{"id":123648,"date":"2025-04-25T03:05:17","date_gmt":"2025-04-25T01:05:17","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-vstraivaemoj-subd-libmdbx-0-13-6"},"modified":"2025-04-25T03:05:17","modified_gmt":"2025-04-25T01:05:17","slug":"vypusk-vstraivaemoj-subd-libmdbx-0-13-6","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-vstraivaemoj-subd-libmdbx-0-13-6","title":{"rendered":"Release of the embedded DBMS libmdbx 0.13.6","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Udgaven version 0.13.6 af libmdbx (MDBX) med implementering af en h\u00f8jtydende, kompakt indlejret n\u00f8gle-v\u00e6rdi database. Koden til libmdbx distribueres under Apache 2.0 licensen. Den underst\u00f8tter alle aktuelle operativsystemer og arkitekturer samt den russiske Elbrus 2000. Der tilbydes et omfattende API til C++, samt underst\u00f8ttelse af bindings til Rust, Haskell, Python, NodeJS, Ruby, Go, Nim, Deno og Scala, som vedligeholdes af entusiaster. Blandt projekterne, der bruger libmdbx, kan n\u00e6vnes Isar, Erigon og Reth samt udviklinger fra StarkWare og Positive Technologies.      <\/p>\n<p>Historisk set er libmdbx en dybdeg\u00e5ende omarbejdning af DBMS LMDB og overg\u00e5r sin forg\u00e6nger med hensyn til p\u00e5lidelighed, funktionaliteter og ydeevne. Sammenlignet med LMDB l\u00e6gger libmdbx stor v\u00e6gt p\u00e5 kodekvalitet, stabiliteten af API'et, testning og automatiserede kontroller. Der medf\u00f8lger et v\u00e6rkt\u00f8j til at kontrollere databasen's integritet med nogle genoprettelsesmuligheder. Teknologisk set tilbyder libmdbx ACID, streng serialisering af \u00e6ndringer og ikke-blokerende l\u00e6sning med line\u00e6r skalering p\u00e5 CPU-kerner. Der er st\u00f8tte til automatisk komprimering, automatisk administration af database st\u00f8rrelse og estimat af foresp\u00f8rgselsvolumen over intervaller (range query estimation).          <\/p>\n<p>Vigtige \u00e6ndringer:  <\/p>\n<ul>\n<li class=\"l\"> Adf\u00e6rds\u00e6ndring: N\u00e5r det ikke er muligt at afbinde kursoren fra sin nuv\u00e6rende transaktion, returnerer funktionen mdbx_cursor_bind() nu MDBX_EINVAL i stedet for MDBX_BAD_TXN.\n<li class=\"l\"> For at undg\u00e5 potentielle problemer er brugen af copy_file_range() deaktiveret p\u00e5 Linux-kerneller 5.3 \u2014 5.18.\n<li class=\"l\"> Std::invalid_argument exception kastes nu med en eksplicit meddelelse om MDBX_EINVAL.\n<li class=\"l\"> Regression afhjulpet ved brug af kursorer til DBI=0 (aka GC\/FreeDB) i l\u00e6se-transaktioner.\n<li class=\"l\"> Regression der resulterede i EAGAIN-fejl ved kopiering af database til NFS og CIFS\/SMB er l\u00f8st.\n<li class=\"l\"> Under opdateringer\/udvikling af API'et i copy-funktionen er filens l\u00e5sning inkluderet ved hj\u00e6lp af b\u00e5de fcntl() og flock(). Men afh\u00e6ngigt af versionen af den lokale kerne, versionen af den fjerne NFS og monteringsindstillingerne kunne dette medf\u00f8re tilbagevenden af POSIX-fejlen EAGAIN (11 p\u00e5 de fleste platforme, herunder Linux). <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/server\/dts-los-angeles\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3964\">server<\/a> Fejl i merge\/rebase indeni mdbx_txn_release_all_cursors_ex() er afhjulpet, hvilket kunne have f\u00f8rt til f\u00f8lgende uventede fejl MDBX_EBADSIGN og hukommelsesl\u00e6kager.\n<li class=\"l\"> Assert-kontrol i afslutningen af indlejrede transaktioner er rettet.\n<li class=\"l\">  Muligheden for at f\u00e5 en uventet fejl MDBX_BUSY fra mdbx_txn_lock(dont_wait=false) er blevet elimineret.\n<li class=\"l\">     Der er rettet til en assert-kontrol i slutningen af indlejrede transaktioner.\n<li class=\"l\">  For compatibility with GCC 15.x in C23 mode, the order of function attribute specification has been changed.          <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63134\">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 \u0432\u044b\u043f\u0443\u0441\u043a \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 libmdbx 0.13.6 (MDBX) \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u043e\u0439 \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0431\u0430\u0437\u044b \u0434\u0430\u043d\u043d\u044b\u0445 \u043a\u043b\u0430\u0441\u0441\u0430 \u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435. \u041a\u043e\u0434 libmdbx \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 Apache 2.0. \u041f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u0432\u0441\u0435 \u0430\u043a\u0442\u0443\u0430\u043b\u044c\u043d\u044b\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0438 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u044b, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u0438\u0439 \u042d\u043b\u044c\u0431\u0440\u0443\u0441 2000. \u0414\u043b\u044f libmdbx \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u0442\u0441\u044f \u0440\u0430\u0437\u0432\u0438\u0442\u043e\u0435 API \u0434\u043b\u044f C++, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0435 \u044d\u043d\u0442\u0443\u0437\u0438\u0430\u0441\u0442\u0430\u043c\u0438 \u043f\u0440\u0438\u0432\u044f\u0437\u043a\u0438 \u043a \u044f\u0437\u044b\u043a\u0430\u043c Rust, Haskell, Python, NodeJS, Ruby, Go, Nim, [&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-123648","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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