Ben Johnson, autor NoSQL \u00falo\u017ei\u0161t\u011b BoltDB, p\u0159edstavil projekt Litestream, kter\u00fd poskytuje roz\u0161\u00ed\u0159en\u00ed pro organizaci replikace dat v SQLite. Litestream nevy\u017eaduje \u017e\u00e1dn\u00e9 zm\u011bny v SQLite a m\u016f\u017ee pracovat s jak\u00fdmikoliv aplikacemi, kter\u00e9 tuto knihovnu pou\u017e\u00edvaj\u00ed. Replikace je zaji\u0161\u0165ov\u00e1na samostatn\u00fdm b\u011b\u017e\u00edc\u00edm procesem na pozad\u00ed, kter\u00fd sleduje zm\u011bny v souborech datab\u00e1ze a p\u0159en\u00e1\u0161\u00ed je do jin\u00e9ho souboru nebo do extern\u00edho \u00falo\u017ei\u0161t\u011b. K\u00f3d projektu je naps\u00e1n v jazyce Go a je \u0161\u00ed\u0159en pod licenc\u00ed Apache 2.0. <\/p>\n
Ve\u0161ker\u00e1 interakce s datab\u00e1z\u00ed prob\u00edh\u00e1 prost\u0159ednictv\u00edm standardn\u00edho API SQLite, co\u017e znamen\u00e1, \u017ee Litestream p\u0159\u00edmo nezasahuje do operac\u00ed, neovliv\u0148uje v\u00fdkon a nem\u016f\u017ee po\u0161kodit obsah datab\u00e1ze, co\u017e d\u011bl\u00e1 Litestream v\u00fdhodn\u011bj\u0161\u00ed ve srovn\u00e1n\u00ed s takov\u00fdmi \u0159e\u0161en\u00edmi jako Rqlite a Dqlite. Zm\u011bny jsou sledov\u00e1ny prost\u0159ednictv\u00edm aktivace WAL protokolu (\"Write-Ahead Log\") v SQLite. Pro \u00fasporu m\u00edsta v \u00falo\u017ei\u0161ti syst\u00e9m pravideln\u011b agreguje proud zm\u011bn do sn\u00edmk\u016f datab\u00e1ze, na kter\u00e9 se za\u010d\u00ednaj\u00ed akumulovat dal\u0161\u00ed zm\u011bny. \u010cas vytv\u00e1\u0159en\u00ed sn\u00edmk\u016f je uveden v nastaven\u00ed, nap\u0159\u00edklad je mo\u017en\u00e9 tvo\u0159it sn\u00edmky jednou denn\u011b nebo jednou za hodinu. <\/p>\n
Mezi hlavn\u00ed oblasti pou\u017eit\u00ed Litestream pat\u0159\u00ed organizace bezpe\u010dn\u00e9 z\u00e1lohy a distribuce z\u00e1t\u011b\u017ee pro \u010dten\u00ed na v\u00edce. servery<\/a>Podporuje p\u0159enos toku zm\u011bn do \u00falo\u017ei\u0161\u0165 Amazon S3, Azure Blob Storage, Backblaze B2, DigitalOcean Spaces, Scaleway Object Storage, Google Cloud Storage, Linode Object Storage nebo na jak\u00fdkoli extern\u00ed host, kter\u00fd podporuje protokol SFTP. 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Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"