{"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\/pl\/blog\/news\/vypusk-vstraivaemoj-subd-libmdbx-0-13-6","title":{"rendered":"Wydanie wbudowanej bazy danych libmdbx 0.13.6","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Opublikowano wersj\u0119 biblioteki libmdbx 0.13.6 (MDBX) z realizacj\u0105 wysoko wydajnej, kompaktowej bazy danych typu klucz-warto\u015b\u0107. Kod libmdbx jest obj\u0119ty licencj\u0105 Apache 2.0. Obs\u0142ugiwane s\u0105 wszystkie aktualne systemy operacyjne i architektury, a tak\u017ce rosyjski Elbrus 2000. Dla libmdbx oferowane jest rozwini\u0119te API dla C++, a tak\u017ce wspierane przez entuzjast\u00f3w powi\u0105zania z j\u0119zykami Rust, Haskell, Python, NodeJS, Ruby, Go, Nim, Deno i Scala. Z projekt\u00f3w wykorzystuj\u0105cych libmdbx mo\u017cna wymieni\u0107 Isar, Erigon i Reth, a tak\u017ce opracowania firm StarkWare i Positive Technologies.      <\/p>\n<p>Historicznie libmdbx jest g\u0142\u0119bok\u0105 przer\u00f3bk\u0105 DBMS LMDB i przewy\u017csza swojego przodka pod wzgl\u0119dem niezawodno\u015bci, funkcji i wydajno\u015bci. W por\u00f3wnaniu do LMDB, w libmdbx du\u017c\u0105 uwag\u0119 po\u015bwi\u0119cono jako\u015bci kodu, stabilno\u015bci API, testowaniu i automatycznym kontrolom. Dostarczane narz\u0119dzie do weryfikacji integralno\u015bci struktury bazy danych oferuje tak\u017ce pewne mo\u017cliwo\u015bci przywracania. Technologicznie libmdbx zapewnia ACID, \u015bcis\u0142\u0105 serializacj\u0119 zmian i nieblokuj\u0105ce odczyty z liniowym skalowaniem po rdzeniach CPU. Obs\u0142ugiwane jest automatyczne kompresowanie, automatyczne zarz\u0105dzanie rozmiarem bazy danych oraz oszacowanie obj\u0119to\u015bci zapyta\u0144 w zakresie (range query estimation).          <\/p>\n<p>G\u0142\u00f3wne zmiany:  <\/p>\n<ul>\n<li class=\"l\"> Zmiana zachowania: W przypadku niemo\u017cno\u015bci odwi\u0105zania kursora od jego aktualnej transakcji, funkcja mdbx_cursor_bind() teraz zwraca MDBX_EINVAL zamiast MDBX_BAD_TXN.\n<li class=\"l\"> Aby unikn\u0105\u0107 potencjalnych problem\u00f3w, u\u017cycie copy_file_range() jest wy\u0142\u0105czone w j\u0105drach Linux 5.3 \u2014 5.18.\n<li class=\"l\"> Rzucanie std::invalid_argument teraz odbywa si\u0119 z wyra\u017anym komunikatem MDBX_EINVAL.\n<li class=\"l\"> Wyeliminowano regresj\u0119 przy u\u017cywaniu kursor\u00f3w dla DBI=0 (aka GC\/FreeDB) w transakcjach czytaj\u0105cych.\n<li class=\"l\"> Wyeliminowano regresj\u0119 w postaci b\u0142\u0119du EAGAIN podczas kopiowania bazy danych na NFS i CIFS\/SMB.\n<li class=\"l\"> Podczas dalszego rozwoju API w funkcji kopiowania dodano przechwytywanie blokady plik\u00f3w zar\u00f3wno przez fcntl(), jak i flock(). Jednak w zale\u017cno\u015bci od wersji lokalnego j\u0105dra, wersji zdalnego <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pl\/server\/dts-los-angeles\/\"   title=\"serwera\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3964\">serwera<\/a> NFS i opcji montowania, mog\u0142o to prowadzi\u0107 do zwracania b\u0142\u0119du POSIX EAGAIN (11 na wi\u0119kszo\u015bci platform, w tym Linux).\n<li class=\"l\"> Naprawiono b\u0142\u0105d merge\/rebase w mdbx_txn_release_all_cursors_ex(), co mog\u0142o prowadzi\u0107 do p\u00f3\u017aniejszych nieoczekiwanych b\u0142\u0119d\u00f3w MDBX_EBADSIGN i wyciek\u00f3w pami\u0119ci.\n<li class=\"l\">  Naprawiono sprawdzenie asercji w \u015bcie\u017cce zako\u0144czenia zagnie\u017cd\u017conych transakcji.\n<li class=\"l\">     Wyeliminowano mo\u017cliwo\u015b\u0107 zwr\u00f3cenia nieoczekiwanego b\u0142\u0119du MDBX_BUSY z mdbx_txn_lock(dont_wait=false).\n<li class=\"l\">  Dla zgodno\u015bci z GCC 15.x w trybie C23 zmieniono kolejno\u015b\u0107 podawania atrybut\u00f3w funkcji.          <\/ul>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - 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