{"id":86472,"date":"2020-06-25T19:41:59","date_gmt":"2020-06-25T17:41:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/administrirovanie\/sovremennaya-infrastruktura-problemy-i-perspektivy"},"modified":"2020-06-25T19:41:59","modified_gmt":"2020-06-25T17:41:59","slug":"sovremennaya-infrastruktura-problemy-i-perspektivy","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/administrirovanie\/sovremennaya-infrastruktura-problemy-i-perspektivy","title":{"rendered":"Infrastruktura moderne: sfida dhe perspektivat","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Infrastruktura moderne: sfida dhe perspektivat\" src=\"\/wp-content\/uploads\/2020\/06\/11ee21e8779fbedf460fcdc6e753a151.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nN\u00eb fund t\u00eb majit <noindex><a rel=\"nofollow\" href=\"https:\/\/www.facebook.com\/groups\/feedme.ru\/\">ne<\/a><\/noindex> organizuam nj\u00eb mitap online mbi tem\u00ebn <noindex><a rel=\"nofollow\" href=\"https:\/\/youtu.be\/uf4EgFmUY1Y\">\"Infrastruktura moderne dhe kontejner\u00ebt: sfida dhe perspektivat\"<\/a><\/noindex>. Biseduam p\u00ebr kontejner\u00ebt, Kubernetes dhe orkestrimin n\u00eb p\u00ebrgjith\u00ebsi, kriteret p\u00ebr zgjedhjen e infrastruktur\u00ebs dhe shum\u00eb t\u00eb tjera. Pjes\u00ebmarr\u00ebsit ndan\u00eb raste nga praktika e tyre. <\/p>\n<p><b>Pjes\u00ebmarr\u00ebsit:<\/b><\/p>\n<ul>\n<li><b>Evgeny Potapov, CEO i \"ITSumma\"<\/b>. M\u00eb shum\u00eb se gjysma e klient\u00ebve t\u00eb tij ose po kalojn\u00eb, ose duan t\u00eb kalojn\u00eb n\u00eb Kubernetes.<\/li>\n<li><b>Dmitry Stolyarov, CTO i \"Flant\"<\/b>. Ka m\u00eb shum\u00eb se 10 vjet p\u00ebrvoj\u00eb pune me sistemet e kontejner\u00ebve.<\/li>\n<li><b>Denis Remchukov (aka Eric Oldmann), COO i argotech.io, ish-RAO EES<\/b>. Premtoi t\u00eb tregoj\u00eb p\u00ebr raste n\u00eb \"enterprisi gjak\u00ebsor\".<\/li>\n<li><b>Andrei Fedorovsky, CTO i \"News360.com\"<\/b>. Pas blerjes s\u00eb kompanis\u00eb nga nj\u00eb lojtar tjet\u00ebr, \u00ebsht\u00eb p\u00ebrgjegj\u00ebs p\u00ebr disa projekte ML dhe AI dhe p\u00ebr infrastruktur\u00ebn.<\/li>\n<li><b>Ivan Kruglov, inxhinier sistemi, ish\u2013Booking.com.<\/b>Ai \u00ebsht\u00eb ai njeri, i cili me duar e tij ka b\u00ebr\u00eb shum\u00eb n\u00eb Kubernetes.<\/li>\n<\/ul>\n<p>\n<b>Temat:<\/b><\/p>\n<ul>\n<li>\u00c7far\u00eb ndan\u00eb pjes\u00ebmarr\u00ebsit mbi kontejner\u00ebt dhe orkestrimin (Docker, Kubernetes dhe t\u00eb tjera); \u00e7far\u00eb provuan n\u00eb praktik\u00eb ose analizuan.<\/li>\n<li>Rasti: N\u00eb kompanin\u00eb e tyre po nd\u00ebrtohet nj\u00eb plan zhvillimi t\u00eb infrastruktur\u00ebs p\u00ebr vitet n\u00eb vazhdim. Si merret vendimi p\u00ebr t\u00eb nd\u00ebrtuar (apo transferuar) infrastruktur\u00ebn aktuale n\u00eb konteiner\u00eb dhe Kubernetes, apo jo? <\/li>\n<li>Problemet n\u00eb bot\u00ebn e cloud-native, \u00e7far\u00eb na mungon, le t\u00eb imagjinojm\u00eb \u00e7far\u00eb do t\u00eb ndodh\u00eb nes\u00ebr.<\/li>\n<\/ul>\n<p>\nNisi nj\u00eb diskutim interesant, mendimet e pjes\u00ebmarr\u00ebsve ishin aq t\u00eb ndryshme dhe shkaktuan kaq shum\u00eb komente, saq\u00eb do t\u00eb doja t'i ndaja ato me ju. Ka <noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/watch?v=uf4EgFmUY1Y\">nj\u00eb video tre or\u00ebshe<\/a><\/noindex>, dhe m\u00eb posht\u00eb - p\u00ebrmbledhja e diskutimit. <br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2>A \u00ebsht\u00eb Kubernetes tashm\u00eb nj\u00eb standard apo nj\u00eb marketing i shk\u00eblqyer?<\/h2>\n<p>\n<i>\u00abNe erdh\u00ebm te ai (Kubernetes. - Sh\u00ebnim) at\u00ebher\u00eb kur askush nuk e dinte p\u00ebr t\u00eb. E arrit\u00ebm at\u00eb kur ende nuk ekzistonte. E doja at\u00eb para k\u00ebsaj\u00bb \u2014 <b>Dmitry Stolyarov<\/b><\/i><\/p>\n<p><img decoding=\"async\" alt=\"Infrastruktura moderne: sfida dhe perspektivat\" src=\"\/wp-content\/uploads\/2020\/06\/a814dda8f5e37560b6882535522498a6.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Foto nga Reddit.com<\/i><\/p>\n<p>Para 5-10 vjet\u00ebsh kishte nj\u00eb sasi t\u00eb madhe mjetesh, dhe nuk kishte asnj\u00eb standard t\u00eb vet\u00ebm. \u00c7do gjasht\u00eb muaj shfaqej nj\u00eb produkt i ri, ndonj\u00ebher\u00eb t\u00eb pakt\u00ebn nj\u00eb. Fillimisht Vagrant, pastaj Salt, Chef, Puppet,\u2026 \u00abdhe \u00e7do gjasht\u00eb muaj nd\u00ebrronit infrastruktur\u00ebn tuaj. Kishit pes\u00eb administrator\u00eb q\u00eb ishin vazhdimisht t\u00eb z\u00ebn\u00eb duke rishkruar konfigurimet\u00bb \u2014 kujton Andrei Fyodorovsky. Ai beson se Docker dhe Kubernetes \u00abshuarin\u00bb t\u00eb tjer\u00ebt. <b>Docker \u00ebsht\u00eb b\u00ebr\u00eb standard n\u00eb pes\u00eb vitet e fundit, nd\u00ebrsa Kubernetes gjat\u00eb dy viteve t\u00eb fundit. Dhe kjo \u00ebsht\u00eb mir\u00eb p\u00ebr industrin\u00eb.<\/b>.<\/p>\n<p>Dmitry Stolyarov dhe ekipa e tij e dashuron Kubernetes. Ata e donin nj\u00eb mjet t\u00eb till\u00eb para se t\u00eb shfaqej, dhe e gjet\u00ebn at\u00eb kur askush nuk e njihte. N\u00eb k\u00ebt\u00eb moment, p\u00ebr arsye komoditeti, ata nuk pranojn\u00eb klient\u00eb n\u00ebse kuptojn\u00eb se nuk do t\u00eb implementojn\u00eb Kubernetes p\u00ebr ta. Sipas Dmitry, kompania ka \"m shum\u00eb histori suksesi t\u00eb jasht\u00ebzakonshme p\u00ebr transformimin e trash\u00ebgimis\u00eb t\u00eb tmerrshme\".<\/p>\n<p><b>Kubernetes nuk \u00ebsht\u00eb vet\u00ebm orkestrimi i kontejner\u00ebve, \u00ebsht\u00eb nj\u00eb sistem menaxhimi t\u00eb konfigurimeve me nj\u00eb API t\u00eb avancuar, nj\u00eb komponent p\u00ebr menaxhimin e rrjetit, balancim L3 dhe kontrollues t\u00eb Ingress, i cili lejon menaxhimin e burimeve n\u00eb m\u00ebnyr\u00eb relativisht t\u00eb leht\u00eb, shkall\u00ebzim dhe abstraksion nga nivelet e poshtme t\u00eb infrastruktur\u00ebs.<\/b><\/p>\n<p>Fatkeq, n\u00eb jet\u00ebn ton\u00eb gjith\u00e7ka ka nj\u00eb \u00e7mim. Dhe ky taks\u00eb \u00ebsht\u00eb i lart\u00eb, ve\u00e7an\u00ebrisht kur flasim p\u00ebr kalimin n\u00eb Kubernetes p\u00ebr kompanit\u00eb me nj\u00eb infrastruktur\u00eb t\u00eb zhvilluar, si\u00e7 mendon Ivan Kruglov. Ai mund t\u00eb punoj\u00eb leht\u00ebsisht si n\u00eb nj\u00eb kompani me infrastruktur\u00eb tradicionale, ashtu edhe me Kubernetes. E r\u00ebnd\u00ebsishme \u00ebsht\u00eb t\u00eb kuptohet karakteristikat e kompanis\u00eb dhe tregut. Por, p\u00ebr shembull, p\u00ebr Evgeny Potapov, i cili do ta p\u00ebrmbledhte Kubernetes si nj\u00eb mjet p\u00ebr orkestrimin e kontejner\u00ebve, ky pyetje nuk ekziston. <\/p>\n<p>Evgeni b\u00ebri nj\u00eb analogji me situat\u00ebn e viteve 1990, kur u shfaq programimi objekt-orientuar si nj\u00eb m\u00ebnyr\u00eb p\u00ebr t\u00eb programuara aplikacione t\u00eb komplikuara. N\u00eb at\u00eb koh\u00eb, debatet vazhdonin dhe ishin duke u shfaqur mjete t\u00eb reja q\u00eb mb\u00ebshtesnin OOP-in. M\u00eb pas u shfaq\u00ebn mikrosh\u00ebrbimet si nj\u00eb m\u00ebnyr\u00eb p\u00ebr t\u2019u larguar nga koncepti monolitik. Kjo, nga ana e saj, \u00e7oi n\u00eb shfaqjen e kontejner\u00ebve dhe mjeteve p\u00ebr menaxhimin e tyre. \"Mendoj se shum\u00eb shpejt do t\u00eb arrijm\u00eb n\u00eb nj\u00eb koh\u00eb kur nuk do t\u00eb ket\u00eb pyetje n\u00ebse do t\u00eb shkruhet nj\u00eb aplikacion i vog\u00ebl me mikrosh\u00ebrbime; do t\u00eb shkruhet si nj\u00eb mikrosh\u00ebrbim nga defaulti,\" thot\u00eb ai. Po ashtu, Docker dhe Kubernetes me kalimin e koh\u00ebs do t\u00eb b\u00ebhen zgjidhje standarde pa nevoj\u00ebn p\u00ebr t\u00eb b\u00ebr\u00eb nj\u00eb zgjedhje.<\/p>\n<h2>Problemi i bazave n\u00eb stateless<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Infrastruktura moderne: sfida dhe perspektivat\" src=\"\/wp-content\/uploads\/2020\/06\/5bd0a882ea3cebcafbb846570672be20.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Foto nga <noindex><a rel=\"nofollow\" href=\"https:\/\/unsplash.com\/@jankolar?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\">Twitter: @jankolario n\u00eb Unsplash<\/a><\/noindex><\/i><\/p>\n<p>Sot, ka shum\u00eb receta p\u00ebr t\u00eb nisur baza t\u00eb dh\u00ebnash n\u00eb Kubernetes. Edhe si t\u00eb ndash pjes\u00ebn q\u00eb punon me disk I\/O nga, p\u00ebr shembull, pjesa e aplikacionit t\u00eb baz\u00ebs. <b>A mund t\u00eb ndodh\u00eb q\u00eb n\u00eb t\u00eb ardhmen bazat e t\u00eb dh\u00ebnave t\u00eb ndryshojn\u00eb aq shum\u00eb, saq\u00eb do t\u00eb ofrohen n\u00eb forma kornizash, ku nj\u00eb pjes\u00eb do t\u00eb orkestrohet p\u00ebrmes Docker dhe Kubernetes, dhe n\u00eb pjes\u00ebn tjet\u00ebr t\u00eb infrastruktur\u00ebs, p\u00ebrmes nj\u00eb programi t\u00eb ndar\u00eb, do t\u00eb ofrohet pjesa e ruajtjes?<\/b> A do t\u00eb ndryshojn\u00eb bazat si produkt?<\/p>\n<p>Ky p\u00ebrshkrim duket si menaxhim i radh\u00ebve, por k\u00ebrkesat p\u00ebr besueshm\u00ebri dhe sinkronizim t\u00eb informacionit n\u00eb bazat e dh\u00ebnave tradicionale jan\u00eb shum\u00eb m\u00eb t\u00eb larta, thot\u00eb Andrei. Ratia e goditjeve n\u00eb cache n\u00eb bazat normale mban nivelin 99%. N\u00ebse nj\u00eb pun\u00ebtor ndalon, aktivizohet nj\u00eb i ri, dhe cache 'ringrohet' nga zero. Deri sa cache t\u00eb mos jet\u00eb ri-ngrohur, pun\u00ebtori punon ngadal\u00eb, k\u00ebshtu q\u00eb nuk mund t\u00eb lejohet ngarkes\u00eb nga p\u00ebrdoruesit. Derisa nuk ka ngarkes\u00eb nga p\u00ebrdoruesit, cache nuk ri-ngrohet. Ky \u00ebsht\u00eb nj\u00eb cik\u00ebl i mbyllur. <\/p>\n<p>Dmitri \u00ebsht\u00eb n\u00eb thelb n\u00eb mosmarr\u00ebveshje, - kuorumet dhe sharding zgjidhin problemin. Por Andrei insiston se zgjidhja nuk i p\u00ebrshtatet t\u00eb gjith\u00ebve. N\u00eb disa situata, nj\u00eb kuorum \u00ebsht\u00eb i p\u00ebrshtatsh\u00ebm, por ai shton nj\u00eb ngarkes\u00eb shtes\u00eb n\u00eb rrjet. Baza NoSQL nuk \u00ebsht\u00eb e p\u00ebrshtatshme n\u00eb t\u00eb gjitha rastet. <\/p>\n<p>An\u00ebtar\u00ebt e mitapit u ndan\u00eb n\u00eb dy grupe.<\/p>\n<p>Denis dhe Andrei thon\u00eb se gjith\u00e7ka q\u00eb shkruan n\u00eb disk \u2014 bazat dhe t\u00eb tjera \u2014 nuk \u00ebsht\u00eb e mundur t\u00eb realizohet n\u00eb ekosistemin aktual t\u00eb Kubernetes. <b>Nuk \u00ebsht\u00eb e mundur t\u00eb ruash integritetin dhe q\u00ebndrueshm\u00ebrin\u00eb e t\u00eb dh\u00ebnave prodhuese n\u00eb Kubernetes. Kjo \u00ebsht\u00eb nj\u00eb ve\u00e7ori thelb\u00ebsore.<\/b> Zgjidhja: infrastruktura hibride. <\/p>\n<p>Edhe bazat moderne cloud native, si MongoDB dhe Cassandra, ose radh\u00ebt e mesazheve, si Kafka ose RabbitMQ, k\u00ebrkojn\u00eb ruajtje t\u00eb p\u00ebrhershme jasht\u00eb Kubernetes. <\/p>\n<p>Evgeniy kund\u00ebrshton: \"Bazat n\u00eb Kubernetes jan\u00eb nj\u00eb traum\u00eb rreth-ruse, ose rreth-nd\u00ebrmarr\u00ebse, e lidhur me faktin se n\u00eb Rusi nuk ka pranim t\u00eb Cloud-it.\" Kompanit\u00eb e vogla apo t\u00eb mesme n\u00eb Per\u00ebndim \u2014 jan\u00eb Cloud. P\u00ebrdorimi i Amazon RDS \u00ebsht\u00eb m\u00eb i thjesht\u00eb se sa t\u00eb merresh vet\u00eb me Kubernetes. N\u00eb Rusi, p\u00ebrdorin Kubernetes \u2018on-premise\u2019 dhe i transferojn\u00eb bazat kur p\u00ebrpiqen t\u00eb shk\u00ebputen nga kafsh\u00eb-zoologjike.<\/p>\n<p>Dmitri gjithashtu nuk e pranoi pohimin se nuk mund t\u00eb mbahen bazat n\u00eb Kubernetes: \"Baza \u00ebsht\u00eb e ndryshme p\u00ebr \u00e7do rast. Dhe n\u00ebse futim nj\u00eb baz\u00eb relacional gjigante \u2014 at\u00ebher\u00eb asnj\u00ebher\u00eb. N\u00ebse futim di\u00e7ka t\u00eb vog\u00ebl dhe cloud native, q\u00eb \u00ebsht\u00eb emocionalisht e gatshme p\u00ebr nj\u00eb jet\u00eb gjysm\u00eb efemere, gjith\u00e7ka do t\u00eb shkoj\u00eb mir\u00eb.\" Dmitri gjithashtu p\u00ebrmendi se mjetet p\u00ebr menaxhimin e bazave nuk jan\u00eb t\u00eb gatshme as p\u00ebr Docker, as p\u00ebr Kuber, prandaj shfaqen v\u00ebshtir\u00ebsi t\u00eb m\u00ebdha.<\/p>\n<p>Ivan, nga ana e tij, \u00ebsht\u00eb i sigurt se edhe n\u00ebse abstrahohemi nga konceptet stateful dhe stateless, ekosistemi i zgjidhjeve enterprise n\u00eb Kubernetes ende nuk \u00ebsht\u00eb i gatsh\u00ebm. Me Kuber, \u00ebsht\u00eb e v\u00ebshtir\u00eb t\u00eb mbahen k\u00ebrkesat e organeve ligjore dhe rregullatore. P\u00ebr shembull, nuk \u00ebsht\u00eb e mundur t\u00eb b\u00ebjm\u00eb nj\u00eb zgjidhje t\u00eb ofrimit t\u00eb identitetit, ku k\u00ebrkohen garantime t\u00eb rrepta t\u00eb identifikimit t\u00eb server\u00ebve, deri tek hardueri q\u00eb futet n\u00eb servera. Kjo fush\u00eb po zhvillohet, por p\u00ebr momentin nuk ka zgjidhje.<br \/>\nPjes\u00ebmarr\u00ebsit nuk arrit\u00ebn t\u00eb bien n\u00eb marr\u00ebveshje, prandaj n\u00eb k\u00ebt\u00eb pjes\u00eb nuk do t\u00eb ket\u00eb p\u00ebrfundime. M\u00eb mir\u00eb t\u00eb japim disa shembuj praktik\u00eb.<\/p>\n<h3>Rasti 1. Siguria kibernetike e \"megaregulatorit\" me bazat jasht\u00eb Kub\u00ebs<\/h3>\n<p>\nN\u00eb rastin e nj\u00eb sistemi t\u00eb avancuar t\u00eb siguris\u00eb kibernetike, p\u00ebrdorimi i kontejner\u00ebve dhe orkestrimit lejon mbrojtjen nga sulme dhe inkuadrime. P\u00ebr shembull, n\u00eb nj\u00eb mega-regulator, Denis dhe ekipi i tij implementuan nj\u00eb lidhje orkestruesi me nj\u00eb sh\u00ebrbim SIEM t\u00eb trajnuar, i cili analizon log-et n\u00eb koh\u00eb reale dhe p\u00ebrcakton procesin e sulmit, hacks ose d\u00ebshtimit. N\u00eb rast sulmi, p\u00ebrpjekjesh p\u00ebr t\u00eb vendosur di\u00e7ka, ose kur ndodh nj\u00eb infeksion nga nj\u00eb virus k\u00ebrkues, ai ngre kontejner\u00ebt me aplikacionet m\u00eb shpejt se sa ata infektohen, ose m\u00eb shpejt se sa sulmuesi i sulmon.<\/p>\n<h3>Rasti 2. Pjes\u00ebrisht zhvendosja e databazave t\u00eb Booking.com n\u00eb Kubernetes<\/h3>\n<p>\nN\u00eb Booking.com, databaza kryesore \u00ebsht\u00eb MySQL me replikimin asinkron \u2014 ka nj\u00eb master dhe nj\u00eb hierarki t\u00eb t\u00ebr\u00eb skllav\u00ebsh. Deri n\u00eb momentin e largimit t\u00eb Ivanit nga kompania, ishte e aktivizuar nj\u00eb projekt p\u00ebr transferimin e skllav\u00ebve, t\u00eb cil\u00ebt mund t\u00eb \"shk\u00ebputen\" me nj\u00eb d\u00ebm t\u00eb caktuar.<\/p>\n<p>P\u00ebrve\u00e7 baz\u00ebs kryesore, ka nj\u00eb instalim t\u00eb Cassandra me orkestrim t\u00eb shkruar nga vet\u00eb ne, i cili u krijua para se Kubernetes t\u00eb b\u00ebhej mainstream. Nuk ka probleme n\u00eb k\u00ebt\u00eb drejtim, por ka persistent n\u00eb SSD lokale. Zbatimet e larg\u00ebta, edhe brenda nj\u00eb data-centri, nuk p\u00ebrdoren p\u00ebr shkak t\u00eb problemeve me vones\u00eb t\u00eb lart\u00eb.<\/p>\n<p>Klasa e tret\u00eb e bazave t\u00eb t\u00eb dh\u00ebnave \u00ebsht\u00eb sh\u00ebrbimi i k\u00ebrkimit Booking.com, ku \u00e7do nod i sh\u00ebrbimit \u00ebsht\u00eb nj\u00eb baz\u00eb t\u00eb dh\u00ebnash. P\u00ebrpjekjet p\u00ebr t\u00eb transferuar sh\u00ebrbimin e k\u00ebrkimit n\u00eb Kubernetes d\u00ebshtuan, sepse \u00e7do nod ka 60-80 GB t\u00eb ruajtjes lokale, t\u00eb cilat jan\u00eb t\u00eb v\u00ebshtira p\u00ebr tu 'ngritur' dhe 'ngrohur'.<\/p>\n<p>Si rezultat, motori i k\u00ebrkimit nuk u transferua n\u00eb Kubernetes, dhe Ivan nuk mendon se do t\u00eb ket\u00eb p\u00ebrpjekje t\u00eb reja n\u00eb t\u00eb ardhmen e af\u00ebrt. Baza e t\u00eb dh\u00ebnave MySQL u transferua gjysm\u00eb: vet\u00ebm Slave-t, t\u00eb cilat nuk \u00ebsht\u00eb frik\u00eb t'i 'qethim'. Cassandra 'u p\u00ebrshtat' shk\u00eblqyesh\u00ebm.<\/p>\n<h2>Zgjedhja e infrastruktur\u00ebs si nj\u00eb detyr\u00eb pa nj\u00eb zgjidhje t\u00eb p\u00ebrgjithshme<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Infrastruktura moderne: sfida dhe perspektivat\" src=\"\/wp-content\/uploads\/2020\/06\/35cc454130402e47fcb9db3dbf159abb.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Foto nga <noindex><a rel=\"nofollow\" href=\"https:\/\/www.pexels.com\/@artunchained?utm_content=attributionCopyText&amp;utm_medium=referral&amp;utm_source=pexels\">Manuel Geissinger nga Pexels<\/a><\/noindex><\/i><\/p>\n<p>Supozoni se kemi nj\u00eb kompani t\u00eb re, ose nj\u00eb kompani ku nj\u00eb pjes\u00eb e infrastruktur\u00ebs \u00ebsht\u00eb e nd\u00ebrtuar sipas m\u00ebnyr\u00ebs s\u00eb vjet\u00ebr. Aty po nd\u00ebrtojn\u00eb nj\u00eb plan zhvillimi t\u00eb infrastruktur\u00ebs p\u00ebr disa vite. Si merret vendimi, t\u00eb nd\u00ebrtohet infrastruktura mbi konteiner\u00eb dhe Kubernetes apo jo? <\/p>\n<p>Kompani, q\u00eb garojn\u00eb p\u00ebr nanosekonda, jan\u00eb t\u00eb p\u00ebrjashtuara nga diskutimi. Nj\u00eb konservatoriz\u00ebm i sh\u00ebndosh\u00eb shp\u00ebrblehet p\u00ebr arsye besueshm\u00ebrie, por megjithat\u00eb, ka kompania q\u00eb duhet t\u00eb shqyrtojn\u00eb qasje t\u00eb reja.<\/p>\n<p>Ivan: \"Un\u00eb do t\u00eb filloja nj\u00eb kompani n\u00eb cloud tani, thjesht sepse \u00ebsht\u00eb m\u00eb e shpejt\u00eb\", edhe pse nuk \u00ebsht\u00eb patjet\u00ebr m\u00eb e lira. Me zhvillimin e kapitalit rrezik, startup-et me para nuk kan\u00eb probleme t\u00eb m\u00ebdha, dhe detyra kryesore \u00ebsht\u00eb t\u00eb fitojn\u00eb tregun. <\/p>\n<p>Ivan \u00ebsht\u00eb i mendimit se <b>zhvillimi i infrastruktur\u00ebs aktuale \u00ebsht\u00eb nj\u00eb kriter zgjedhjeje<\/b>. N\u00ebse n\u00eb t\u00eb kaluar\u00ebn jan\u00eb b\u00ebr\u00eb investime t\u00eb m\u00ebdha, dhe kjo funksionon, at\u00ebher\u00eb nuk ka kuptim ta rishikosh. N\u00ebse infrastruktura nuk \u00ebsht\u00eb e zhvilluar, dhe ka probleme me mjetet, sigurin\u00eb dhe monitorimin, at\u00ebher\u00eb ka kuptim t\u00eb shikosh drejt infrastruktur\u00ebs s\u00eb shp\u00ebrndar\u00eb. <\/p>\n<p>Taksa do t\u00eb duhet t\u00eb paguhet n\u00eb \u00e7do rast, dhe Ivan do t\u00eb paguante at\u00eb, e cila do t'i lejonte atij t\u00eb paguante m\u00eb pak n\u00eb t\u00eb ardhmen. \"<b>Sepse thjesht duke u ndodhur n\u00eb nj\u00eb tren, q\u00eb e l\u00ebvizin t\u00eb tjer\u00ebt, do t\u00eb arrij shum\u00eb m\u00eb larg se n\u00ebse hip n\u00eb nj\u00eb tren tjet\u00ebr, n\u00eb t\u00eb cilin do t\u00eb duhet t\u00eb hedh vet\u00eb karburant.<\/b>\u00bb \u2014 thot\u00eb Ivan. Kur kompania \u00ebsht\u00eb e re dhe k\u00ebrkesat p\u00ebr latency jan\u00eb disa dhjet\u00ebra milisekonda, Ivan do t\u00eb shikonte drejt \"operat\u00ebrve\", n\u00eb t\u00eb cil\u00ebt sot \"d\u00ebrgohen\" bazat klasike t\u00eb t\u00eb dh\u00ebnave. Ata ngritin nj\u00eb zinxhir replikimi q\u00eb vet\u00eb \u043f\u0435\u0440\u0435\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f n\u00eb rast d\u00ebshtimi, etj...<\/p>\n<p>P\u00ebr nj\u00eb kompani t\u00eb vog\u00ebl me disa server\u00eb n\u00eb Kubernet nuk ka kuptim, \u2014 deklaron Andrei. Por n\u00ebse ajo planifikon t\u00eb rritet deri n\u00eb nj\u00ebqind server\u00eb e m\u00eb shum\u00eb, at\u00ebher\u00eb nevojitet automatizimi dhe nj\u00eb sistem menaxhimi t\u00eb burimeve. 90% e rasteve justifikojn\u00eb shpenzimet. Dhe kjo pa marr\u00eb parasysh nivelin e ngarkes\u00ebs dhe burimeve. T\u00eb gjith\u00eb, duke filluar nga startup-et e deri te kompanit\u00eb e m\u00ebdha me nj\u00eb audienc\u00eb prej miliona, ka sens t\u00eb shikojn\u00eb gradualisht n\u00eb produktet p\u00ebr orkestrimin e kontejner\u00ebve. \"Po, kjo \u00ebsht\u00eb v\u00ebrtet e ardhmja,\" \u2014 \u00ebsht\u00eb i sigurt Andrei.<\/p>\n<p>Denis p\u00ebrcaktoi dy kritere kryesore \u2014 <b>shkall\u00ebzueshm\u00ebria dhe q\u00ebndrueshm\u00ebria e funksionimit.<\/b> Ai do t\u00eb zgjedh\u00eb ato mjete q\u00eb i p\u00ebrshtaten m\u00eb s\u00eb miri k\u00ebsaj detyre. \"Kjo mund t\u00eb jet\u00eb nj\u00eb pajisje e b\u00ebr\u00eb manualisht dhe e bllokuar, me Nutanix Community Edition. Mund t\u00eb jet\u00eb nj\u00eb aplikacion n\u00eb Kubernetes me nj\u00eb baz\u00eb t\u00eb dh\u00ebnash mbrapa, e cila replikon dhe ka parametra t\u00eb caktuar RTO dhe RPO\" (objektet e koh\u00ebs p\u00ebr rikuperim\/pik\u00ebs). <i>shembuj<\/i>).<\/p>\n<p>Yevgeny sh\u00ebnoi nj\u00eb problem t\u00eb mundsh\u00ebm me p\u00ebrgatitjen e stafit. Aktualisht n\u00eb treg nuk ka shum\u00eb specialist\u00eb t\u00eb nivelit t\u00eb lart\u00eb q\u00eb kuptojn\u00eb \"brend\u00ebsin\u00eb\". N\u00eb t\u00eb v\u00ebrtet\u00eb, n\u00ebse teknologjia e zgjedhur \u00ebsht\u00eb e vjet\u00ebr, \u00ebsht\u00eb e v\u00ebshtir\u00eb t\u00eb pun\u00ebsohet dikush, p\u00ebrve\u00e7 njer\u00ebzve t\u00eb moshuar q\u00eb jan\u00eb t\u00eb m\u00ebrzitur dhe t\u00eb lodhur nga jeta. Megjithat\u00eb, pjes\u00ebmarr\u00ebsit e tjer\u00eb mendojn\u00eb se kjo \u00ebsht\u00eb nj\u00eb \u00e7\u00ebshtje p\u00ebrgatitjeje t\u00eb stafit. <br \/>\nN\u00ebse e v\u00ebn\u00eb pyetjen e zgjedhjes: t\u00eb fillohej nj\u00eb kompani t\u00eb vog\u00ebl n\u00eb Public Cloud me bazat n\u00eb Amazon RDS apo \u201con premise\u201d me bazat n\u00eb Kubernetes, at\u00ebher\u00eb, p\u00ebrkund\u00ebr disa disavantazheve, zgjedhja e pjes\u00ebmarr\u00ebsve ishte Amazon RDS. <\/p>\n<p>Duke qen\u00eb se shumica e d\u00ebgjuesve t\u00eb mitapit nuk vijn\u00eb nga \"enterprise\"-i i \"p\u00ebrgjaksh\u00ebm\", at\u00ebher\u00eb <b>zgjidhjet e shp\u00ebrndara jan\u00eb ato q\u00eb duhet t\u00eb k\u00ebrkohen. Sistemet e ruajtjes s\u00eb t\u00eb dh\u00ebnave duhet t\u00eb jen\u00eb t\u00eb shp\u00ebrndara, t\u00eb besueshme dhe t\u00eb krijojn\u00eb latency, t\u00eb matura n\u00eb nj\u00ebsi milisekondash, maksimalisht dhjet\u00ebra.<\/b>, \u2014 p\u00ebrfundoi Andreu.<\/p>\n<h2>Vler\u00ebsimi i p\u00ebrdorimit t\u00eb Kubernetes<\/h2>\n<p>\nD\u00ebgjuesi Anton Zhbankov b\u00ebri nj\u00eb pyetje kap\u00ebse p\u00ebr avokat\u00ebt e Kubernetes: si u zgjodh dhe u zhvillua studimi teknik dhe ekonomik? Pse Kubernetes, pse jo makina virtuale, p\u00ebr shembull? <\/p>\n<p><img decoding=\"async\" alt=\"Infrastruktura moderne: sfida dhe perspektivat\" src=\"\/wp-content\/uploads\/2020\/06\/cd179deffb9bf66c3cb12d7ca9ef9244.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Foto nga <noindex><a rel=\"nofollow\" href=\"https:\/\/unsplash.com\/@artyana?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\">Tatyana Eremina n\u00eb Unsplash<\/a><\/noindex><\/i><\/p>\n<p>Dmitri dhe Ivan i dhan\u00eb p\u00ebrgjigje. N\u00eb t\u00eb dyja rastet, me metod\u00ebn e p\u00ebrpjekjeve dhe gabimeve, u krijua nj\u00eb sekuenc\u00eb vendimesh, me rezultat q\u00eb t\u00eb dy pjes\u00ebmarr\u00ebsit arrit\u00ebn n\u00eb Kubernetes. Tani biznesi fillon t\u00eb zhvilloj\u00eb vet\u00eb softuerin, i cili ka kuptim t\u00eb transferohet n\u00eb Kub. Nuk b\u00ebhet fjal\u00eb p\u00ebr sistemet klasike t\u00eb pal\u00ebt t\u00eb treta, si 1C. Kubernetes ndihmon kur zhvilluesve u nevojitet t\u00eb b\u00ebjn\u00eb lirimin e shpejt\u00eb, me p\u00ebrmir\u00ebsim t\u00eb vazhduesh\u00ebm pa ndalesa.<\/p>\n<p>Ekipi i Andreu p\u00ebrpiqej t\u00eb krijonte nj\u00eb klas\u00ebr t\u00eb shkall\u00ebzuar mbi baz\u00ebn e makinave virtuale. Nodet binin si domino, q\u00eb ndonj\u00ebher\u00eb \u00e7onte n\u00eb r\u00ebnien e klastrit. \"Teorikisht, mund t\u00eb p\u00ebrfundohet dhe t\u00eb mbahen me duar, por \u00ebsht\u00eb e m\u00ebrzitshme. Dhe n\u00ebse n\u00eb treg ka nj\u00eb zgjidhje q\u00eb lejon t\u00eb punosh nga gj\u00ebja q\u00eb merr, ne me k\u00ebnaq\u00ebsi shkojm\u00eb drejt saj. Dhe ne kaluam rezultatin,\" thot\u00eb Andreu.<\/p>\n<p>Standartet p\u00ebr nj\u00eb analiz\u00eb dhe llogaritje t\u00eb till\u00eb ekzistojn\u00eb, por askush nuk mund t\u00eb thot\u00eb sa t\u00eb v\u00ebrteta jan\u00eb ato n\u00eb harduerin real gjat\u00eb p\u00ebrdorimit. P\u00ebr llogaritjet \u00ebsht\u00eb e r\u00ebnd\u00ebsishme t\u00eb kuptohet \u00e7do mjet dhe ekosistem, por kjo \u00ebsht\u00eb e pamundur.<\/p>\n<h2>\u00c7far\u00eb na pret<\/h2>\n<p>\n<img decoding=\"async\" alt=\"Infrastruktura moderne: sfida dhe perspektivat\" src=\"\/wp-content\/uploads\/2020\/06\/d7843eb5da33c8aa5b444e86b43184d5.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Foto nga <noindex><a rel=\"nofollow\" href=\"https:\/\/unsplash.com\/@drew_beamer?utm_source=unsplash&amp;utm_medium=referral&amp;utm_content=creditCopyText\">Drew Beamer n\u00eb Unsplash<\/a><\/noindex><\/i><\/p>\n<p>Kur teknologjit\u00eb zhvillohen, shfaqen gjithnj\u00eb e m\u00eb shum\u00eb pjes\u00eb t\u00eb ndara, dhe pastaj ndodh nj\u00eb kalim fazor, shfaqet nj\u00eb tregtar q\u00eb ka shpenzuar mjaft \"para\" p\u00ebr t\u00eb bashkuar gjith\u00e7ka n\u00eb nj\u00eb mjet t\u00eb vet\u00ebm.<\/p>\n<p><b>A nuk mendoni se do t\u00eb vije nj\u00eb moment kur do t\u00eb ket\u00eb nj\u00eb mjet, si\u00e7 b\u00ebri Ubuntu p\u00ebr bot\u00ebn Linux?<\/b> Ndoshta nj\u00eb mjet i vet\u00ebm p\u00ebr kontejnerizim dhe orkestrim do t\u00eb p\u00ebrfshij\u00eb edhe Kubernet. Me t\u00eb do t\u00eb b\u00ebhet e leht\u00eb t\u00eb nd\u00ebrtosh cloud on-premise. <\/p>\n<p>Ivan dha k\u00ebt\u00eb p\u00ebrgjigje: \"Google aktualisht \u00ebsht\u00eb duke nd\u00ebrtuar Anthos \u2014 kjo \u00ebsht\u00eb oferta e tyre paket\u00eb, q\u00eb shp\u00ebrndan cloud dhe p\u00ebrfshin Kuber, Service Mesh, monitorimin \u2014 gjith\u00eb mb\u00ebshtetje q\u00eb nevojitet p\u00ebr mikrosh\u00ebrbimet n\u00eb 'on-premise'. Ne jemi gati p\u00ebr t\u00eb ardhmen.\"<\/p>\n<p>Denis gjithashtu p\u00ebrmendi Nutanix dhe VMWare me produktin vRealize Suite, t\u00eb cilat mund t\u00eb p\u00ebrballen me nj\u00eb detyr\u00eb t\u00eb till\u00eb pa kontejnerizim.<\/p>\n<p>Dmitri shprehu mendimin se zvog\u00eblimi i \"dhembjes\" dhe ulja e taksave jan\u00eb dy drejtime ku priten p\u00ebrmir\u00ebsime. <\/p>\n<p><b>Duke p\u00ebrmbledhur diskutimin, t\u00eb theksojm\u00eb problemet e dukshme me infrastruktur\u00ebn moderne.<\/b><\/p>\n<ul>\n<li>T\u00eb tre pjes\u00ebmarr\u00ebsit e ndan\u00eb problematik\u00ebn me stateful.<\/li>\n<li>Probleme t\u00eb ndryshme n\u00eb mb\u00ebshtetje t\u00eb siguris\u00eb, duke p\u00ebrfshir\u00eb mund\u00ebsin\u00eb q\u00eb t\u00eb p\u00ebrfundojn\u00eb n\u00eb Docker disa versione t\u00eb Python, server\u00eb aplikacionesh dhe komponent\u00eb.<br \/>\nTeprica e shpenzimeve, p\u00ebr t\u00eb cil\u00ebn \u00ebsht\u00eb m\u00eb mir\u00eb t\u00eb b\u00ebhet nj\u00eb mitap i ve\u00e7ant\u00eb.<br \/>\nProblemi i edukimit, pasi orkestrimi \u00ebsht\u00eb nj\u00eb ekosistem i komplikuar.<br \/>\nProblemi i p\u00ebrgjithsh\u00ebm i industris\u00eb \u00ebsht\u00eb p\u00ebrdorimi i mjeteve jasht\u00eb q\u00ebllimit t\u00eb tyre.<\/p>\n<p>T\u00eb tjerat jan\u00eb p\u00ebrfundime q\u00eb duhet t'i b\u00ebni ju. Deri tani, perceptimi mbetet se lidhja Docker+Kubernetes nuk \u00ebsht\u00eb e leht\u00eb p\u00ebr t'u b\u00ebr\u00eb nj\u00eb pjes\u00eb \"qendrore\" e sistemit. P\u00ebr shembull, sistemet operative vendosen n\u00eb hardware t\u00eb par\u00eb, gj\u00eb q\u00eb nuk mund t\u00eb thuhet p\u00ebr kontejner\u00ebt dhe orkestrimin. Ndoshta n\u00eb t\u00eb ardhmen, sistemet operative dhe kontejner\u00ebt do t\u00eb bashkohen me softuerin p\u00ebr menaxhimin e cloud.<\/p>\n<p><img decoding=\"async\" alt=\"Infrastruktura moderne: sfida dhe perspektivat\" src=\"\/wp-content\/uploads\/2020\/06\/4f90f876985af1b515a9d5a471ba3c74.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Foto nga <noindex><a rel=\"nofollow\" href=\"https:\/\/www.pexels.com\/@gabrielsantosfotografia?utm_content=attributionCopyText&amp;utm_medium=referral&amp;utm_source=pexels\">Gabriel Santos Fotografia from Pexels<\/a><\/noindex><\/i><\/p>\n<p>Duke shfryt\u00ebzuar rastin, dua t'i d\u00ebrgoj p\u00ebrsh\u00ebndetje mamas\u00eb dhe t'i kujtoj se kemi nj\u00eb grup n\u00eb Facebook. <noindex><a rel=\"nofollow\" href=\"https:\/\/www.facebook.com\/groups\/feedme.ru\/\">\"Menaxhimi dhe zhvillimi i projekteve t\u00eb m\u00ebdha IT\"<\/a><\/noindex>, kanal <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/feedmeto\">@feedmeto<\/a><\/noindex> me publikime interesante nga blogje t\u00eb ndryshme teknologjie. Dhe kanali im <noindex><a rel=\"nofollow\" href=\"https:\/\/t.me\/rybakalexey\">@rybakalexey<\/a><\/noindex>, ku flas p\u00ebr menaxhimin e zhvillimit n\u00eb kompanit\u00eb e produktit.<\/li>\n<\/ul>\n<p>Burimi: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/508018\/\">habr.com<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043a\u043e\u043d\u0446\u0435 \u043c\u0430\u044f \u043c\u044b \u043f\u0440\u043e\u0432\u0435\u043b\u0438 \u043e\u043d\u043b\u0430\u0439\u043d-\u043c\u0438\u0442\u0430\u043f \u043d\u0430 \u0442\u0435\u043c\u0443 \u00ab\u0421\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 \u0438 \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u044b: \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u0438 \u043f\u0435\u0440\u0441\u043f\u0435\u043a\u0442\u0438\u0432\u044b\u00bb. \u041f\u043e\u0433\u043e\u0432\u043e\u0440\u0438\u043b\u0438 \u043e \u043a\u043e\u043d\u0442\u0435\u0439\u043d\u0435\u0440\u0430\u0445, Kubernetes \u0438 \u043e\u0440\u043a\u0435\u0441\u0442\u0440\u0430\u0446\u0438\u0438 \u0432 \u043f\u0440\u0438\u043d\u0446\u0438\u043f\u0435, \u043e \u043a\u0440\u0438\u0442\u0435\u0440\u0438\u044f\u0445 \u0432\u044b\u0431\u043e\u0440\u0430 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u0438 \u043c\u043d\u043e\u0433\u043e\u043c \u0434\u0440\u0443\u0433\u043e\u043c. \u0423\u0447\u0430\u0441\u0442\u043d\u0438\u043a\u0438 \u043f\u043e\u0434\u0435\u043b\u0438\u043b\u0438\u0441\u044c \u043a\u0435\u0439\u0441\u0430\u043c\u0438 \u0438\u0437 \u0441\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e\u0439 \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0438. \u0423\u0447\u0430\u0441\u0442\u043d\u0438\u043a\u0438: \u0415\u0432\u0433\u0435\u043d\u0438\u0439 \u041f\u043e\u0442\u0430\u043f\u043e\u0432, CEO \u00abITSumma\u00bb. \u0411\u043e\u043b\u044c\u0448\u0435 \u043f\u043e\u043b\u043e\u0432\u0438\u043d\u044b \u0435\u0433\u043e \u043a\u043b\u0438\u0435\u043d\u0442\u043e\u0432 \u043b\u0438\u0431\u043e \u0443\u0436\u0435 \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u044f\u0442, \u043b\u0438\u0431\u043e \u0445\u043e\u0442\u044f\u0442 \u043f\u0435\u0440\u0435\u0439\u0442\u0438 \u043d\u0430 Kubernetes. \u0414\u043c\u0438\u0442\u0440\u0438\u0439 \u0421\u0442\u043e\u043b\u044f\u0440\u043e\u0432, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":86473,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-86472","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta 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