{"id":151941,"date":"2025-12-18T11:11:55","date_gmt":"2025-12-18T09:11:55","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-vstraivaemoj-subd-libmdbx-0-13-10"},"modified":"2025-12-18T11:11:55","modified_gmt":"2025-12-18T09:11:55","slug":"vypusk-vstraivaemoj-subd-libmdbx-0-13-10","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/vypusk-vstraivaemoj-subd-libmdbx-0-13-10","title":{"rendered":"Wydanie wbudowanej bazy danych libmdbx 0.13.10","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Opublikowano wydanie biblioteki libmdbx 0.13.10 (MDBX) z realizacj\u0105 wydajnej, kompaktowej bazy danych do osadzania typu klucz-warto\u015b\u0107. Kod libmdbx jest dystrybuowany na licencji Apache 2.0. Obs\u0142ugiwane s\u0105 wszystkie aktualne systemy operacyjne i architektury, w tym rosyjski Elbrus 2000. Dla libmdbx dost\u0119pne jest rozwini\u0119te API dla C++, a tak\u017ce wsparcie dla j\u0119zyk\u00f3w Rust, Haskell, Python, NodeJS, Ruby, Go, Nim, Deno i Scala. W\u015br\u00f3d projekt\u00f3w korzystaj\u0105cych z libmdbx mo\u017cna wymieni\u0107 Isar, Erigon i Reth, a tak\u017ce rozwi\u0105zania 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>W grudniu 2025 roku g\u0142\u00f3wne repozytorium projektu zosta\u0142o przeniesione z GitFlic na SourceCraft. Powodem s\u0105 skargi u\u017cytkownik\u00f3w nie rosyjskoj\u0119zycznych oraz b\u0142\u0119dy w edytorze Markdown, kt\u00f3rych nie naprawiono przez ponad trzy lata. Doniesiono r\u00f3wnie\u017c o zamkni\u0119ciu lustra projektu na GitHubie, ale p\u00f3\u017aniej repozytorium zosta\u0142o przywr\u00f3cone z wyja\u015bnieniem, \u017ce zrobiono to na pro\u015bb\u0119 programist\u00f3w z Chin i Brazylii, a tak\u017ce platformy Tempo, kt\u00f3ra korzysta z libmdbx.    <\/p>\n<p>G\u0142\u00f3wne zmiany po poprzedniej wiadomo\u015bci z 1 sierpnia:  <\/p>\n<ul>\n<li class=\"l\"> Przywr\u00f3cono wsparcie dla starych j\u0105der Linux, pocz\u0105wszy od wersji 3.16.\n<li class=\"l\"> Zapewniono wsparcie mobilnego systemu operacyjnego Harmony.\n<li class=\"l\"> B\u0142\u0105d &#171;MDBX_WANNA_RECOVERY&#187; przy otwieraniu bazy danych w trybie tylko do odczytu jest teraz zg\u0142aszany, gdy rozmiar bazy danych nie jest wielokrotno\u015bci\u0105 rozmiaru strony systemowej, ale ignorowana jest niepodzielno\u015b\u0107 przez rozmiar bloku alokacji pami\u0119ci wirtualnej.\n<li class=\"l\"> Usuni\u0119to mo\u017cliwo\u015b\u0107 wyst\u0105pienia nieoczekiwanego &#171;SIGBUS&#187; z powodu op\u00f3\u017anionej\/wleniwionej alokacji miejsca przez j\u0105dro systemu operacyjnego w wype\u0142nionym systemie plik\u00f3w po powi\u0119kszeniu pliku bazy danych.\n<li class=\"l\"> Poprawiono sprawdzanie asercji w \u015bcie\u017cce skanowania bitmapy DBI, co prowadzi\u0142o do rzadkich awarii 32-bitowych wersji debuguj\u0105cych.\n<li class=\"l\"> Dla Androida zrealizowano manewr redukuj\u0105cy prawdopodobie\u0144stwo wyst\u0105pienia b\u0142\u0119du systemowego &#171;EAGAIN&#187;, kt\u00f3ry pojawia si\u0119 z powodu niedoboru zasob\u00f3w systemowych i proces\u00f3w przej\u015bciowych przy zamykaniu i szybkim ponownym otwieraniu bazy danych.\n<li class=\"l\"> Dla Linuxa dodano zapobieganie wyst\u0119powaniu b\u0142\u0119du w implementacji fast_commit systemu plik\u00f3w Ext4.\n<li class=\"l\"> Poprawiono b\u0142\u0105d automatycznej regulacji parametr\u00f3w podczas ustawiania geometrii z okre\u015blonym minimalnym rozmiarem strony, co mog\u0142o powodowa\u0107 zwi\u0119kszenie rozmiaru strony na maszynach z du\u017c\u0105 ilo\u015bci\u0105 RAM.\n<li class=\"l\"> Przepracowano implementacj\u0119 bufor\u00f3w i wprowadzono inne ulepszenia w interfejsie API C++.  <\/ul>\n<p>Dodatkowo warto wspomnie\u0107 o zapowiedzi wyk\u0142adu &#171;libmdbx: Roadmap, sukcesy, cele i przeszkody&#187; na wydarzeniu Ethereum Day, kt\u00f3re odb\u0119dzie si\u0119 23 grudnia w Moskwie.<br \/>\n<br \/>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64441\">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 0.13.10 (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-151941","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 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 0.13.10 (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 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