{"id":103994,"date":"2022-05-10T09:36:51","date_gmt":"2022-05-10T07:36:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/predstavlen-litestream-s-realizacziej-sistemy-replikaczii-dlya-sqlite"},"modified":"2022-05-10T09:36:51","modified_gmt":"2022-05-10T07:36:51","slug":"predstavlen-litestream-s-realizacziej-sistemy-replikaczii-dlya-sqlite","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/predstavlen-litestream-s-realizacziej-sistemy-replikaczii-dlya-sqlite","title":{"rendered":"Esitatud on Litestream, mis rakendab andmete replikatsiooni s\u00fcsteemi SQLite jaoks","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Ben Johnson, BoltDB NoSQL andmehoidla autor, tutvustas projekti Litestream, mis pakub lisakihti andmete replikatsiooni korraldamiseks SQLite'is. Litestream ei n\u00f5ua SQLite'is muudatusi ja saab t\u00f6\u00f6tada mis tahes rakendustega, mis kasutavad seda teeki. Replikatsiooni teostab eraldi t\u00f6\u00f6tav taustaprotsess, mis j\u00e4lgib andmefailides toimuvaid muudatusi ja edastab need teise faili v\u00f5i v\u00e4lishoidlisse. Projekti kood on kirjutatud Go keeles ja see jaotatakse Apache 2.0 litsentsi alusel. <\/p>\n

K\u00f5ik andmebaasi interaktsioonid toimuvad standardse SQLite API kaudu, st Litestream ei sekkunud otse t\u00f6\u00f6sse, ei m\u00f5juta j\u00f5udlust ja ei suuda andmebaasi sisu kahjustada, mis eristab Litestream'i sellistest lahendustest nagu Rqlite ja Dqlite. Muudatusi j\u00e4lgitakse WAL-kirjeldusfaili (\"Write-Ahead Log\") aktiveerimise kaudu SQLite's. Ladustamiste ruumi s\u00e4\u00e4stmiseks koondab s\u00fcsteem perioodiliselt muudatusvoogusid andmebaasi l\u00f5igudeks (snapshot'id), mille peale hakkavad kogunema teised muudatused. L\u00f5ikude loomise aeg on seadistustes m\u00e4\u00e4ratud, n\u00e4iteks v\u00f5ib l\u00f5ike luua kord p\u00e4evas v\u00f5i kord tunnis. <\/p>\n

Litestreami peamisteks rakendusaladeks on turvalise varukoopia loomine ja lugemisekoormuse jaotus mitme vahel. serverid<\/a>Toetatakse muudatuste voolu edastamist Amazon S3, Azure Blob Storage, Backblaze B2, DigitalOcean Spaces, Scaleway Object Storage, Google Cloud Storage, Linode Object Storage v\u00f5i mis tahes v\u00e4lishostile, mis toetab SFTP protokolli. Kui p\u00f5hiteabehoidla sisu on kahjustatud, v\u00f5ib varukoopia taastada vastavalt kindlale ajamomendile, kindlale muutusele, viimasele muudatusele v\u00f5i m\u00e4\u00e4ratud l\u00f5igule.
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0411\u0435\u043d \u0414\u0436\u043e\u043d\u0441\u043e\u043d (Ben Johnson), \u0430\u0432\u0442\u043e\u0440 NoSQL-\u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0430 BoltDB, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u043f\u0440\u043e\u0435\u043a\u0442 Litestream, \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0439 \u043d\u0430\u0434\u0441\u0442\u0440\u043e\u0439\u043a\u0443 \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0435\u043f\u043b\u0438\u043a\u0430\u0446\u0438\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 SQLite. Litestream \u043d\u0435 \u0442\u0440\u0435\u0431\u0443\u0435\u0442 \u0432\u043d\u0435\u0441\u0435\u043d\u0438\u044f \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432 SQLite \u0438 \u043c\u043e\u0436\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0441 \u043b\u044e\u0431\u044b\u043c\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u043c\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u043c\u0438 \u0434\u0430\u043d\u043d\u0443\u044e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443. \u0420\u0435\u043f\u043b\u0438\u043a\u0430\u0446\u0438\u0435\u0439 \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442\u0441\u044f \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0439 \u0444\u043e\u043d\u043e\u0432\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u0435\u0442 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 \u0444\u0430\u0439\u043b\u0430\u0445 \u0441 \u0411\u0414 \u0438 \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0438\u0442 \u0438\u0445 \u0432 \u0434\u0440\u0443\u0433\u043e\u0439 \u0444\u0430\u0439\u043b \u0438\u043b\u0438 \u0432\u043e […]<\/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-103994","post","type-post","status-publish","format-standard","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\udd47Tutvustatud Litestream koos SQLite'i replikatsioonis\u00fcsteemi 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