacement_policy lru -> memory_replacement_policy lru ->cache_dir diskd /data/cache1 28000 16 256 ->cache_dir diskd /data/cache2 28000 16 256 ->logformat squid_custom_log %ts.%03tu %6tr %>a %Ss/%03Hs %<st %rm %ru ->%un %Sh/%<A %mt "%{Referer}>h" "%{User-Agent}>h" "%{Cookie}>h" ->cache_access_log /data/proclog/log/squid/access.log squid_custom_log ->cache_log /data/proclog/log/squid/cache.log ->cache_store_log none ->pid_filename /var/run/squid.pid -> hosts_file /etc/hosts -> diskd_program /usr/local/squid/libexec/diskd -> unlinkd_program /usr/local/squid/libexec/unlinkd -> -> ->refresh_pattern -i ^http://player.toodou.com.* 2073600 100% 2073600 ->ignore-reload ->refresh_pattern -i ^http://www.blogcn.com.* 1440 50% 1440 ->refresh_pattern -i ^http://images.blogcn.com.* 1440 50% 1440 ->refresh_pattern -i ^http://female.blogcn.com.* 1440 50% 1440 ->refresh_pattern -i ^http://img.365ren.com.* 720 100% 720 ->refresh_pattern -i ^http://cfs1.365ren.com.* 720 100% 720 ->refresh_pattern -i ^http://cafe-img.365ren.com.* 720 100% 720 ->refresh_pattern -i ^http://cafe-cfs1.365ren.com.* 720 100% 720 ->refresh_pattern -i ^http 60 0% 60 ignore-reload ->collapsed_forwarding on ->refresh_stale_hit 0 minute ->request_timeout 30 seconds -> persistent_request_timeout 3 seconds -> pconn_timeout 60 seconds ->acl all src 0.0.0.0/0.0.0.0 ->acl manager proto cache_object ->acl localhost src 127.0.0.1/255.255.255.255 ->acl to_localhost dst 127.0.0.0/8 ->acl SSL_ports port 443 563 ->acl Safe_ports port 80 # http ->acl Safe_ports port 21 # ftp ->acl Safe_ports port 443 563 # https, snews ->acl Safe_ports port 70 # gopher ->acl Safe_ports port 210 # wais ->acl Safe_ports port 1025-65535 # unregistered ports ->acl Safe_ports port 280 # http-mgmt ->acl Safe_ports port 488 # gss-http ->acl Safe_ports port 591 # filemaker ->acl Safe_ports port 777 # multiling http ->acl CONNECT method CONNECT ->acl monitor src 192.168.1.0/255.255.255.0 ->http_access allow manager ->http_access allow manager monitor ->http_access deny manager ->acl PURGE method PURGE ->http_access allow PURGE localhost ->http_access deny purge ->acl snmppublic snmp_community public ->snmp_access allow snmppublic localhost ->http_access deny !Safe_ports ->http_access deny CONNECT !SSL_ports ->http_access allow all ->http_reply_access allow all -> cache_mgr squid@xxxxxxxxxxxxxx -> cache_effective_user squid -> cache_effective_group squid ->visible_hostname CHN-SH-3-341 ->httpd_accel_host virtual ->httpd_accel_port 80 ->httpd_accel_single_host off ->httpd_accel_with_proxy off ->httpd_accel_uses_host_header on ->dns_testnames original1.chinacache.com original2.chinacache.com -> logfile_rotate 0 -> ->cachemgr_passwd test4squid config -> store_avg_object_size 20 KB ->client_db off ->header_access X-Cache-Lookup deny all ->snmp_port 3401 ->acl snmppublic snmp_community public -> client_persistent_connections off -> server_persistent_connections off ->vary_ignore_expire on ->strip_query_terms off ->negative_ttl 0 minute ->dns_retransmit_interval 10 seconds ->store_dir_select_algorithm round-robin ->dns_timeout 2 minute ->negative_dns_ttl 1 minute ->connect_timeout 30 seconds ->read_timeout 15 minutes -> ->-------------------------------------------------------------------------- - -> ->Test information: (all test was done to the same box, ) -> ->Squid with 80 port: -> ->[root@CHN-SH-3-571 ~]# wget -SO test ->http://player.toodou.com/flv/001/126/216/1126216.flv ->--18:56:54-- http://player.toodou.com/flv/001/126/216/1126216.flv -> => `test' ->Resolving player.toodou.com... 192.168.1.131 ->Connecting to player.toodou.com|192.168.1.131|:80... connected. ->HTTP request sent, awaiting response... -> HTTP/1.0 200 OK -> Date: Fri, 14 Jul 2006 05:45:42 GMT -> Content-Length: 42254194 -> Content-Type: application/octet-stream -> ETag: "-1897917552" -> Last-Modified: Wed, 12 Jul 2006 11:34:09 GMT -> Server: Microsoft-IIS/6.0 -> X-Cache: HIT from origin-player.toodou.com -> Via: 1.0 CHN-SH-4-912 (NetCache NetApp/5.5R5D8), 1.1 CHN-SH-3-911 ->(NetCache NetApp/6.0.3) -> Age: 39548 -> X-Cache: HIT from CHN-SH-3-341 -> Connection: close ->Length: 42,254,194 (40M) [application/octet-stream] -> ->100%[============================================== ->=====================>] 42,254,194 1.19M/s ETA 00:00 -> ->18:57:09 (2.76 MB/s) - `test' saved [42254194/42254194] -> -> ->Squid with 8081 port: -> ->[root@CHN-SH-3-571 ~]# wget -SO test ->http://player.toodou.com:8081/flv/001/126/216/1126216.flv ->--19:07:56-- http://player.toodou.com:8081/flv/001/126/216/1126216.flv -> => `test' ->Resolving player.toodou.com... 192.168.1.131 ->Connecting to player.toodou.com|192.168.1.131|:8081... connected. ->HTTP request sent, awaiting response... -> HTTP/1.0 200 OK -> Date: Fri, 14 Jul 2006 05:45:42 GMT -> Content-Length: 42254194 -> Content-Type: application/octet-stream -> ETag: "-1897917552" -> Last-Modified: Wed, 12 Jul 2006 11:34:09 GMT -> Server: Microsoft-IIS/6.0 -> X-Cache: HIT from origin-player.toodou.com -> Via: 1.0 CHN-SH-4-912 (NetCache NetApp/5.5R5D8), 1.1 CHN-SH-3-911 ->(NetCache NetApp/6.0.3) -> Age: 40210 -> X-Cache: HIT from CHN-SH-3-341 -> Connection: close ->Length: 42,254,194 (40M) [application/octet-stream] -> ->100%[============================================== ->=====================>] 42,254,194 1.26M/s ETA 00:00 -> ->19:08:10 (2.85 MB/s) - `test' saved [42254194/42254194] -> -> ->Apache with 8080 port: -> -> ->[root@CHN-SH-3-571 ~]# wget -SO test ->http://player.toodou.com:8080/1126216.flv ->--19:25:45-- http://player.toodou.com:8080/1126216.flv -> => `test' ->Resolving player.toodou.com... 192.168.1.131 ->Connecting to player.toodou.com|192.168.1.131|:8080... connected. ->HTTP request sent, awaiting response... -> HTTP/1.1 200 OK -> Date: Sun, 16 Jul 2006 11:25:45 GMT -> Server: Apache/2.0.52 (Red Hat) -> Last-Modified: Sun, 16 Jul 2006 10:33:34 GMT -> ETag: "2bd0f-284bf72-7212fb80" -> Accept-Ranges: bytes -> Content-Length: 42254194 -> Connection: close -> Content-Type: text/plain; charset=UTF-8 ->Length: 42,254,194 (40M) [text/plain] -> ->100%[============================================== ->=====================>] 42,254,194 57.04M/s -> ->19:25:46 (57.01 MB/s) - `test' saved [42254194/42254194] -> -> ->Best Regards, ->Adam -> -> -> -> -> -> 程冬 Adam Cheng -> 网络运行维护部/Network Support & Maintenance -> Tel: (86-10) 64373399-802 -> Fax: (86-10) 64374251 -> Email: adam.cheng@xxxxxxxxxxxxxx -> Http://www.chinacache.com ->===================================== -> 北京蓝汛通信技术有限责任公司 -> 北京市朝阳区酒仙桥中路10号星科大厦A座6层 -> 邮编：100016 -> 6th Floor, Tower A, Galaxy Building, -> No.10 Jiuxianqiao Zhonglu, Chaoyang District, -> Beijing 100016 P.R China ->===================================== -> -> ->
