{"id":54919,"date":"2020-01-08T00:00:00","date_gmt":"2020-01-07T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/vtoroj-kandidat-v-relizy-libmdbx-v1-0-posle-pyati-let-razrabotki"},"modified":"2020-02-18T14:02:59","modified_gmt":"2020-02-18T11:02:59","slug":"vtoroj-kandidat-v-relizy-libmdbx-v1-0-posle-pyati-let-razrabotki","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vtoroj-kandidat-v-relizy-libmdbx-v1-0-posle-pyati-let-razrabotki","title":{"rendered":"Druh\u00fd kandid\u00e1t na vyd\u00e1n\u00ed libmdbx v1.0 po p\u011bti letech v\u00fdvoje.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <\/p>\n<p>Knihovna <a rel=\"nofollow\" href=\"https:\/\/github.com\/leo-yuriev\/libmdbx\">libmdbx<\/a> je v\u00fdrazn\u011b p\u0159epracovan\u00fdm potomkem LMDB \u2014 vysoce v\u00fdkonn\u00e9, kompaktn\u00ed embedded datab\u00e1ze typu kl\u00ed\u010d-hodnota.<\/noindex><br \/>\nAktu\u00e1ln\u00ed verze v0.5 je technick\u00fdm vyd\u00e1n\u00edm, kter\u00e9 ozna\u010duje dokon\u010den\u00ed jak\u00fdchkoli \u00faprav a p\u0159echod do f\u00e1ze ve\u0159ejn\u00e9ho fin\u00e1ln\u00edho testov\u00e1n\u00ed a stabilizace, s n\u00e1sledn\u00fdm vytvo\u0159en\u00edm prvn\u00edho plnohodnotn\u00e9ho vyd\u00e1n\u00ed knihovny.<\/p>\n<p><noindex><\/p>\n<p><a rel=\"nofollow\" href=\"https:\/\/ru.bmstu.wiki\/LMDB_(Lightning_Memory-Mapped_Database)\">LMDB<\/a> je dostate\u010dn\u011b zn\u00e1mou transak\u010dn\u00ed embedded DBMS typu \u201ekl\u00ed\u010d-hodnota\u201c zalo\u017eenou na <a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/B%E2%81%BA-%D0%B4%D0%B5%D1%80%D0%B5%D0%B2%D0%BE\">B+ stromu<\/a> bez <a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%A3%D0%BF%D1%80%D0%B5%D0%B6%D0%B4%D0%B0%D1%8E%D1%89%D0%B0%D1%8F_%D0%B6%D1%83%D1%80%D0%BD%D0%B0%D0%BB%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D1%8F\">v p\u0159edstihu zapisuj\u00edc\u00ed \u017eurn\u00e1ln\u00ed syst\u00e9m<\/a>, kter\u00e1 umo\u017e\u0148uje stovk\u00e1m v\u00edcerozm\u011brn\u00fdch proces\u016f konkuren\u010dn\u011b a vysoce efektivn\u011b pracovat s lok\u00e1ln\u011b sd\u00edlenou (ne s\u00ed\u0165ovou) DB. Samotn\u00fd MDBX je rychlej\u0161\u00ed a spolehliv\u011bj\u0161\u00ed ne\u017e LMDB, p\u0159i\u010dem\u017e libmdbx zachov\u00e1v\u00e1 v\u0161echny kl\u00ed\u010dov\u00e9 mo\u017enosti sv\u00e9ho p\u0159edch\u016fdce, jako jsou <a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/ACID\">ACID<\/a> a neblokuj\u00edc\u00ed \u010dten\u00ed s line\u00e1rn\u00edm \u0161k\u00e1lov\u00e1n\u00edm podle jader CPU, a tak\u00e9 p\u0159id\u00e1v\u00e1 n\u011bkolik nov\u00fdch.<\/p>\n<p><\/noindex><\/p>\n<p>Popis rozd\u00edl\u016f a vylep\u0161en\u00ed libmdbx v\u016f\u010di LMDB si zaslou\u017e\u00ed samostatn\u00fd \u010dl\u00e1nek (pl\u00e1novan\u00e9 publikace na \u201eHabr\u00e9\u201c a \u201eMedium\u201c). Zde je vhodn\u00e9 zm\u00ednit ty nejd\u016fle\u017eit\u011bj\u0161\u00ed a nejv\u00fdrazn\u011bj\u0161\u00ed:<\/p>\n<ul>\n<li>V\u00fdrazn\u011b v\u00edce pozornosti je v\u011bnov\u00e1no kvalit\u011b k\u00f3du, testov\u00e1n\u00ed a automatick\u00e9mu ov\u011b\u0159ov\u00e1n\u00ed.<\/li>\n<li>Podstatn\u011b v\u00edce kontroly b\u011bhem pr\u00e1ce, po\u010d\u00ednaje kontrolou parametr\u016f, kon\u010de intern\u00edm auditem struktur datab\u00e1ze.<\/li>\n<li>Automatick\u00e1 kompakce a automatick\u00e9 \u0159\u00edzen\u00ed velikosti datab\u00e1ze.<\/li>\n<li>Jednotn\u00fd form\u00e1t datab\u00e1ze pro 32-bitov\u00e9 a 64-bitov\u00e9 verze.<\/li>\n<li>Odhad objemu v\u00fdb\u011br\u016f podle rozsahu (range query estimation).<\/li>\n<li>Podpora kl\u00ed\u010d\u016f dvojn\u00e1sobn\u011b v\u011bt\u0161\u00edch a u\u017eivatelsky voliteln\u00e9 velikosti str\u00e1nky DB.<\/li>\n<\/ul>\n<p>Vydan\u00fd release candidate libmdbx je v\u00fdsledkem rozhodnut\u00ed (viz d\u00e1le) o rozd\u011blen\u00ed projekt\u016f MDBX a MithrilDB v srpnu 2019. P\u0159itom bylo rozhodnuto odstranit (racion\u00e1ln\u00ed) maximum technick\u00e9ho dluhu a stabilizovat knihovnu. V praxi bylo v tomto sm\u011bru ud\u011bl\u00e1no 2-3kr\u00e1t v\u00edce, ne\u017e bylo p\u016fvodn\u011b odhadov\u00e1no a pl\u00e1nov\u00e1no:<\/p>\n<ul>\n<li>Byla implementov\u00e1na podpora pro Mac OS a platformy \u201edruh\u00e9ho sledu\u201c: FreeBSD, Solaris, DragonFly BSD, OpenBSD, NetBSD. Podpora AIX a HP-UX m\u016f\u017ee b\u00fdt p\u0159id\u00e1na podle pot\u0159eby.<\/li>\n<li>Byla provedena sanace k\u00f3du pomoc\u00ed Undefined Behavior Sanitizer a Address Sanitizer, odstran\u011bna v\u0161echna varov\u00e1n\u00ed p\u0159i sestaven\u00ed s -Wpedantic, v\u0161echna varov\u00e1n\u00ed Coverity Static Analyzer atd.<\/li>\n<li>Aktualizace <a rel=\"nofollow\" href=\"https:\/\/github.com\/leo-yuriev\/libmdbx\/blob\/master\/mdbx.h\">popisu API<\/a>.<\/li>\n<li>Amalgama\u010dn\u00ed zdrojov\u00fd k\u00f3d pro snadn\u00e9 vlo\u017een\u00ed.<\/li>\n<li>Podpora CMake.<\/li>\n<li>Podpora vno\u0159en\u00fdch transakc\u00ed.<\/li>\n<li>Pou\u017eit\u00ed bootid pro ur\u010den\u00ed skute\u010dnosti restartu OS (\u0161pinav\u00e9ho zastaven\u00ed DB).<\/li>\n<li>Celkov\u00fd p\u0159ehled aktualizovan\u00fdch\/star\u00fdch str\u00e1nek a roz\u0161\u00ed\u0159en\u00e9 informace o transakc\u00edch.<\/li>\n<li>Mo\u017enost MDBX_ACCEDE pro p\u0159ipojen\u00ed k ji\u017e otev\u0159en\u00e9 datab\u00e1zi v kompatibiln\u00edm re\u017eimu.<\/li>\n<li>Pou\u017eit\u00ed <a rel=\"nofollow\" href=\"https:\/\/www.gnu.org\/software\/libc\/manual\/html_node\/Open-File-Description-Locks.html\">OFD z\u00e1mky<\/a> v p\u0159\u00edpad\u011b jejich dostupnosti.<\/li>\n<li>Hork\u00e9 z\u00e1lohov\u00e1n\u00ed pomoc\u00ed pipe.<\/li>\n<li>Specializovan\u00fd optimalizovan\u00fd algoritmus vnit\u0159n\u00edho t\u0159\u00edd\u011bn\u00ed (a\u017e 2-3x rychlej\u0161\u00ed ne\u017e qsort() a a\u017e o 30 % rychlej\u0161\u00ed ne\u017e std::sort()).<\/li>\n<li>Zv\u00fd\u0161ena maxim\u00e1ln\u00ed d\u00e9lka kl\u00ed\u010de.<\/li>\n<li>Automatick\u00e9 \u0159\u00edzen\u00ed na\u010d\u00edt\u00e1n\u00ed (strategie ukl\u00e1d\u00e1n\u00ed do vyrovn\u00e1vac\u00ed pam\u011bti datab\u00e1zov\u00e9ho souboru v pam\u011bti).<\/li>\n<li>Agresivn\u011bj\u0161\u00ed a rychlej\u0161\u00ed automatick\u00e1 kompakce.<\/li>\n<li>Optim\u00e1ln\u011bj\u0161\u00ed strategie slou\u010den\u00ed str\u00e1nek B+ stromu.<\/li>\n<li>Kontrola ne-lok\u00e1ln\u00edch souborov\u00fdch syst\u00e9m\u016f (NFS, Samba atd.) pro prevenci po\u0161kozen\u00ed datab\u00e1ze p\u0159i nespr\u00e1vn\u00e9m pou\u017e\u00edv\u00e1n\u00ed.<\/li>\n<li>Roz\u0161\u00ed\u0159en\u00e1 sada test\u016f.<\/li>\n<\/ul>\n<p><noindex><\/p>\n<p>V\u00fdvoj 'dal\u0161\u00ed' verze libmdbx bude pokra\u010dovat v r\u00e1mci samostatn\u00e9ho projektu <a rel=\"nofollow\" href=\"https:\/\/github.com\/leo-yuriev\/MithrilDB\">MithrilDB<\/a>, zat\u00edmco v\u00fdvoj 'aktu\u00e1ln\u00ed' verze MDBX je zam\u011b\u0159en na zafixov\u00e1n\u00ed sady funkc\u00ed a stabilizaci. Toto rozhodnut\u00ed bylo p\u0159ijato ze t\u0159\u00ed d\u016fvod\u016f:<\/p>\n<p><\/noindex><\/p>\n<ul>\n<li>\u00dapln\u00e1 nekompatibilita: pro realizaci v\u0161ech pl\u00e1novan\u00fdch funkc\u00ed v MithrilDB je vy\u017eadov\u00e1n jin\u00fd (nekompatibiln\u00ed) form\u00e1t datab\u00e1zov\u00fdch soubor\u016f a jin\u00e9 (nekompatibiln\u00ed) API.<\/li>\n<li>Nov\u00fd zdrojov\u00fd k\u00f3d: pro zdrojov\u00fd k\u00f3d MithrilDB je zaji\u0161t\u011bna licen\u010dn\u00ed nez\u00e1vislost na LMDB a samotn\u00fd projekt bude pl\u00e1nov\u00e1n k publikaci pod jinou licenc\u00ed (schv\u00e1lenou <a rel=\"nofollow\" href=\"https:\/\/opensource.org\/\">OSI<\/a> licenc\u00ed <a rel=\"nofollow\" href=\"https:\/\/opensource.org\/licenses\/Apache-2.0\">Apache 2.0<\/a>, a ne <a rel=\"nofollow\" href=\"https:\/\/www.openldap.org\/software\/release\/license.html\">OpenLDAP Foundation<\/a>).<\/li>\n<li>Rozd\u011blen\u00ed umo\u017e\u0148uje vyhnout se potenci\u00e1ln\u00edm z\u00e1m\u011bn\u00e1m, poskytnout v\u00edce jasnosti a zajistit nez\u00e1vislost v\u00fdvoje projekt\u016f.<\/li>\n<\/ul>\n<p><noindex><\/p>\n<p>MithrilDB, stejn\u011b jako MDBX, se tak\u00e9 zakl\u00e1d\u00e1 na <a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/B%E2%81%BA-%D0%B4%D0%B5%D1%80%D0%B5%D0%B2%D0%BE\">B+ stromu<\/a> a tak\u00e9 se bude vyzna\u010dovat maxim\u00e1ln\u00ed v\u00fdkonem, p\u0159i\u010dem\u017e odstran\u00ed \u0159adu z\u00e1sadn\u00edch nev\u00fdhod MDBX a LMDB. Zejm\u00e9na bude odstran\u011bn probl\u00e9m 'dlouh\u00fdch \u010dten\u00ed', kter\u00fd se projevuje jako 'nafouknut\u00ed' datab\u00e1ze v d\u016fsledku toho, \u017ee zpracov\u00e1n\u00ed odpadu je blokov\u00e1no dlouh\u00fdmi \u010dtec\u00edmi transakcemi. Mezi nov\u00e9 mo\u017enosti MithrilDB pat\u0159\u00ed:<\/p>\n<p><\/noindex><\/p>\n<ul>\n<li>podpora um\u00edst\u011bn\u00ed datab\u00e1ze na n\u011bkolika r\u016fznorod\u00fdch m\u00e9di\u00edch: HDD, SSD a energie-nez\u00e1visl\u00e9 pam\u011bti.<\/li>\n<li>optim\u00e1ln\u00ed strategie pro 'cenn\u00e9' a 'm\u00e9n\u011b cenn\u00e9', pro 'hork\u00e1', 'tepl\u00e1' a 'studen\u00e1' data.<\/li>\n<li>pou\u017eit\u00ed Merkle tree pro kontrolu integrity datab\u00e1ze.<\/li>\n<li>voliteln\u00e9 pou\u017eit\u00ed WAL a v\u00fdrazn\u011b vy\u0161\u0161\u00ed v\u00fdkon v sc\u00e9n\u00e1\u0159\u00edch s intenzivn\u00edm z\u00e1pisem a z\u00e1rukami integrity dat.<\/li>\n<li>leniv\u00e9 dojezdov\u00e9 zaznamen\u00e1v\u00e1n\u00ed dat na disc\u00edch.<\/li>\n<\/ul>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"http:\/\/www.linux.org.ru\/news\/opensource\/15450965\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 libmdbx \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u043c \u043f\u043e\u0442\u043e\u043c\u043a\u043e\u043c LMDB \u2014 \u043f\u0440\u0435\u0434\u0435\u043b\u044c\u043d\u043e \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\u043e\u0439 \u0434\u0430\u043d\u043d\u044b\u0445 \u043a\u043b\u0430\u0441\u0441\u0430 \u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435. \u0422\u0435\u043a\u0443\u0449\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f v0.5 \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u043c \u0440\u0435\u043b\u0438\u0437\u043e\u043c, \u043e\u0442\u043c\u0435\u0447\u0430\u0435\u0442 \u0437\u0430\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u0435 \u043a\u0430\u043a\u0438\u0445-\u043b\u0438\u0431\u043e \u0434\u043e\u0440\u0430\u0431\u043e\u0442\u043e\u043a \u0438 \u043f\u0435\u0440\u0435\u0445\u043e\u0434 \u043a \u0444\u0430\u0437\u0435 \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u043e\u0433\u043e \u0444\u0438\u043d\u0430\u043b\u044c\u043d\u043e\u0433\u043e \u0442\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u0441\u0442\u0430\u0431\u0438\u043b\u0438\u0437\u0430\u0446\u0438\u0438, \u0441 \u043f\u043e\u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u043c \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043f\u0435\u0440\u0432\u043e\u0433\u043e \u043f\u043e\u043b\u043d\u043e\u0446\u0435\u043d\u043d\u043e\u0433\u043e \u0440\u0435\u043b\u0438\u0437\u0430 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438. LMDB \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e\u0439 \u0442\u0440\u0430\u043d\u0437\u0430\u043a\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0432\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u043c\u043e\u0439 \u0421\u0423\u0411\u0414 \u043a\u043b\u0430\u0441\u0441\u0430 \u00ab\u043a\u043b\u044e\u0447-\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u00bb \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u0434\u0435\u0440\u0435\u0432\u0430 B+ [&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-54919","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 libmdbx \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u043c \u043f\u043e\u0442\u043e\u043c\u043a\u043e\u043c LMDB \u2014 \u043f\u0440\u0435\u0434\u0435\u043b\u044c\u043d\u043e \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\u043e\u0439.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/cs\/blog\/news\/vtoroj-kandidat-v-relizy-libmdbx-v1-0-posle-pyati-let-razrabotki\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0412\u0442\u043e\u0440\u043e\u0439 \u043a\u0430\u043d\u0434\u0438\u0434\u0430\u0442 \u0432 \u0440\u0435\u043b\u0438\u0437\u044b libmdbx v1.0 \u043f\u043e\u0441\u043b\u0435 \u043f\u044f\u0442\u0438 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438. | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 libmdbx \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u043c \u043f\u043e\u0442\u043e\u043c\u043a\u043e\u043c LMDB \u2014 \u043f\u0440\u0435\u0434\u0435\u043b\u044c\u043d\u043e \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\u043e\u0439.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/cs\/blog\/news\/vtoroj-kandidat-v-relizy-libmdbx-v1-0-posle-pyati-let-razrabotki\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-01-07T21:00:00+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-02-18T11:02:59+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Druh\u00fd kandid\u00e1t na vyd\u00e1n\u00ed libmdbx v1.0 po p\u011bti letech v\u00fdvoje. | ProHoster","description":"Knihovna libmdbx je v\u00fdrazn\u011b p\u0159epracovan\u00fdm potomkem LMDB \u2013 mimo\u0159\u00e1dn\u011b v\u00fdkonnou, kompaktn\u00ed vestav\u011bnou datab\u00e1z\u00ed.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/vtoroj-kandidat-v-relizy-libmdbx-v1-0-posle-pyati-let-razrabotki","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412\u0442\u043e\u0440\u043e\u0439 \u043a\u0430\u043d\u0434\u0438\u0434\u0430\u0442 \u0432 \u0440\u0435\u043b\u0438\u0437\u044b libmdbx v1.0 \u043f\u043e\u0441\u043b\u0435 \u043f\u044f\u0442\u0438 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438. | ProHoster","og:description":"\u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 libmdbx \u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u043c \u043f\u043e\u0442\u043e\u043c\u043a\u043e\u043c LMDB \u2014 \u043f\u0440\u0435\u0434\u0435\u043b\u044c\u043d\u043e \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\u043e\u0439.","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/vtoroj-kandidat-v-relizy-libmdbx-v1-0-posle-pyati-let-razrabotki","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-01-07T21:00:00+00:00","article:modified_time":"2020-02-18T11:02:59+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"54919","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":"2026-01-24 13:11:22","breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 19:55:36","updated":"2026-01-24 13:11:22","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/54919","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=54919"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/54919\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=54919"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=54919"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=54919"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}