{"id":147187,"date":"2025-11-03T11:12:30","date_gmt":"2025-11-03T09:12:30","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupen-vstraivaemyj-dvizhok-hraneniya-tidesdb-1-0-podderzhivayushhij-acid-tranzakczii"},"modified":"2026-02-26T20:20:27","modified_gmt":"2026-02-26T18:20:27","slug":"dostupen-vstraivaemyj-dvizhok-hraneniya-tidesdb-1-0-podderzhivayushhij-acid-tranzakczii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/dostupen-vstraivaemyj-dvizhok-hraneniya-tidesdb-1-0-podderzhivayushhij-acid-tranzakczii","title":{"rendered":"En inbyggd databasmotor TidesDB 1.0 \u00e4r tillg\u00e4nglig och st\u00f6der ACID-transaktioner","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Den f\u00f6rsta stabila versionen av TidesDB-projektet har publicerats, som utvecklar ett bibliotek f\u00f6r lagring av data i formatet nyckel\/v\u00e4rde. Projektet kan anv\u00e4ndas som en frist\u00e5ende motor eller f\u00f6r integrering i applikationer. Bland de viktigaste egenskaperna n\u00e4mns st\u00f6d f\u00f6r ACID-transaktioner och optimering f\u00f6r effektiv lagring av data p\u00e5 Flash-minnen och i RAM. Koden \u00e4r skriven p\u00e5 C och distribueras under MPL 2.0-licensen. Bindningar har f\u00f6rberetts f\u00f6r spr\u00e5ken C++, Go, Java, Python, Rust, Lua och JavaScript.    <\/p>\n<p>F\u00f6r lagring av data anv\u00e4nds en LSM-tree-struktur (log-strukturerat tr\u00e4d med sammanslagning), som s\u00e4kerst\u00e4ller <a href=\"https:\/\/prohoster.info\/sv\/server\/\"  data-wpil-monitor-id=\"4018\">h\u00f6g prestanda<\/a> inte bara vid l\u00e4sning, utan ocks\u00e5 vid utf\u00f6rande av skriv- och \u00e4ndringsoperationer. L\u00e4soperationer blockerar inte skrivning och l\u00e4sning av data, medan skrivoperationer blockerar endast den kolumnfamilj d\u00e4r skrivningen utf\u00f6rs. F\u00f6r ytterligare accelerering av l\u00e4sningen st\u00f6ds indexering och caching baserat p\u00e5 bloom-filter (som m\u00f6jligg\u00f6r kontroll av medlemsskap i en m\u00e4ngd, med en viss risk f\u00f6r falska negativa, men utesluter att ett existerande element missas).     <\/p>\n<p>Det finns fullst\u00e4ndigt st\u00f6d f\u00f6r ACID-transaktioner, vilket m\u00f6jligg\u00f6r atom\u00e4ra \u00e4ndringar som omfattar kolumnfamiljer, och vid behov atom\u00e4ra \u00e5terst\u00e4llningar av operationer. Data kan lagras i komprimerad form med val av komprimeringsalgoritm kopplad till kolumnfamiljen. Det \u00e4r m\u00f6jligt att s\u00e4tta l\u00e5s p\u00e5 niv\u00e5n av specifika kolumnfamiljer och packning av lagret i parallell utan att blockera utf\u00f6randet av operationer med databasen.    <\/p>\n<p>Key features:    <\/p>\n<ul>\n<li class=\"l\"> \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0441\u0435\u043c\u0435\u0439\u0441\u0442\u0432 \u0441\u0442\u043e\u043b\u0431\u0446\u043e\u0432 (Column Families) &#8212; \u0438\u0437\u043e\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043d\u0430\u0431\u043e\u0440\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445  \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 \u043a\u043b\u044e\u0447\/\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f. \u0414\u043b\u044f \u043a\u0430\u0436\u0434\u043e\u0433\u043e \u0441\u0435\u043c\u0435\u0439\u0441\u0442\u0432\u0430 \u0441\u0442\u043e\u043b\u0431\u0446\u043e\u0432 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442\u0441\u044f \u0441\u0432\u043e\u0438 memtable, SSTable \u0438 WAL-\u043b\u043e\u0433.\n<li class=\"l\"> ACID-transaktioner som omfattar flera operationer med kolumnfamiljer.\n<li class=\"l\"> Optimering f\u00f6r parallell \u00e5tkomst till data.\n<li class=\"l\"> St\u00f6d f\u00f6r tv\u00e5v\u00e4gsiteratorer, som m\u00f6jligg\u00f6r iterering av nyckel\/v\u00e4rde-par fram\u00e5t eller bak\u00e5t fr\u00e5n en vald position i lagret, med hj\u00e4lp av en initialt definierad sorteringsmetod.\n<li class=\"l\"> St\u00f6d f\u00f6r att l\u00e4gga till egna j\u00e4mf\u00f6relsefunktioner f\u00f6r nycklar. Inbyggda j\u00e4mf\u00f6relsefunktioner s\u00e5som memcmp, string och numeric finns.\n<li class=\"l\"> Loggning av operationer (WAL, Write-Ahead Log) och automatisk \u00e5terst\u00e4llning av memtable (minnesbaserat lagringsutrymme) fr\u00e5n denna logg vid start.\n<li class=\"l\"> Anv\u00e4ndning av Bloom-filter f\u00f6r att minimera \u00e5tkomsten till lagringen genom att kontrollera f\u00f6rekomsten av nyckeln f\u00f6re l\u00e4sning fr\u00e5n SSTable (permanent lagring).\n<li class=\"l\"> St\u00f6d f\u00f6r algoritmerna Snappy, LZ4 och ZSTD f\u00f6r komprimering av poster i SSTable-lagringen och WAL-logg.\n<li class=\"l\"> M\u00f6jlighet att definiera livstid f\u00f6r poster (TTL) och automatisk uteslutning av f\u00f6rfallna poster.\n<li class=\"l\"> Tre l\u00e4gen f\u00f6r datasykronisering i RAM med permanent lagring: NONE (snabbast), BACKGROUND (balanserad), FULL (mest tillf\u00f6rlitlig).\n<li class=\"l\"> M\u00f6jlighet att konfigurera storleken p\u00e5 memtable, komprimeringsmetoder, bloom-filter, synkroniseringsl\u00e4ge och paketeringsparametrar f\u00f6r varje kolumnfamilj.\n<li class=\"l\"> Ett enkelt C API som returnerar 0 vid framg\u00e5ng och -1 vid fel.\n<li class=\"l\"> Anv\u00e4ndning av SBHA (Sorted Binary Hash Array) f\u00f6r snabb databasgenoms\u00f6kning i SSTable, vilket m\u00f6jligg\u00f6r best\u00e4mning av offset f\u00f6r block med nycklar utan fullst\u00e4ndig skanning.\n<li class=\"l\"> Kompakt, b\u00e4rbart bin\u00e4rt format f\u00f6r databasrepresentation med versionsst\u00f6d.\n<li class=\"l\"> Inbyggda mekanismer f\u00f6r integritetskontroll, felidentifiering och \u00e5terst\u00e4llning.      <\/ul>\n<p>K\u00e4lla: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64171\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043f\u0435\u0440\u0432\u044b\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 TidesDB, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 \u043a\u043b\u044e\u0447\/\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435. \u041f\u0440\u043e\u0435\u043a\u0442 \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u043a\u0430\u043a \u043e\u0431\u043e\u0441\u043e\u0431\u043b\u0435\u043d\u043d\u043e \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0435\u043c\u044b\u0439 \u0434\u0432\u0438\u0436\u043e\u043a \u0438\u043b\u0438 \u0434\u043b\u044f \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u043d\u0438\u044f \u0432 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f. \u0418\u0437 \u043a\u043b\u044e\u0447\u0435\u0432\u044b\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439 \u043e\u0442\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 ACID-\u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u0439 \u0438 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u044f \u0434\u043b\u044f \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u043d\u0430 Flash-\u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u044f\u0445 \u0438 \u0432 \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438. \u041a\u043e\u0434 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 MPL 2.0. [&hellip;]<\/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-147187","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043f\u0435\u0440\u0432\u044b\u0439 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 TidesDB, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0443 \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 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