{"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\/sk\/blog\/news\/vypusk-vstraivaemoj-subd-libmdbx-0-13-10","title":{"rendered":"Vydanie vstavan\u00e9ho SDB libmdbx 0.13.10","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bol zverejnen\u00fd vydanie kni\u017enice libmdbx 0.13.10 (MDBX) s realiz\u00e1ciou vysocev\u00fdkonnostnej kompaktnej vstavan\u00e9 datab\u00e1zy 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, ako aj rusk\u00fd Elbrus 2000. Pre libmdbx sa pon\u00faka vyvinut\u00e9 API pre C++, ako aj podporovan\u00e9 nad\u0161encami v\u00e4zby na jazyky Rust, Haskell, Python, NodeJS, Ruby, Go, Nim, Deno, Scala. Z projektov vyu\u017e\u00edvaj\u00facich libmdbx m\u00f4\u017eeme spomen\u00fa\u0165 Isar, Erigon a Reth, ako aj v\u00fdvoj firiem 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>V decembri 2025 bol hlavn\u00fd repozit\u00e1r projektu presunut\u00fd z GitFlic na SourceCraft. Ako d\u00f4vod s\u00fa uveden\u00e9 s\u0165a\u017enosti ne-rusky hovoriacich pou\u017e\u00edvate\u013eov a chyby v editore Markdown, ktor\u00e9 neboli opraven\u00e9 viac ako tri roky. Taktie\u017e sa uv\u00e1dzalo o zatvoren\u00ed zrkadla projektu na Github, ale nesk\u00f4r bol repozit\u00e1r obnoven\u00fd s vysvetlen\u00edm, \u017ee tak bolo u\u010dinen\u00e9 na \u017eiados\u0165 v\u00fdvoj\u00e1rov z \u010c\u00edny a Braz\u00edlie, ako aj platformy Tempo, ktor\u00e1 vyu\u017e\u00edva libmdbx.    <\/p>\n<p>Hlavn\u00e9 zmeny po predch\u00e1dzaj\u00facej spr\u00e1ve z 1. augusta:  <\/p>\n<ul>\n<li class=\"l\"> Obnovila sa podpora pre star\u00e9 jadra Linuxu, po\u010d\u00ednaj\u00fac verziou 3.16.\n<li class=\"l\"> Zabezpe\u010den\u00e1 podpora mobiln\u00e9ho opera\u010dn\u00e9ho syst\u00e9mu Harmony.\n<li class=\"l\"> Chyba &#171;MDBX_WANNA_RECOVERY&#187; pri otvoren\u00ed DB v re\u017eime iba na \u010d\u00edtanie teraz vracia, ak ve\u013ekos\u0165 DB nie je n\u00e1sobkom ve\u013ekosti syst\u00e9movej str\u00e1nky, ale ignoruje, \u017ee nie je n\u00e1sobkom ve\u013ekosti bloku alok\u00e1cie virtu\u00e1lnej pam\u00e4te.\n<li class=\"l\"> Odstr\u00e1nen\u00e1 mo\u017enos\u0165 z\u00edskania neo\u010dak\u00e1van\u00e9ho &#171;SIGBUS&#187; kv\u00f4li oneskoren\u00e9mu\/leniv\u00e9mu alokovaniu jadrom OS miesta v zaplnenej s\u00faborovej s\u00fastave po zv\u00e4\u010d\u0161en\u00ed s\u00faboru DB.\n<li class=\"l\"> Opraven\u00e1 assert kontrola v ceste skenovania bitovej mapy DBI-deskriptorov, ktor\u00e1 vedie k zriedkav\u00fdm p\u00e1dov 32-bitov\u00fdch laden\u00fdch zost\u00e1v.\n<li class=\"l\"> Pre Android bol implementovan\u00fd man\u00e9vr, ktor\u00fd zni\u017euje pravdepodobnos\u0165 syst\u00e9movej chyby &#171;EAGAIN&#187;, ktor\u00e1 vznik\u00e1 nedostatkom syst\u00e9mov\u00fdch zdrojov a prechodn\u00fdmi procesmi pri zatv\u00e1ran\u00ed a r\u00fdchlom op\u00e4tovnom otvoren\u00ed DB.\n<li class=\"l\"> Pre Linux bolo pridan\u00e9 zabr\u00e1nenie prejavovaniu chyby v implement\u00e1cii fast_commit s\u00faborov\u00e9ho syst\u00e9mu Ext4.\n<li class=\"l\"> Opraven\u00e1 nepresnos\u0165 automatick\u00e9ho prisp\u00f4sobovania parametrov pri nastaven\u00ed geometrie so zadanou minim\u00e1lnou ve\u013ekos\u0165ou str\u00e1nky, kv\u00f4li ktorej sa na strojoch s ve\u013ek\u00fdm mno\u017estvom RAM mohla ve\u013ekos\u0165 str\u00e1nky zvy\u0161ova\u0165.\n<li class=\"l\"> Prepracovan\u00e1 implement\u00e1cia b\u00faferov a vykonan\u00e9 \u010fal\u0161ie \u00fapravy v C++ API.  <\/ul>\n<p>Je tie\u017e potrebn\u00e9 poznamena\u0165 ozn\u00e1menie spr\u00e1vy &#171;libmdbx: Roadmap, \u00faspechy, ciele a prek\u00e1\u017eky&#187; na podujat\u00ed Ethereum Day, ktor\u00e9 sa uskuto\u010dn\u00ed 23. decembra v Moskve.<br \/>\n<br \/>Zdroj: <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 5.0.4 - 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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