{"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\/sk\/blog\/news\/vypusk-vstraivaemoj-subd-libmdbx-0-13-6","title":{"rendered":"Vydanie vstavan\u00e9ho DBMS libmdbx 0.13.6","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bol pre v\u00e1s uvo\u013enen\u00e1 verzia kni\u017enice libmdbx 0.13.6 (MDBX) s implement\u00e1ciou vysoko v\u00fdkonn\u00fdch kompaktnej\u0161\u00edch embeddable datab\u00e1z triedy k\u013e\u00fa\u010d-hodnota. K\u00f3d libmdbx je distribuovan\u00fd pod licenciou Apache 2.0. Podporovan\u00e9 s\u00fa v\u0161etky aktu\u00e1lne opera\u010dn\u00e9 syst\u00e9my a architekt\u00fary, vr\u00e1tane rusk\u00e9ho Elbrus 2000. Pre libmdbx je k dispoz\u00edcii rozvinut\u00e9 API pre C++, ako aj podporovan\u00e9 nad\u0161encami v\u00e4zby na jazyky Rust, Haskell, Python, NodeJS, Ruby, Go, Nim, Deno, Scala. Medzi projektmi, ktor\u00e9 pou\u017e\u00edvaj\u00fa libmdbx, mo\u017eno spomen\u00fa\u0165 Isar, Erigon a Reth, ako aj v\u00fdvoj spolo\u010dnost\u00ed StarkWare a Positive Technologies.      <\/p>\n<p>Historicky je libmdbx hlbokou rekon\u0161trukciou DB LMDB a prevy\u0161uje svojho predchodcu z h\u013eadiska spo\u013eahlivosti, sady funkci\u00ed a v\u00fdkonu. V porovnan\u00ed s LMDB sa v libmdbx kladie ve\u013ek\u00fd d\u00f4raz na kvalitu k\u00f3du, stabiln\u00fa pr\u00e1cu API, testovanie a automatick\u00e9 kontroly. Dod\u00e1va sa n\u00e1stroj na kontrolu integrity \u0161trukt\u00fary DB s niektor\u00fdmi mo\u017enos\u0165ami obnovy. Technologicky libmdbx pon\u00faka ACID, pr\u00edsnu serializ\u00e1ciu zmien a neblokuj\u00face \u010d\u00edtanie s line\u00e1rnym \u0161k\u00e1lovan\u00edm pod\u013ea jadier CPU. Podporuje automatick\u00e9 zhu\u0161\u0165ovanie, automatick\u00e9 riadenie ve\u013ekosti DB, odhad objemu v\u00fdberov pod\u013ea rozsahu (range query estimation).          <\/p>\n<p>Hlavn\u00e9 zmeny:  <\/p>\n<ul>\n<li class=\"l\"> Zmena spr\u00e1vania: Pri nemo\u017enosti odviaza\u0165 kurzor od jeho aktu\u00e1lnej transakcie funkcia mdbx_cursor_bind() teraz vracia MDBX_EINVAL namiesto MDBX_BAD_TXN.\n<li class=\"l\"> Aby sa predi\u0161lo potenci\u00e1lnym probl\u00e9mom, je pou\u017e\u00edvanie copy_file_range() vypnut\u00e9 na jadrach Linux 5.3 \u2014 5.18.\n<li class=\"l\"> Vyhadzovanie std::invalid_argument sa teraz deje s explicitnou spr\u00e1vou MDBX_EINVAL.\n<li class=\"l\"> Regres pri pou\u017eit\u00ed kurzorov pre DBI=0 (aka GC\/FreeDB) v \u010d\u00edtac\u00edch transakci\u00e1ch bol odstr\u00e1nen\u00fd.\n<li class=\"l\"> Regres v podobe chyby EAGAIN pri kop\u00edrovan\u00ed DB na NFS a CIFS\/SMB bol odstr\u00e1nen\u00fd.\n<li class=\"l\"> Pri prepracovan\u00ed\/vyv\u00edjan\u00ed API vo funkcii kop\u00edrovania bola pridan\u00e1 z\u00e1chrana s\u00faborovej z\u00e1mky prostredn\u00edctvom fcntl() aj flock(). Av\u0161ak v z\u00e1vislosti od verzie miestneho jadra, verzie vzdialen\u00e9ho <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/server\/dts-los-angeles\/\"   title=\"servera\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3964\">servera<\/a> NFS a mo\u017enost\u00ed montovania to mohlo vies\u0165 k vr\u00e1teniu POSIX chyby EAGAIN (11 na v\u00e4\u010d\u0161ine platforiem vr\u00e1tane Linuxu).\n<li class=\"l\"> Chyba merge\/rebase vo vn\u00fatri mdbx_txn_release_all_cursors_ex() bola opraven\u00e1, \u010do mohlo vies\u0165 k nasleduj\u00facim neo\u010dak\u00e1van\u00fdm chyb\u00e1m MDBX_EBADSIGN a \u00fanikom pam\u00e4te.\n<li class=\"l\">  Assert kontrola v ceste dokon\u010denia vnoren\u00fdch transakci\u00ed bola opraven\u00e1.\n<li class=\"l\">     Mo\u017enos\u0165 vr\u00e1tenia neo\u010dak\u00e1vanej chyby MDBX_BUSY z mdbx_txn_lock(dont_wait=false) bola odstr\u00e1nen\u00e1.\n<li class=\"l\">  Pre kompatibilitu s GCC 15.x v re\u017eime C23 bol zmenen\u00fd poriadok uvedenia atrib\u00fatov funkci\u00ed.          <\/ul>\n<p>Zdroj: <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 5.0.4 - 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