?????????????锟�?2??
???????????? ???????[ 2013/9/3 16:25:03 ] ????????
????????????????nginx+php??fastcgi????????php-fpm.conf?????械????????????????????????nginx?phpcgi?????????????????????unix socket????????fastcgi协????????效????????127.0.0.1?????????????????08?????????????????Dell 2960??16G??妫�????????????瑁�????????????900qps???????6000qps???????????fastcgi协????????unix socket???????????????spawn-fcgi????????????????????phpcgi??????????php-fpm?械?????????????????????????????
???????nginx??php-fpm??????????????????????????fastcgi_keepalive??????????nginx?fastcgi???????????????????效???
????nginx+php-fpm??????????????????澹琻ginx??status????php-fpm??status??????????????nginx????????????????php-fpm??status??????????????php-fpm??????????????????????????????????????nagios???????????????????????“??????”??
????php-fpm.conf???????谢??屑???????????????????????????????????????? pm.max_requests???????php-slow log???????slow log ?????php?????????????????????????????校?php???????????????rsyslog???写??????蟹?????????????????????php??????????
????php???????????????????锟�??锌??????????????????????????????????????redis???????????????????????????????sysctl.conf?????timestamps=1 ???? tw_reuse/tw_recycle?????????卸????????????????????????????????????haproxy??????????????
??????????婕�??????????????php????????????????????????????????php-fpm??????????php????????????贸????????????????php-fpm??????????????php???????写??????
???????????????MySQL????????MHA+keepalived??????????????????????????????????????????5.6???掳?MySQL???????眉?????????????????MySQL??????????????????????胁??????MHA???????????????????MHA???谢???????MySQL binlog????????校??????????????????????????????????械?????纾�????????????谢?????????????????????????????????????????06???????sina?????????Trust DMM?????????? DNS??MON???????写?????????MySQL??????????????????????????????????谢??????binlog???????????????????????????????????????????????????????????????????????榉�??????????????霉?sina???????????
??????????????????DBA??????????????e???????榘�???????SQL????????MySQL??????????????????????????????????????械?????????????????????????效??????????????????????????????????????????DBA??????????????percona????????????????????????????????????????
????MySQL????????????????numa????锟�?????????????????效???????numactl???????械???????????percona??MySQL?姹�????????? memlock?????MySQL??Innodb????????????????????swap??
????MySQL?????????????????????娲�???娌�??渭??????????????Innodb???妫�??????写???????????????Myisam???妫�?????????????????谩?????????????????????????????????Myisam?????????????????Myisam???????????????????????????????????锟�???????????效?????????myisam_use_mmap????????????MySQL??myisam??data????mmap??????校??????????效??????????mysiam??????????
????????????????????????榉�?????????????????????????????“delete from table”???”update table set xxx=yyyy”????where??????????????????y????械?????????????????????????????????DBA??????????????????????????????? sql_safe_updates=1????????????????写my.cnf?械????????mysql?????console???????谩?
?????????????????Redis???DB????????????????IDC?????????????????????????Redis???????????????????????婊�????卸????????????? Redis2.8?掳姹緋sync??????????????????????????????twemproxy?????????????php???????????????unix socket??php???phpredis???????????????效????????????????temwproxy???泻?????????????????????hash??cache???????????效?????cache???????????????redis?????????????????????泄????redis??
????????????IDC?????娲�??Cache??????????????????????CDN???????????4???????????????1.5G????????????????????IDC?娲�????+SQUID disk cache?娲�??????????????IDC??????????妫�???????SQUID disk cache?????????HA??????????Varnish cache??????????????????????????work around??????squid cache??????????????????????????????????????varnish??????????????????????????????????????????????varnish???????????锟�????些?????????????????????NFILES / VARNISH_MAX_THREADS / nuke_limit ???
???????????????????????????????????????????????椋�????????????rsyslog?????????????rsyslog???????????????贸?????????路???慰?6??
?????????些??????????????????????????????????????些????????????????
?????????????????????位????????????????????卸?????????????????????????????????????????????????????????????妫�?????????????危??????????????????????????????????????????????????????????????????????????蔚????????????????锟�????????????????危???些????????些???????
??????????????????????????????小?????????????????????????????????????????????????????????????????些????? ????????????小???????????? ????????????????????????椋�??????????????????????????????????????????????????????????????????????????????????????“???????????”???????????
???????????????????????效????些??????????????????????????????????????????????????????????????????10w?????????0??10w???????????????????????蔚?????????????100w??????/???????????
??????

???路???
??????????????????
2023/3/23 14:23:39???写?貌??????????
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