{"id":55519,"date":"2020-01-22T00:00:00","date_gmt":"2020-01-21T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/dlya-btrfs-predstavlena-asinhronnaya-realizatsiya-discard"},"modified":"2020-02-18T14:03:38","modified_gmt":"2020-02-18T11:03:38","slug":"dlya-btrfs-predstavlena-asinhronnaya-realizatsiya-discard","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/dlya-btrfs-predstavlena-asinhronnaya-realizatsiya-discard","title":{"rendered":"P\u00ebr Btrfs \u00ebsht\u00eb paraqitur nj\u00eb realizim asinkron i DISCARD","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

P\u00ebr sistemin e skedar\u00ebve btrfs \u00ebsht\u00eb paraqitur<\/a><\/noindex> nj\u00eb realizim asinkron i operacionit DISCARD (sh\u00ebnimi i bllokave t\u00eb lir\u00eb, t\u00eb cilat tashm\u00eb nuk mund t\u00eb ruhen fizikisht), realizuar nga inxhinier\u00ebt e kompanis\u00eb Facebook.<\/p>\n

Thelbi i problemit: n\u00eb realizimin origjinal t\u00eb DISCARD, ai ekzekutohet n\u00eb m\u00ebnyr\u00eb sinkrone me operacionet e tjera, gj\u00eb q\u00eb n\u00eb disa raste \u00e7on n\u00eb probleme performance, pasi duhet t\u00eb presin p\u00ebr p\u00ebrfundimin e komandave p\u00ebrkat\u00ebse nga ana e ruajt\u00ebsve, \u00e7ka k\u00ebrkon koh\u00eb shtes\u00eb. Kjo mund t\u00eb b\u00ebhet nj\u00eb problem n\u00eb rast se realizimi i DISCARD nga ruajt\u00ebsi funksionon ngadal\u00eb. <\/p>\n

Me zbatimin asinkron, nuk \u00ebsht\u00eb e nevojshme t\u00eb pritet p\u00ebr p\u00ebrfundimin e DISCARD nga disku gjat\u00eb funksionimit normal t\u00eb sistemit t\u00eb skedar\u00ebve, duke e \u00e7liruar k\u00ebt\u00eb problem dhe duke e kaluar k\u00ebt\u00eb operacion n\u00eb kategorin\u00eb e fondeve. Zbatimi i paraqitur gjithashtu realizon disa optimizime. P\u00ebr shembull, ai pret nj\u00eb koh\u00eb t\u00eb caktuar p\u00ebr arsye se blloku mund t\u00eb p\u00ebrdoret s\u00eb shpejti, k\u00ebshtu q\u00eb nuk do t\u00eb ket\u00eb asnj\u00eb kuptim n\u00eb kryerjen e procedur\u00ebs DISCARD, dhe gjithashtu p\u00ebrpiqet t\u00eb bashkoj\u00eb rajonet deri n\u00eb kryerjen efektive t\u00eb DISCARD p\u00ebr t\u00eb zvog\u00ebluar numrin e p\u00ebrgjithsh\u00ebm t\u00eb operacioneve.<\/p>\n

<\/a><\/noindex><\/p>\n

Burimi: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u043b\u044f \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b btrfs \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u0430\u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u0430\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 DISCARD (\u043f\u043e\u043c\u0435\u0442\u043a\u0430 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d\u043d\u044b\u0445 \u0431\u043b\u043e\u043a\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0443\u0436\u0435 \u043c\u043e\u0436\u043d\u043e \u043d\u0435 \u0445\u0440\u0430\u043d\u0438\u0442\u044c \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u0438), \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u0430\u043c\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Facebook. \u0421\u0443\u0442\u044c \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b: \u0432 \u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 DISCARD \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u043e \u0441 \u043e\u0441\u0442\u0430\u043b\u044c\u043d\u044b\u043c\u0438 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f\u043c\u0438, \u0447\u0442\u043e \u0432 \u0440\u044f\u0434\u0435 \u0441\u043b\u0443\u0447\u0430\u0435\u0432 \u043f\u0440\u0438\u0432\u043e\u0434\u0438\u0442 \u043a \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430\u043c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438, \u043f\u043e\u0441\u043a\u043e\u043b\u044c\u043a\u0443 \u043f\u0440\u0438\u0445\u043e\u0434\u0438\u0442\u0441\u044f \u043e\u0436\u0438\u0434\u0430\u0442\u044c \u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044f \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0445 \u043a\u043e\u043c\u0430\u043d\u0434 \u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044f\u043c\u0438, \u0447\u0442\u043e \u0442\u0440\u0435\u0431\u0443\u0435\u0442 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f. \u042d\u0442\u043e \u043c\u043e\u0436\u0435\u0442 \u0441\u0442\u0430\u0442\u044c […]<\/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":[702],"tags":[],"class_list":["post-55519","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"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\udd47P\u00ebr Btrfs \u00ebsht\u00eb prezantuar nj\u00eb zbatim asinkron i DISCARD | ProHoster","description":"P\u00ebr sistemin e skedar\u00ebve btrfs, \u00ebsht\u00eb paraqitur nj\u00eb zbatim asinkron i operacionit DISCARD (sh\u00ebnimi i blloqeve t\u00eb \u00e7liruara, t\u00eb cilat nuk duhen ruajtur fizikisht m\u00eb), e realizuar nga inxhinier\u00ebt e kompanis\u00eb Facebook. Thelbi i problemit: n\u00eb zbatimin origjinal, DISCARD realizohet sinkronisht me operacionet e tjera, gj\u00eb q\u00eb n\u00eb disa raste \u00e7on n\u00eb probleme me performanc\u00ebn, pasi duhet t\u00eb pritet p\u00ebr p\u00ebrfundimin e komandave p\u00ebrkat\u00ebse nga disqet, gj\u00eb q\u00eb k\u00ebrkon koh\u00eb shtes\u00eb. 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\u0441\u0438\u0441\u0442\u0435\u043c\u044b btrfs \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u0430\u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u0430\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 DISCARD (\u043f\u043e\u043c\u0435\u0442\u043a\u0430 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d\u043d\u044b\u0445 \u0431\u043b\u043e\u043a\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0443\u0436\u0435 \u043c\u043e\u0436\u043d\u043e \u043d\u0435 \u0445\u0440\u0430\u043d\u0438\u0442\u044c \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u0438), \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u0430\u043c\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Facebook. \u0421\u0443\u0442\u044c \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b: \u0432 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