hi squid developer:
we use squid-4.9 meet two questions：
(1)some request have timeout, not response to user data neither to
request upstream from log information.
(2)memory leak, now we need restart squid to release memory.
look forward to response.
1. log format
logformat logfmt_cdn [%{%Y-%m-%d:%H:%M:%S}tl.%03tu] %{X-Real-IP}>h %>a:%>p
%<a:%<p %rm %03>Hs %<st %>st HTTP/%>rv "%>rs://%>rd:%>rP" "%>rp" "%{Referer}>h"
"%{User-Agent}>h" %tr %<pt %03<Hs %Ss %Sh/%<A "%{Range}>h" "%{xxx-ComeFrom}>h"
"%{xxx-Origin-Domain}>h"
2. log infomation
[2020-06-01:10:59:40.346] 123.124.197.113 10.8.120.9:40680 -:- GET 206 396 740
HTTP/1.1 "http://download.xx.com:80"; "/xx_mac_install_1.0.0.114_s.dmg" "-"
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like
Gecko) Chrome/83.0.4103.61 Safari/537.36" 850826 - - TCP_MISS_ABORTED
HIER_NONE/- "bytes=25165824-25165824" "tcdn" "download.xx.com"
[2020-06-01:11:02:12.629] 123.124.197.113 10.8.120.10:49318 -:- GET 206 402 743
HTTP/1.1 "http://download.xx.com:80"; "/xx_mac_install_1.0.0.114_s.dmg" "-"
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like
Gecko) Chrome/83.0.4103.61 Safari/537.36" 850299 - - TCP_MISS_ABORTED
HIER_NONE/- "bytes=48234496-49283071" "tcdn" "download.xx.com"
3. topology
origin site <--- [squid <- nginx] <--- bussiness cdn <--- users
4. config files
squid.conf
coredump_dir /var/spool/squid
pid_filename /var/run/squid.pid
httpd_suppress_version_string on
via off
cache_effective_user squid
cache_effective_group squid
max_filedescriptors 65535
cache_swap_low 90
cache_swap_high 95
minimum_object_size 0 KB
maximum_object_size 200 MB
acl urlpath_QUERY urlpath_regex -i cgi-bin \? \.php \.xml
no_cache deny urlpath_QUERY
# acl urlpath_denyssl urlpath_regex -i ^https:\\
# no_cache deny urlpath_denyssl
logformat logfmt_cdn [%{%Y-%m-%d:%H:%M:%S}tl.%03tu] %{X-Real-IP}>h %>a:%>p
%<a:%<p %rm %03>Hs %<st %>st HTTP/%>rv "%>rs://%>rd:%>rP" "%>rp" "%{Referer}>h"
"%{User-Agent}>h" %tr %<pt %03<Hs %Ss %Sh/%<A "%{Range}>h" "%{EEO-ComeFrom}>h"
"%{xxx-Origin-Domain}>h"
acl nolog_url url_regex -i cache_object
cache_log /data/cache.log
cache_store_log none
logfile_rotate 1
quick_abort_min 512 KB
quick_abort_max 512 KB
quick_abort_pct 80
range_offset_limit -1
reload_into_ims on
# collapsed_forwarding on
client_db off
dns_v4_first on
dns_nameservers 127.0.0.1
dns_retransmit_interval 0.01 second
dns_timeout 0.01 second
dns_defnames off
ignore_unknown_nameservers on
ipcache_size 10240
ipcache_low 90
ipcache_high 95
fqdncache_size 1024
positive_dns_ttl 365 days
negative_dns_ttl 365 days
peer_connect_timeout 30 seconds
connect_timeout 10 minutes
client_idle_pconn_timeout 10 minutes
server_idle_pconn_timeout 10 minutes
client_persistent_connections on
server_persistent_connections off
half_closed_clients off
request_entities off
reply_header_access Server deny all
reply_header_access X-Cache-Lookup deny all
include /etc/squid/upstream.conf
include /etc/squid/node.conf
upstream.conf
acl dstdomain_www.xxx.com dstdomain www.xxx.com
cache_peer_access peer2www1 allow dstdomain_ www.xxx.com
cache_peer_access peer2www1 deny all
cache_peer_access peer2www2 allow dstdomain_ www.xxx.com
cache_peer_access peer2www2 deny all
access_log daemon:/data/squid/ www.xxx.com_all.access.log logfmt_cdn dstdomain_
www.xxx.com !nolog_url
node.conf
workers 6
hopeless_kid_revival_delay 1 year
cpu_affinity_map process_numbers=1,2,3,4,5,6 cores=1,3,5,7,9,11
cache_mem 60 GB
maximum_object_size_in_memory 100 MB
cache_dir rock /data1/squid/cache1 400000 max-size=204800000
cache_peer 10.1.1.13 parent 61160 0 no-query no-digest no-netdb-exchange
originserver forceddomain=www.xxx.com name=peer2www1 round-robin weight=1
connect-fail-limit=3
cache_peer 10.1.1.14 parent 61160 0 no-query no-digest no-netdb-exchange
originserver forceddomain=www.xxx.com name=peer2www2 round-robin weight=1
connect-fail-limit=3
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