{"id":105117,"date":"2022-09-16T15:36:39","date_gmt":"2022-09-16T13:36:40","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/cloudflare-pereshyol-s-nginx-na-sobstvennyj-prokci-pingora-napisannyj-na-yazyke-rust"},"modified":"2022-09-16T15:36:39","modified_gmt":"2022-09-16T13:36:40","slug":"cloudflare-pereshyol-s-nginx-na-sobstvennyj-prokci-pingora-napisannyj-na-yazyke-rust","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/cloudflare-pereshyol-s-nginx-na-sobstvennyj-prokci-pingora-napisannyj-na-yazyke-rust","title":{"rendered":"Cloudflare a trecut de la NGINX la propriul s\u0103u proxy Pingora, scris \u00een Rust.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Compania Cloudflare a anun\u021bat migrarea re\u021belei sale de livrare a con\u021binutului la utilizarea proxy-ului Pingora, scris \u00een limbajul Rust. Noul proxy a \u00eenlocuit configura\u021bia bazat\u0103 pe serverul NGINX cu scripturi Lua \u0219i proceseaz\u0103 peste un trilion de cereri pe zi. Se remarc\u0103 faptul c\u0103 trecerea la un proxy specializat a permis nu doar implementarea de noi func\u021bionalit\u0103\u021bi \u0219i cre\u0219terea securit\u0103\u021bii printr-o gestionare sigur\u0103 a memoriei, ci a dus \u0219i la o cre\u0219tere semnificativ\u0103 a performan\u021bei \u0219i economii de resurse \u2014 solu\u021bia bazat\u0103 pe Pingora nu necesit\u0103 utilizarea Lua, astfel consum\u00e2nd cu 70% mai pu\u021bine resurse CPU \u0219i cu 67% mai pu\u021bin\u0103 memorie \u00een procesarea acelora\u0219i volume de trafic. <\/p>\n

O lung\u0103 perioad\u0103 de timp, sistemul de proxy pentru trafic \u00eentre utilizatori \u0219i destina\u021bii finale servers<\/a> bazat pe NGINX \u0219i scripturi Lua a satisf\u0103cut nevoile Cloudflare, dar odat\u0103 cu cre\u0219terea re\u021belei \u0219i complexit\u0103\u021bii sale, o solu\u021bie universal\u0103 s-a dovedit a fi insuficient\u0103 at\u00e2t din punct de vedere al performan\u021bei, c\u00e2t \u0219i din cauza limit\u0103rilor \u00een scalabilitate \u0219i implementarea de noi func\u021bionalit\u0103\u021bi pentru clien\u021bi. \u00cen special, au ap\u0103rut dificult\u0103\u021bi \u00een ad\u0103ugarea de func\u021bionalit\u0103\u021bi care dep\u0103\u0219esc simpla func\u021bie de gateway \u0219i de echilibrarea a sarcinii. De exemplu, a ap\u0103rut necesitatea de a redirec\u021biona cererile \u00een cazul unei erori de procesare serverul<\/a> c\u0103tre un alt server, furniz\u00e2nd un alt set de antete HTTP. <\/p>\n

\u00cen locul arhitecturii care separa cererile \u00een procese de manipulare distincte (worker), Pingora utilizeaz\u0103 un model multi-threaded, care \u00een scenariile de utilizare ale Cloudflare (concentrarea mare a traficului de pe diferite site-uri cu un mare deviere statistic\u0103) a ar\u0103tat o distribu\u021bie mai eficient\u0103 a resurselor \u00eentre nucleele CPU. \u00cen special, alocarea cererilor nesolicitate c\u0103tre procesele din nginx ducea la o sarcin\u0103 dezechilibrat\u0103 asupra nucleelor CPU, rezult\u00e2nd \u00een cereri consumatoare de resurse \u0219i intr\u0103ri-iedare blocate care \u00eencetinau procesarea altor cereri. \u00cen plus, alocarea unui pool de conexiuni c\u0103tre procesele de manipulare nu permitea reutilizarea conexiunilor deja stabilite de alte procese de manipulare, ceea ce reduce eficien\u021ba \u00een condi\u021bii de mare num\u0103r de procese de manipulare. <\/p>\n

NGINX:

\"Cloudflare<\/center> <\/p>\n

Pingora:

\"Cloudflare<\/center> <\/p>\n

Implementarea Pingora a redus de 160 de ori num\u0103rul opera\u021biunilor de instalare a noilor conexiuni \u0219i a crescut propor\u021bia cererilor reutilizate de la 87,1% la 99,92%. Pe l\u00e2ng\u0103 reducerea reconexiunilor \u0219i utilizarea mai eficient\u0103 a nucleelor CPU, \u00eembun\u0103t\u0103\u021birii performan\u021bei noului proxy i-a contribuit \u00een principal eliminarea handler-elor lente scrise \u00een Lua utilizate cu nginx. <\/p>\n

Limbajul Rust a fost ales pentru a asigura o performan\u021b\u0103 \u00eenalt\u0103 combinat\u0103 cu metode pentru a garanta o utilizare sigur\u0103 a memoriei. Se men\u021bioneaz\u0103 c\u0103, \u00een ciuda calific\u0103rii ridicate a inginerilor Cloudflare \u0219i a revizuirilor codului scris \u00een limbajul C, nu s-au putut evita erorile care duc la probleme de memorie (de exemplu, vulnerabilitatea din parserul HTML). \u00cen ceea ce prive\u0219te noul cod, sunt prezentate cazuri de erori \u00een Pingora, cauzate nu de probleme ale aplica\u021biei, ci de erori \u00een nucleul Linux \u0219i de defec\u021biuni hardware. <\/p>\n

De asemenea, merit\u0103 men\u021bionat comentariul lui Linus Torvalds privind includerea suportului pentru limbajul Rust \u00een nucleul Linux, expus la conferin\u021ba Open-Source Summit Europe care are loc \u00een aceste zile. \u00cen nucleul 6.0, patch-urile pentru dezvoltarea driverelor de dispozitive \u00een limbajul Rust nu au fost incluse, dar, conform lui Linus, acestea ar putea fi acceptate \u00een nucleul 6.1; nu are inten\u021bia de a \u00eent\u00e2rzia integrarea. Ca motiv pentru ad\u0103ugarea suportului pentru Rust, pe l\u00e2ng\u0103 impactul pozitiv asupra securit\u0103\u021bii, Linus men\u021bioneaz\u0103 \u0219i capacitatea de a cre\u0219te interesul pentru dezvoltarea nucleului de c\u0103tre participan\u021bi noi, ceea ce este relevant \u00een contextul \u00eemb\u0103tr\u00e2nirii vechilor membri.
\n
Sursa: opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cloudflare \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0435 \u0441\u0432\u043e\u0435\u0439 \u0441\u0435\u0442\u0438 \u0434\u043e\u0441\u0442\u0430\u0432\u043a\u0438 \u043a\u043e\u043d\u0442\u0435\u043d\u0442\u0430 \u043d\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u0440\u043e\u043a\u0441\u0438 Pingora, \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043d\u043e\u0433\u043e \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Rust. \u041d\u043e\u0432\u044b\u0439 \u043f\u0440\u043e\u043a\u0441\u0438 \u0437\u0430\u043c\u0435\u043d\u0438\u043b \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044e \u043d\u0430 \u0431\u0430\u0437\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u0430 NGINX \u0441 Lua-\u0441\u043a\u0440\u0438\u043f\u0442\u0430\u043c\u0438, \u0438 \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0431\u043e\u043b\u0435\u0435 \u0442\u0440\u0438\u043b\u043b\u0438\u043e\u043d\u0430 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0432 \u0434\u0435\u043d\u044c. \u041e\u0442\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u043f\u0435\u0440\u0435\u0445\u043e\u0434 \u043d\u0430 \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043f\u0440\u043e\u043a\u0441\u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u043b \u043d\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c \u043d\u043e\u0432\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0438 \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u044c \u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u043e\u0441\u0442\u044c \u0437\u0430 \u0441\u0447\u0451\u0442 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0439 \u0440\u0430\u0431\u043e\u0442\u044b \u0441 \u043f\u0430\u043c\u044f\u0442\u044c\u044e, […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":105118,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-105117","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Cloudflare a trecut de la NGINX la propriul s\u0103u proxy Pingora, scris \u00een limbajul Rust | ProHoster","description":"Compania Cloudflare a anun\u021bat migrarea re\u021belei sale de livrare a con\u021binutului pentru a utiliza proxy-ul Pingora, scris \u00een limbajul 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