{"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\/fr\/blog\/news\/vypusk-vstraivaemoj-subd-libmdbx-0-13-6","title":{"rendered":"Publication de la base de donn\u00e9es int\u00e9gr\u00e9e libmdbx 0.13.6","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La version de la biblioth\u00e8que libmdbx 0.13.6 (MDBX) a \u00e9t\u00e9 publi\u00e9e, avec la r\u00e9alisation d'une base de donn\u00e9es int\u00e9gr\u00e9e compacte et haute performance de type cl\u00e9-valeur. Le code de libmdbx est distribu\u00e9 sous la licence Apache 2.0. Toutes les versions actuelles des syst\u00e8mes d'exploitation et des architectures sont prises en charge, ainsi que le Elbrus 2000 russe. Pour libmdbx, une API d\u00e9velopp\u00e9e pour C++ est propos\u00e9e, ainsi que des liaisons prises en charge par des passionn\u00e9s pour les langages Rust, Haskell, Python, NodeJS, Ruby, Go, Nim, Deno, Scala. Parmi les projets utilisant libmdbx, on peut noter Isar, Erigon et Reth, ainsi que les d\u00e9veloppements des entreprises StarkWare et Positive Technologies.      <\/p>\n<p>Historiquement, libmdbx est une refonte approfondie de la base de donn\u00e9es LMDB et surpasse son pr\u00e9d\u00e9cesseur en termes de fiabilit\u00e9, de fonctionnalit\u00e9s et de performances. Compar\u00e9 \u00e0 LMDB, libmdbx accorde une grande attention \u00e0 la qualit\u00e9 du code, \u00e0 la stabilit\u00e9 de l'API, \u00e0 la testabilit\u00e9 et aux v\u00e9rifications automatiques. Un outil de v\u00e9rification de l'int\u00e9grit\u00e9 de la structure de la base de donn\u00e9es est \u00e9galement fourni, offrant certaines capacit\u00e9s de r\u00e9cup\u00e9ration. Techniquement, libmdbx propose ACID, une s\u00e9rialisation stricte des changements et une lecture non bloquante avec un scalabilit\u00e9 lin\u00e9aire sur les c\u0153urs CPU. La compression automatique, la gestion automatique de la taille de la base de donn\u00e9es et l'estimation de la taille des requ\u00eates par intervalles (range query estimation) sont \u00e9galement prises en charge.          <\/p>\n<p>Principales modifications :  <\/p>\n<ul>\n<li class=\"l\"> Changement de comportement : Lorsqu'il n'est pas possible de d\u00e9tacher le curseur de sa transaction actuelle, la fonction mdbx_cursor_bind() retourne maintenant MDBX_EINVAL au lieu de MDBX_BAD_TXN.\n<li class=\"l\"> Pour \u00e9viter d'\u00e9ventuels probl\u00e8mes, l'utilisation de copy_file_range() est d\u00e9sactiv\u00e9e sur les noyaux Linux 5.3 \u2014 5.18.\n<li class=\"l\"> Une erreur std::invalid_argument est maintenant g\u00e9n\u00e9r\u00e9e avec un message explicite MDBX_EINVAL.\n<li class=\"l\"> Un retour en arri\u00e8re lors de l'utilisation de curseurs pour DBI=0 (alias GC\/FreeDB) dans les transactions de lecture a \u00e9t\u00e9 corrig\u00e9.\n<li class=\"l\"> Un retour en arri\u00e8re sous forme d'erreur EAGAIN lors de la copie de la base de donn\u00e9es sur NFS et CIFS\/SMB a \u00e9t\u00e9 corrig\u00e9.\n<li class=\"l\"> Lors des am\u00e9liorations et du d\u00e9veloppement de l'API dans la fonction de copie, un blocage de fichier a \u00e9t\u00e9 ajout\u00e9 via fcntl() et flock(). Cependant, en fonction de la version du noyau local, de la version distante <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/server\/dts-los-angeles\/\"   title=\"de serveurs\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3964\">de serveurs<\/a> NFS et des options de montage, cela pouvait entra\u00eener le retour d'une erreur POSIX EAGAIN (11 sur la plupart des plateformes, y compris Linux).\n<li class=\"l\"> Un bogue de merge\/rebase dans mdbx_txn_release_all_cursors_ex() a \u00e9t\u00e9 corrig\u00e9, ce qui pouvait entra\u00eener des erreurs MDBX_EBADSIGN inattendues et des fuites de m\u00e9moire.\n<li class=\"l\">  La v\u00e9rification assertion dans le chemin de fin des transactions imbriqu\u00e9es a \u00e9t\u00e9 corrig\u00e9e.\n<li class=\"l\">     La possibilit\u00e9 de retourner une erreur MDBX_BUSY inattendue de mdbx_txn_lock(dont_wait=false) a \u00e9t\u00e9 corrig\u00e9e.\n<li class=\"l\">  Pour la compatibilit\u00e9 avec GCC 15.x en mode C23, l'ordre des attributs de fonction a \u00e9t\u00e9 modifi\u00e9.          <\/ul>\n<p>Source : <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 5.0.2 - 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