{"id":30917,"date":"2019-10-31T21:38:13","date_gmt":"2019-10-31T18:38:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/sektsiya-backend-na-dump-serverless-postgres-i-go-net-core-graphql-i-ne-tolko\/"},"modified":"2019-10-31T21:38:13","modified_gmt":"2019-10-31T18:38:13","slug":"sektsiya-backend-na-dump-serverless-postgres-i-go-net-core-graphql-i-ne-tolko","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/administrirovanie\/sektsiya-backend-na-dump-serverless-postgres-i-go-net-core-graphql-i-ne-tolko","title":{"rendered":"Sezione Backend su DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e altro ancora","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Il 19 aprile a Ekaterinburg si terr\u00e0 una conferenza per sviluppatori <noindex><a rel=\"nofollow\" href=\"https:\/\/bit.ly\/2YML9wy\">DUMP<\/a><\/noindex>. I direttori di programma della sezione Backend \u2014 il capo dell'ufficio di sviluppo di Yandex Andrey Zharinov, il responsabile del dipartimento di sviluppo di Naumen Contact Center Konstantin Beklemishev e l'ingegnere informatico di Kontur Denis Tarasov \u2014 hanno spiegato quali relazioni attendersi dai partecipanti alla conferenza.<\/p>\n<p>C'\u00e8 un'opinione secondo cui non ci si dovrebbe aspettare intuizioni dalle conferenze 'festival'. Tuttavia, pensiamo di aver creato un programma da cui aspettarsi risultati. Abbiamo selezionato solo le persone con una profonda conoscenza della tematica, scartando il \u2154 delle candidature, modificando senza sosta la struttura delle presentazioni e richiedendo esempi pratici ai relatori. <\/p>\n<p><img decoding=\"async\" alt=\"Sezione Backend su DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e altro ancora\" src=\"\/wp-content\/uploads\/2019\/04\/5d23ec5d4092291bd8abd9e0c2a16fb6.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<h2><b>Interventi<\/b><\/h2>\n<p>\nI primi due interventi sono correlati tra loro e raccomandiamo vivamente di ascoltarli entrambi.<\/p>\n<p><img decoding=\"async\" alt=\"Sezione Backend su DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e altro ancora\" src=\"\/wp-content\/uploads\/2019\/04\/30944dbc7b87e8754077a610cc74d75d.jpg\" style=\"display:block;margin: 0 auto;\" \/> Problema 1. Quando si utilizzano API esterne, la questione della verifica dei dati in entrata diventa particolarmente rilevante. Una semplice convalida del formato non \u00e8 sufficiente; \u00e8 necessario anche assicurarsi della coerenza dei dati. Sebbene la soluzione sembri ovvia, con l'aumento del numero di fonti esterne, molte verifiche distinte possono facilmente diventare ingestibili. <b>Sergej Dolganov<\/b> di <b>Evil Martians<\/b> dimostrer\u00e0 un approccio strutturato al problema, basato sull'uso dei metodi di programmazione funzionale.<\/p>\n<p><img decoding=\"async\" alt=\"Sezione Backend su DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e altro ancora\" src=\"\/wp-content\/uploads\/2019\/04\/8b4840b27190382a7c4c2684a229407a.jpg\" style=\"display:block;margin: 0 auto;\" \/> Problema 2. Per garantire l'efficacia nell'interazione con il server, \u00e8 necessario ottimizzare il numero di chiamate all'API e il volume dei dati restituiti. Ci\u00f2 richiede una progettazione coerente delle entit\u00e0 gi\u00e0 a livello di server. <b>Dmitrij Cepel\u00ebv<\/b> <b>(Evil Martians)<\/b> spiegher\u00e0 come farlo in modo efficace, utilizzando la filosofia e gli strumenti di GraphQL, evidenziando le sfumature e confrontando esempi con il tradizionale REST.<\/p>\n<p>Il secondo blocco riguarder\u00e0 l'integrazione tra Postgres e Go. Ascolteremo l'esperienza di Avito e Yandex \ud83d\ude42<\/p>\n<p><img decoding=\"async\" alt=\"Sezione Backend su DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e altro ancora\" src=\"\/wp-content\/uploads\/2019\/04\/d11857b08decc714aa04104961cd4f85.jpg\" style=\"display:block;margin: 0 auto;\" \/> Hai Postgres e vuoi utilizzare Go nel tuo progetto, ma lo fai per la prima volta? Questa presentazione ti far\u00e0 risparmiare un sacco di tempo. L'ingegnere software in <b>Avito Artemij Rjabinkov<\/b> parler\u00e0 degli strumenti e di tutte le sfumature di lavoro con questo DB in Go, attraverso esempi delle sfide che affronta ogni giorno in Avito.<\/p>\n<p><img decoding=\"async\" alt=\"Sezione Backend su DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e altro ancora\" src=\"\/wp-content\/uploads\/2019\/04\/9ad9a5cbc7c395238dff6b70ab5edde1.jpg\" style=\"display:block;margin: 0 auto;\" \/> PostgreSQL e backup dei dati? Sembra che questo argomento sia gi\u00e0 stato esplorato in lungo e in largo. Ma le conoscenze saranno incomplete finch\u00e9 non saprete come avviene in Yandex: enormi volumi di dati, necessit\u00e0 di compressione, crittografia, elaborazione parallela e massima efficienza nell'utilizzo di CPU multi-core. <b>\u0410\u043d\u0434\u0440\u0435\u0439 \u0411\u043e\u0440\u043e\u0434\u0438\u043d<\/b> parler\u00e0 dell'architettura WAL-G \u2014 una soluzione open source in Go per l'archiviazione continua di Postgres e MySQL, che Yandex sta sviluppando attivamente e che potrete utilizzare nei vostri progetti.<\/p>\n<p>Un terzo blocco per chi \u00e8 interessato alle tecnologie di riconoscimento e sintesi vocale, per chi conosce bene le abbreviazioni ASR e TTS, e per chi lavora nella creazione di assistenti vocali.<\/p>\n<p><img decoding=\"async\" alt=\"Sezione Backend su DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e altro ancora\" src=\"\/wp-content\/uploads\/2019\/04\/5f1fa167834a14ba2808228ae70c1e03.jpg\" style=\"display:block;margin: 0 auto;\" \/> Gli assistenti vocali sono all'apice della popolarit\u00e0. Creare la propria skill per uno di essi non \u00e8 solo semplice, \u00e8 estremamente semplice. Tuttavia, si conoscono poche storie reali sull'applicazione di questa tecnologia. <b>\u0412\u0438\u0442\u0430\u043b\u0438\u0439 \u0421\u0435\u043c\u044f\u0447\u043a\u0438\u043d<\/b> di <b>JetStyle<\/b> far\u00e0 una panoramica delle funzionalit\u00e0 e delle limitazioni dei principali assistenti, racconter\u00e0 quali insidie possono attendere, come affrontarle con coraggio e, in generale, come gestire il tutto. Inoltre, Vitaly condivider\u00e0 l'esperienza di costruire una 'smart meeting room' basata su Yandex.Stan, <\/p>\n<p><img decoding=\"async\" alt=\"Sezione Backend su DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e altro ancora\" src=\"\/wp-content\/uploads\/2019\/04\/b75f371901a0101ad49d8a5f6da95c39.jpg\" style=\"display:block;margin: 0 auto;\" \/> <img decoding=\"async\" alt=\"Sezione Backend su DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e altro ancora\" src=\"\/wp-content\/uploads\/2019\/04\/b082c5de334918830cc64f8032849882.jpg\" style=\"display:block;margin: 0 auto;\" \/> Le aziende all'avanguardia offrono le loro API per costruire assistenti vocali. Ma come procedere se le soluzioni esterne non sono disponibili? In <b>Contur<\/b> hanno risolto questa sfida, sebbene il percorso sia stato tortuoso. <b>Viktor Kondoba<\/b> e <b>Svetlana Zav'jalova<\/b> condivideranno l'esperienza nell'uso di soluzioni locali per il riconoscimento vocale nell'automazione del supporto, mostreranno su cosa concentrarsi e cosa si pu\u00f2 sacrificare per migliorare l'efficienza.<\/p>\n<p>Di cosa parleranno anche?<\/p>\n<p><img decoding=\"async\" alt=\"Sezione Backend su DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e altro ancora\" src=\"\/wp-content\/uploads\/2019\/04\/2c875ae151ea961b80e60b83b18ad340.jpg\" style=\"display:block;margin: 0 auto;\" \/> Recentemente, in Redis 5 \u00e8 apparso un nuovo tipo di dato: streams, che implementa idee tratte dal popolare broker di messaggi Kafka. <b>Denis Kataev (Tinkoff.ru) <\/b>spiegher\u00e0 a cosa servono gli stream, in che modo differiscono dalle normali code, qual \u00e8 la differenza tra Kafka e Redis streams, e parler\u00e0 anche delle 'insidie' che vi aspettano.<\/p>\n<p><img decoding=\"async\" alt=\"Sezione Backend su DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e altro ancora\" src=\"\/wp-content\/uploads\/2019\/04\/e1328d8422d676165e410ad6d092d8d0.jpg\" style=\"display:block;margin: 0 auto;\" \/> Ingegnere senior presso <b>Contur Grigorij Ko\u0161el'ev<\/b> esamina quali problemi ci sono con la registrazione di log e metriche se hai terabyte di dati al giorno, e parler\u00e0 di una nuova soluzione open-source che migliorer\u00e0 la tua vita.<\/p>\n<p><img decoding=\"async\" alt=\"Sezione Backend su DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e altro ancora\" src=\"\/wp-content\/uploads\/2019\/04\/bce4533bd4f9f65d3463c45474920e29.jpg\" style=\"display:block;margin: 0 auto;\" \/> Leader della comunit\u00e0 .Net di Kazan <b>Yuri Kerbickov<\/b> (<b>Ak Bars Digital Technologies<\/b>) arriver\u00e0 per ricordare perch\u00e9 sono necessari i domini delle applicazioni nel .Net Framework, e parler\u00e0 di cosa \u00e8 cambiato nel lavoro con essi in .Net Core, e come ora gestirli. Dopo la conferenza, avrai una comprensione migliore di come funziona .NET Core sotto il cofano. <\/p>\n<p>E il tema per cui si \u00e8 votato di pi\u00f9 sul sito.<\/p>\n<p><img decoding=\"async\" alt=\"Sezione Backend su DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e altro ancora\" src=\"\/wp-content\/uploads\/2019\/04\/71bbe3b6d73e3447901fe2504121f03e.jpg\" style=\"display:block;margin: 0 auto;\" \/> Una rivoluzione silenziosa \u00e8 avvenuta nel 2014, e il suo eco ci raggiunge. Da questo momento, l'infrastruttura diventa completamente invisibile e smette di avere importanza. Non si tratta di macchine virtuali e nemmeno di container: sono gi\u00e0 nel passato, ma dello sviluppo ulteriore delle idee dei servizi cloud \u2014 AWS Lambda (paghiamo solo per il tempo della CPU). Usando il proprio progetto come esempio, il backend developer in <b>Evil Martians Nikolai Svertchkov<\/b> spiegher\u00e0 tutto riguardo l'aspetto pratico del lavoro con serverless: quanto \u00e8 difficile iniziare, quanta documentazione e tutorial ci sono, se c'\u00e8 supporto per gli standard comuni, come testare localmente, quanto costa, quale linguaggio \u00e8 meglio usare e quale stack di attivit\u00e0 \u00e8 pi\u00f9 rilevante.<\/p>\n<h2><b>Masterclass<\/b><\/h2>\n<p>\n<img decoding=\"async\" alt=\"Sezione Backend su DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e altro ancora\" src=\"\/wp-content\/uploads\/2019\/04\/a636ab6b71cf4a08c1b9ff19367f312a.jpg\" style=\"display:block;margin: 0 auto;\" \/> CTO di <b>Mastery.pro Andrey Fefelov<\/b> terr\u00e0 una masterclass in cui costruir\u00e0 insieme ai partecipanti un semplice cluster a prova di errore composto da 3 nodi su postgres, patroni, consul, s3, walg, ansible. <\/p>\n<p>Dopo la masterclass, sarai in grado di avviare un tale cluster da zero, utilizzando i playbook ansible forniti. <\/p>\n<p><img decoding=\"async\" alt=\"Sezione Backend su DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e altro ancora\" src=\"\/wp-content\/uploads\/2019\/04\/7aa97e38386d5a45bf50944d691a1783.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<i>Tutte le relazioni della conferenza dello scorso anno possono essere visualizzate su <noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/user\/videoitpeople\/playlists\">canale YouTube<\/a><\/noindex><\/i><\/p>\n<p>Le tesi di tutte le relazioni e la registrazione sono sul <noindex><a rel=\"nofollow\" href=\"https:\/\/bit.ly\/2YML9wy\">sito della conferenza<\/a><\/noindex>.<\/p>\n<p>Sviluppatori, vi aspettiamo il 19 aprile a DUMP!<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/it_people\/blog\/446730\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>19 \u0430\u043f\u0440\u0435\u043b\u044f \u0432 \u0415\u043a\u0430\u0442\u0435\u0440\u0438\u043d\u0431\u0443\u0440\u0433\u0435 \u043f\u0440\u043e\u0439\u0434\u0435\u0442 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 DUMP. \u041f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0435 \u0434\u0438\u0440\u0435\u043a\u0442\u043e\u0440\u0430 \u0441\u0435\u043a\u0446\u0438\u0438 Backend \u2014 \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c \u043e\u0444\u0438\u0441\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u042f\u043d\u0434\u0435\u043a\u0441\u0430 \u0410\u043d\u0434\u0440\u0435\u0439 \u0416\u0430\u0440\u0438\u043d\u043e\u0432, \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c \u043e\u0442\u0434\u0435\u043b\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 Naumen Contact Center \u041a\u043e\u043d\u0441\u0442\u0430\u043d\u0442\u0438\u043d \u0411\u0435\u043a\u043b\u0435\u043c\u0438\u0448\u0435\u0432 \u0438 \u0438\u043d\u0436\u0435\u043d\u0435\u0440-\u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0438\u0441\u0442 \u0438\u0437 \u041a\u043e\u043d\u0442\u0443\u0440\u0430 \u0414\u0435\u043d\u0438\u0441 \u0422\u0430\u0440\u0430\u0441\u043e\u0432 \u2014 \u0440\u0430\u0441\u0441\u043a\u0430\u0437\u0430\u043b\u0438, \u043a\u0430\u043a\u0438\u0435 \u0434\u043e\u043a\u043b\u0430\u0434\u044b \u0436\u0434\u0443\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u043d\u0430 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438. \u0415\u0441\u0442\u044c \u043c\u043d\u0435\u043d\u0438\u0435, \u0447\u0442\u043e \u043e\u0442 \u0434\u043e\u043a\u043b\u0430\u0434\u043e\u0432 \u043d\u0430 \u00ab\u0444\u0435\u0441\u0442\u0438\u0432\u0430\u043b\u044c\u043d\u043e\u0439\u00bb \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438 \u043d\u0435 \u0441\u0442\u043e\u0438\u0442 \u0436\u0434\u0430\u0442\u044c \u0438\u043d\u0441\u0430\u0439\u0442\u043e\u0432. \u041d\u0430\u043c \u043a\u0430\u0436\u0435\u0442\u0441\u044f, [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":22895,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-30917","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"19 \u0430\u043f\u0440\u0435\u043b\u044f \u0432 \u0415\u043a\u0430\u0442\u0435\u0440\u0438\u043d\u0431\u0443\u0440\u0433\u0435 \u043f\u0440\u043e\u0439\u0434\u0435\u0442 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u044f \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 DUMP. \u041f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u044b\u0435 \u0434\u0438\u0440\u0435\u043a\u0442\u043e\u0440\u0430 \u0441\u0435\u043a\u0446\u0438\u0438 Backend \u2014 \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c \u043e\u0444\u0438\u0441\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u042f\u043d\u0434\u0435\u043a\u0441\u0430 \u0410\u043d\u0434\u0440\u0435\u0439 \u0416\u0430\u0440\u0438\u043d\u043e\u0432, \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c \u043e\u0442\u0434\u0435\u043b\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 Naumen Contact Center \u041a\u043e\u043d\u0441\u0442\u0430\u043d\u0442\u0438\u043d 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property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2019-10-31T18:38:13+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2019-10-31T18:38:13+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Sezione Backend al DUMP: Serverless, Postgres e Go, .NET Core, GraphQL e non solo | ProHoster","description":"Il 19 aprile a Ekaterinburg si terr\u00e0 la conferenza per sviluppatori DUMP. 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