{"id":168915,"date":"2026-04-16T11:12:42","date_gmt":"2026-04-16T09:12:42","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/jemalloc-5-3-1"},"modified":"2026-04-16T11:12:42","modified_gmt":"2026-04-16T09:12:42","slug":"jemalloc-5-3-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/jemalloc-5-3-1","title":{"rendered":"jemalloc 5.3.1","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <noindex><\/p>\n<p>Po prawie czteroletniej przerwie (patrz &laquo;<a rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/forum\/development\/17998612\">jemalloc wszystko<\/a>&raquo;) wydana zosta\u0142a wersja 5.3.1 alokatora <a rel=\"nofollow\" href=\"https:\/\/jemalloc.net\">jemalloc<\/a> \u2013 implementacji malloc(3), w kt\u00f3rej szczeg\u00f3ln\u0105 uwag\u0119 po\u015bwi\u0119cono zapobieganiu fragmentacji oraz wsparciu skalowalnej r\u00f3wnoleg\u0142o\u015bci.<\/p>\n<p><\/noindex><\/noindex> <\/p>\n<p>Nowa wersja obejmuje ponad 390 commit\u00f3w z poprawkami b\u0142\u0119d\u00f3w, nowymi funkcjami, optymalizacjami wydajno\u015bci i popraw\u0105 przeno\u015bno\u015bci.<\/p>\n<p>Projekt napisany jest w j\u0119zyku C i jest rozpowszechniany na licencji BSD.<\/p>\n<p>Nowe funkcje:<\/p>\n<ul>\n<li>wsparcie dla pvalloc(3).<\/li>\n<li>wykrywanie podw\u00f3jnego zwolnienia pami\u0119ci w wersji debugowej;<\/li>\n<li>dodana opcja kompilacji \u2014enable-pageid do w\u0142\u0105czenia adnotacji wy\u015bwietlanej pami\u0119ci.<\/li>\n<li>dodano parametr runtime prof_bt_max do zarz\u0105dzania maksymaln\u0105 g\u0142\u0119boko\u015bci\u0105 stosu do profilowania;<\/li>\n<li>dodana opcja kompilacji \u2014enable-force-getenv do u\u017cycia getenv zamiast secure_getenv;<\/li>\n<li>dodana opcja kompilacji \u2014disable-dss do wy\u0142\u0105czenia u\u017cycia sbrk(2);<\/li>\n<li>dodano opcj\u0119 kompilacji tcache_ncached_max do zarz\u0105dzania liczb\u0105 element\u00f3w w pami\u0119ci podr\u0119cznej w\u0105tk\u00f3w.<\/li>\n<li>dodano parametr runtime calloc_madvise_threshold do okre\u015blenia, czy u\u017cywane jest j\u0105dro czy memset do zerowania przydzielonych blok\u00f3w pami\u0119ci podczas wywo\u0142ania calloc;<\/li>\n<li>dodana opcja kompilacji \u2014disable-user-config do wy\u0142\u0105czenia odczytu w czasie wykonania konfiguracji z pliku \/etc\/malloc.conf lub z zmiennej \u015brodowiskowej MALLOC_CONF;<\/li>\n<li>dodano parametr runtime disable_large_size_classes, aby zapewni\u0107 dzia\u0142anie nowego algorytmu obliczania dost\u0119pnego rozmiaru, kt\u00f3ry minimalizuje narzuty na pami\u0119\u0107 przy przydzielaniu du\u017cych blok\u00f3w pami\u0119ci wi\u0119kszych ni\u017c 4 * PAGE;<\/li>\n<li>w\u0142\u0105czone u\u017cycie process_madvise i dodany parametr runtime process_madvise_max_batch do zarz\u0105dzania maksymaln\u0105 liczb\u0105 obszar\u00f3w pami\u0119ci w ka\u017cdej &laquo;partii&raquo; madvise;<\/li>\n<li>dodano interfejsy mallctl:\n<ul>\n<li>opt.prof_bt_max;<\/li>\n<li>arena.&lt;i&gt;.name do zmiany i uzyskania nazw &laquo;areny&raquo;;<\/li>\n<li>thread.tcache.max do zmiany i uzyskiwania tcache_max bie\u017c\u0105cego w\u0105tku;<\/li>\n<li>thread.tcache.ncached_max.write i thread.tcache.ncached_max.read_sizeclass do zmiany i uzyskiwania ncached_max bie\u017c\u0105cego w\u0105tku;<\/li>\n<li>arenas.hugepage do zwracania u\u017cywanego rozmiaru hugepage, r\u00f3wnie\u017c eksportowany do statystyk malloc;<\/li>\n<li>approximate_stats.active do uzyskania przybli\u017conej warto\u015bci bie\u017c\u0105cej obj\u0119to\u015bci aktywnych bajt\u00f3w, kt\u00f3rej nie nale\u017cy por\u00f3wnywa\u0107 z innymi pozyskanymi danymi statystycznymi.<\/li>\n<\/ul>\n<\/li>\n<li>naprawiono tak\u017ce wiele b\u0142\u0119d\u00f3w i poprawiono dokumentacj\u0119.<\/li>\n<\/ul>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/development\/18266167\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u0447\u0442\u0438 \u0447\u0435\u0442\u044b\u0440\u0451\u0445\u043b\u0435\u0442\u043d\u0435\u0439 \u043f\u0430\u0443\u0437\u044b (\u0441\u043c. &laquo;jemalloc \u0432\u0441\u0451&raquo;) \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0432\u044b\u043f\u0443\u0441\u043a 5.3.1 \u0430\u043b\u043b\u043e\u043a\u0430\u0442\u043e\u0440\u0430 jemalloc &ndash; \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 malloc(3), \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043e\u0441\u043e\u0431\u043e\u0435 \u0432\u043d\u0438\u043c\u0430\u043d\u0438\u0435 \u0443\u0434\u0435\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0435\u043d\u0438\u044e \u0444\u0440\u0430\u0433\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u0438 \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0435 \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u0443\u0435\u043c\u043e\u0439 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438. \u041d\u043e\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0432 \u0441\u0435\u0431\u044f \u0431\u043e\u043b\u0435\u0435 390 \u043a\u043e\u043c\u043c\u0438\u0442\u043e\u0432 \u0441 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0435\u043c \u043e\u0448\u0438\u0431\u043e\u043a, \u043d\u043e\u0432\u044b\u043c\u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u043c\u0438, \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0438 \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u0438\u0435\u043c \u043f\u0435\u0440\u0435\u043d\u043e\u0441\u0438\u043c\u043e\u0441\u0442\u0438. \u041f\u0440\u043e\u0435\u043a\u0442 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0438 BSD. \u041d\u043e\u0432\u044b\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-168915","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=\"\u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u0447\u0442\u0438 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