{"id":55407,"date":"2020-01-20T00:00:00","date_gmt":"2020-01-19T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/nginx-kak-pobedit-response_status-0"},"modified":"2020-02-18T14:03:31","modified_gmt":"2020-02-18T11:03:31","slug":"nginx-kak-pobedit-response_status-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/nginx-kak-pobedit-response_status-0","title":{"rendered":"[Nginx] \u041a\u0430\u043a \u043f\u043e\u0431\u0435\u0434\u0438\u0442\u044c response_status = 0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Artikuj nga seria \"sh\u00ebnime n\u00eb margjinat\".<\/p>\n

TL:DR:<\/b><\/p>\n

http2_max_field_size 8k; # do t'ju shp\u00ebtoj\u00eb!<\/code><\/pre>\n
N\u00eb nj\u00eb nga projektet, pas ndryshimit t\u00eb logjik\u00ebs s\u00eb brendshme t\u00eb backend-it, fillova t\u00eb v\u00eb re nj\u00eb kod p\u00ebrgjigje t\u00eb \u00e7uditsh\u00ebm n\u00eb logje, konkretisht \u2014 0. N\u00eb logje duket pak a shum\u00eb k\u00ebshtu:<\/p>\n
{\n  \"timestamp\": \"2020-01-17T08:41:51+00:00\",\n  \"remote_addr\": \"zzz.zzz.zzz.zzz\",\n  \"request_time\": 0,\n  \"upstream_response_time\": \"\",\n  \"upstream_header_time\": \"\",\n  \"http_accept_language\": \"-language\",\n  \"response_status\": 0,\n  \"request\": \"\",\n  \"host\": \"example.com\",\n  \"upstream_addr\": \"\",\n  \"http_referrer\": \"\",\n  \"request_length\": 5854,\n  \"bytes_sent\": 0,\n  \"http_user_agent\": \"\"\n}\n<\/code><\/pre>\n
<\/a><\/noindex>
\nLeximi i dokumentacionit dhe k\u00ebrkimi n\u00eb Google p\u00ebr k\u00ebt\u00eb tem\u00eb nuk solli asgj\u00eb \u2014 pasi \u00ebsht\u00eb th\u00ebn\u00eb se nj\u00eb sjellje e till\u00eb ndodh kur klienti mbyll lidhjen pa d\u00ebrguar kokat. Dhe ka edhe eksotika t\u00eb ndryshme me madh\u00ebsin\u00eb e buffer-it p\u00ebr wsgi_, q\u00eb n\u00eb rastin ton\u00eb nuk ishte aspak e p\u00ebrshtatshme.<\/p>\n
N\u00eb p\u00ebrgjith\u00ebsi, vendos\u00ebm se problemi \u2014 nuk \u00ebsht\u00eb problem, duke pasur parasysh q\u00eb p\u00ebr volumin ton\u00eb, nuk ishte aspak kritik.<\/p>\n
Sakt\u00ebsisht deri n\u00eb momentin kur m\u00eb shqet\u00ebsoi nj\u00eb problem tjet\u00ebr: n\u00eb disa raste lidhjet hapen pa probleme p\u00ebr http, por refuzojn\u00eb t\u00eb punojn\u00eb p\u00ebr https, duke dh\u00ebn\u00eb nj\u00eb mesazh t\u00eb mrekulluesh\u00ebm: Connection #0 to host example.com left intact
\ncurl: (52) P\u00ebrgjigje e zbraz\u00ebt nga serveri<\/p>\n
N\u00eb logje, ndjekja e k\u00ebsaj gj\u00ebje arriti vet\u00ebm p\u00ebrmes IP-s\u00eb \u2014 asnj\u00eb k\u00ebrkes\u00eb, asnj\u00eb t\u00eb dh\u00ebn\u00eb tjet\u00ebr, si\u00e7 duket nga shembulli m\u00eb sip\u00ebr \u2014 nuk ka. Vet\u00ebm statusi i njohur 0, por un\u00eb e di q\u00eb k\u00ebrkes\u00ebn nuk e nd\u00ebrpreva! Fillova t\u00eb kontrolloj se \u00e7far\u00eb mund t\u00eb ket\u00eb shkuar keq. Doli shum\u00eb e thjesht\u00eb:<\/p>\n
listen 443 ssl<\/a> http2<\/b> backlog=8192;<\/i><\/p>\n
Pra, n\u00ebse p\u00ebrdorni http2 p\u00ebr lidhjet ssl, nuk mjafton vet\u00ebm t\u00eb konfigurosh bufferat e k\u00ebrkes\u00ebs, duhet t'i konfigurosh edhe n\u00eb ngx_http_v2_module, konkretisht:<\/p>\n
Sintaksa:\thttp2_max_field_size madh\u00ebsia;\nDefault:\thttp2_max_field_size 4k;\nKonteksti:\thttp, server\n<\/code><\/pre>\n
\nKufizon madh\u00ebsin\u00eb maksimale t\u00eb kok\u00ebs s\u00eb k\u00ebrkes\u00ebs, t\u00eb kompresuar me HPACK. Kufizimi zbatohet n\u00eb m\u00ebnyr\u00eb t\u00eb barabart\u00eb p\u00ebr emrin dhe vler\u00ebn. N\u00ebse p\u00ebrdoret kodimi i Huffman, madh\u00ebsia faktike e vargjeve t\u00eb zbuluara t\u00eb emrit dhe vler\u00ebs mund t\u00eb jet\u00eb m\u00eb e madhe. Kufizimi i paracaktuar \u00ebsht\u00eb i p\u00ebrshtatsh\u00ebm p\u00ebr shumic\u00ebn e k\u00ebrkesave.<\/i><\/p>\n
N\u00eb p\u00ebrgjith\u00ebsi, kjo ishte arsyeja. Pse? Sepse gjat\u00ebsi e lidhjes ishte e madhe \u2014 m\u00eb shum\u00eb se 4k.<\/p>\n
Duke e vendosur at\u00eb n\u00eb, p\u00ebr shembull, 8kb (ose aq sa t\u00eb mjaftoj\u00eb) \u2014 e zgjidhim problemin.
\nK\u00ebto jan\u00eb gj\u00ebrat.
\n
Burimi: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"
\u0421\u0442\u0430\u0442\u044c\u044f \u0438\u0437 \u0440\u0430\u0437\u0440\u044f\u0434\u0430 \u00ab\u0437\u0430\u043c\u0435\u0442\u043a\u0438 \u043d\u0430 \u043f\u043e\u043b\u044f\u0445\u00bb. TL:DR: http2_max_field_size 8k; # \u0432\u0441\u0435\u0445 \u0441\u043f\u0430\u0441\u0435\u0442! \u041d\u0430 \u043e\u0434\u043d\u043e\u043c \u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u043e\u0432, \u043f\u043e\u0441\u043b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u0435\u0439 \u043b\u043e\u0433\u0438\u043a\u0438 \u0431\u0435\u043a\u0435\u043d\u0434\u0430, \u043d\u0430\u0447\u0430\u043b \u043d\u0430\u0431\u043b\u044e\u0434\u0430\u0442\u044c \u0441\u0442\u0440\u0430\u043d\u043d\u044b\u0439 response_code \u0432 \u043b\u043e\u0433\u0430\u0445, \u0430 \u0438\u043c\u0435\u043d\u043d\u043e \u2014 0. \u0412 \u043b\u043e\u0433\u0430\u0445 \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e \u0442\u0430\u043a: { "timestamp": "2020-01-17T08:41:51+00:00", "remote_addr": "zzz.zzz.zzz.zzz", "request_time": 0, "upstream_response_time": "", "upstream_header_time": "", "http_accept_language": "-language", "response_status": 0, "request": "", "host": […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-55407","post","type-post","status-publish","format-standard","hentry","category-administrirovanie"],"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\udd47[Nginx] \u041a\u0430\u043a \u043f\u043e\u0431\u0435\u0434\u0438\u0442\u044c response_status = 0 | ProHoster","description":"Nj\u00eb artikull nga kategoria \"sh\u00ebnime n\u00eb margjinat\". 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