{"id":108647,"date":"2023-05-21T12:49:09","date_gmt":"2023-05-21T10:49:12","guid":{"rendered":"https:\/\/prohoster.info\/?p=108647"},"modified":"2023-05-22T10:28:52","modified_gmt":"2023-05-22T08:28:52","slug":"paypal-otkryl-kod-subd-junodb","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/news\/paypal-otkryl-kod-subd-junodb","title":{"rendered":"PayPal ka hapur kodin e DB JunoDB","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kompania PayPal ka hapur kodet burimore t\u00eb nj\u00eb sistemi t\u00eb besuesh\u00ebm t\u00eb menaxhimit t\u00eb baz\u00ebs s\u00eb t\u00eb dh\u00ebnave JunoDB, i cili manipulon t\u00eb dh\u00ebnat n\u00eb formatin \u00e7el\u00ebs-vler\u00eb. Sistemi \u00ebsht\u00eb projektuar fillimisht me fokus n\u00eb sigurin\u00eb e lart\u00eb, shkall\u00ebzueshm\u00ebrin\u00eb horizontale, besueshm\u00ebrin\u00eb dhe aft\u00ebsin\u00eb p\u00ebr t\u00eb p\u00ebrballuar qindra mij\u00ebra lidhje n\u00eb t\u00eb nj\u00ebjt\u00ebn koh\u00eb me vonesa t\u00eb parashikueshme. Tek PayPal, praktisht t\u00eb gjith\u00eb sh\u00ebrbimet, nga identifikimi i p\u00ebrdoruesve deri te p\u00ebrpunimi i transaksioneve financiare, jan\u00eb t\u00eb lidhura me JunoDB. Kodi i projektit \u00ebsht\u00eb shkruar n\u00eb gjuh\u00ebn Go (biblioteka klientore n\u00eb Java) dhe shp\u00ebrndahet n\u00ebn licenc\u00ebn Apache 2.0. Gjat\u00eb zhvillimit t\u00eb m\u00ebtejsh\u00ebm do t\u00eb pranohen rregullime, p\u00ebrmir\u00ebsime dhe ndryshime nga komuniteti. <\/p>\n

Arkitektura JunoDB \u00ebsht\u00eb e bazuar n\u00eb p\u00ebrdorimin e nj\u00eb balancuesi ngarkese q\u00eb pranon k\u00ebrkesat nga aplikacionet klient dhe i shp\u00ebrndan ato midis server\u00ebve proxy, t\u00eb cil\u00ebt gjithashtu lidhen me nj\u00eb grup server\u00ebsh<\/a> ruajtjeje gjat\u00eb p\u00ebrmbushjes s\u00eb k\u00ebrkes\u00ebs. \u00c7do server proxy vendos lidhjet menj\u00ebher\u00eb me t\u00eb gjitha server\u00eb<\/a> ruajtjeve dhe drejton k\u00ebrkesat n\u00eb grupin e server\u00ebve t\u00eb ruajtjes n\u00eb baz\u00eb t\u00eb indeksit t\u00eb seksionimit, i cili ruhet n\u00eb nj\u00eb sistem t\u00eb shp\u00ebrndar\u00eb ruajtjeje konfigurimi etcd.

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

T\u00eb dh\u00ebnat ndahen dhe lidhen me nyjat e ruajtjes duke p\u00ebrdorur hashing, gj\u00eb q\u00eb zvog\u00eblon l\u00ebvizjen e t\u00eb dh\u00ebnave gjat\u00eb rritjes ose zvog\u00eblimit t\u00eb nj\u00ebsive t\u00eb klasterit. P\u00ebr t\u00eb siguruar besueshm\u00ebrin\u00eb, \u00e7do grup t\u00eb dh\u00ebnash riprodhohet n\u00eb disa nyje ruajtjeje, duke siguruar ruajtjen e informacionit kur disa server\u00eb d\u00ebshtojn\u00eb. Mb\u00ebshtetet krijimi i ruajtjeve t\u00eb shp\u00ebrndara gjeografikisht, ku grupet e nyjave jan\u00eb t\u00eb vendosura n\u00eb qendra t\u00eb dh\u00ebnash t\u00eb ndryshme.

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

N\u00eb nyjat e ruajtjes, t\u00eb dh\u00ebnat vendosen n\u00eb memorie ose n\u00eb ruajtje lokale bazuar n\u00eb bibliotek\u00ebn RocksDB. Kur jan\u00eb n\u00eb ruajtje t\u00eb p\u00ebrhershme, t\u00eb dh\u00ebnat ruhen n\u00eb form\u00eb t\u00eb enkriptuar (\u00e7el\u00ebsi i enkriptimit mund t\u00eb p\u00ebrcaktohet si nga klienti ashtu edhe t\u00eb skedohet n\u00eb nivelin e proxy).

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

P\u00ebr qasjen n\u00eb BD nga aplikacionet ofrohet nj\u00eb bibliotek\u00eb klienti q\u00eb siguron nj\u00eb API p\u00ebr aplikacionet n\u00eb gjuh\u00ebt Java, Go dhe C++. Pjesa klienti \u00ebsht\u00eb maksimalisht e thjesht\u00ebzuar, dhe logjika e nd\u00ebrlikuar dhe konfigurimet jan\u00eb sa m\u00eb shum\u00eb t\u00eb mundshme t\u00eb transferuara n\u00eb an\u00ebn e DBMS. Nd\u00ebrveprimi midis klientit dhe balancuesit ose proksit b\u00ebhet p\u00ebrmes nj\u00eb kanali t\u00eb koduar t\u00eb komunikimit. P\u00ebr menaxhimin dhe d\u00ebrgimin e k\u00ebrkesave mund t\u00eb p\u00ebrdoret nd\u00ebrfaqja e linj\u00ebs s\u00eb komand\u00ebs, e cila riprodhon t\u00eb gjitha mund\u00ebsit\u00eb e API-s\u00eb s\u00eb klientit. <\/p>\n

Sistemi \u00ebsht\u00eb projektuar p\u00ebr t\u00eb p\u00ebrpunuar k\u00ebrkesa me vonesa t\u00eb parashikueshme t\u00eb ulta, p\u00ebr shembull, nj\u00eb grumbull prej tre nyjeve ruajtjeje dhe nj\u00eb proksi, i formuar nga ambientet n1-highmem-32 (32 CPU Intel Xeon 2.30GHz, 214G RAM dhe 450G ruajtje mbi SSD), ka arritur t\u00eb ofroj\u00eb vonesa fikse q\u00eb nuk tejkalojn\u00eb 2.5 ms n\u00eb 95% t\u00eb rasteve dhe 16 ms n\u00eb 99% gjat\u00eb p\u00ebrpunimit t\u00eb 200 mij\u00eb lidhjeve TLS n\u00eb t\u00eb nj\u00ebjt\u00ebn koh\u00eb dhe nj\u00eb fluksi prej 15 mij\u00eb k\u00ebrkesash n\u00eb sekond\u00eb (n\u00eb 3000 lidhje t\u00eb nj\u00ebkohshme dhe nj\u00eb fluks prej 80 mij\u00eb k\u00ebrkesash n\u00eb sekond\u00eb vonesat nuk tejkaluan 6 ms n\u00eb 95% t\u00eb rasteve dhe 15 ms n\u00eb 99%). N\u00eb PayPal, sh\u00ebrbimet mbi baz\u00ebn e JunoDB trajtojn\u00eb rreth 350 miliard k\u00ebrkesa n\u00eb dit\u00eb.

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

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f PayPal \u043e\u0442\u043a\u0440\u044b\u043b\u0430 \u0438\u0441\u0445\u043e\u0434\u043d\u044b\u0435 \u0442\u0435\u043a\u0441\u0442\u044b \u043e\u0442\u043a\u0430\u0437\u043e\u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0439 \u0421\u0423\u0411\u0414 JunoDB, \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u0443\u044e\u0449\u0435\u0439 \u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 \u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435. \u0421\u0438\u0441\u0442\u0435\u043c\u0430 \u0438\u0437\u043d\u0430\u0447\u0430\u043b\u044c\u043d\u043e \u0441\u043f\u0440\u043e\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0430 \u0441 \u043e\u0433\u043b\u044f\u0434\u043a\u043e\u0439 \u043d\u0430 \u0432\u044b\u0441\u043e\u043a\u0443\u044e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c, \u0433\u043e\u0440\u0438\u0437\u043e\u043d\u0442\u0430\u043b\u044c\u043d\u0443\u044e \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u0443\u0435\u043c\u043e\u0441\u0442\u044c, \u043e\u0442\u043a\u0430\u0437\u043e\u0443\u0441\u0442\u043e\u0439\u0447\u0438\u0432\u043e\u0441\u0442\u044c \u0438 \u0441\u043f\u043e\u0441\u043e\u0431\u043d\u043e\u0441\u0442\u044c \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0442\u044c \u0441\u043e\u0442\u043d\u0438 \u0442\u044b\u0441\u044f\u0447 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439 \u0441 \u043f\u0440\u0435\u0434\u0441\u043a\u0430\u0437\u0443\u0435\u043c\u044b\u043c\u0438 \u0437\u0430\u0434\u0435\u0440\u0436\u043a\u0430\u043c\u0438. \u0412 PayPal \u043f\u0440\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u0432\u0441\u0435 \u0441\u0435\u0440\u0432\u0438\u0441\u044b, \u043e\u0442 \u0432\u0445\u043e\u0434\u0430 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0434\u043e \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0444\u0438\u043d\u0430\u043d\u0441\u043e\u0432\u044b\u0445 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0439, \u0437\u0430\u0432\u044f\u0437\u0430\u043d\u044b \u043d\u0430 JunoDB. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Go […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":108648,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-108647","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\udd47PayPal hapi kodin e DBMS-s\u00eb JunoDB | ProHoster","description":"Kompania PayPal ka hapur kodet burimore t\u00eb DBMS-s\u00eb me q\u00ebndrueshm\u00ebri JunoDB, e cila manipulon t\u00eb dh\u00ebnat n\u00eb formatin 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