{"id":165003,"date":"2026-03-17T17:12:39","date_gmt":"2026-03-17T15:12:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/facebook-vozobnovil-razrabotku-biblioteki-upravleniya-pamyatyu-jemalloc"},"modified":"2026-03-17T17:12:39","modified_gmt":"2026-03-17T15:12:39","slug":"facebook-vozobnovil-razrabotku-biblioteki-upravleniya-pamyatyu-jemalloc","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/facebook-vozobnovil-razrabotku-biblioteki-upravleniya-pamyatyu-jemalloc","title":{"rendered":"Facebook a reluat dezvoltarea bibliotecii de gestionare a memoriei jemalloc","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Compania Meta* a anun\u021bat reluarea dezvolt\u0103rii bibliotecii de gestionare a memoriei jemalloc, al c\u0103rei repository a fost transferat \u00een modul de arhivare \u00een iunie anul trecut. Biblioteca jemalloc ofer\u0103 o implementare alternativ\u0103 a func\u021biilor malloc, optimizat\u0103 pentru a reduce fragmentarea \u0219i pentru a func\u021biona pe sisteme multiprocesor.     <\/p>\n<p>Se observ\u0103 c\u0103 compania Meta a realizat avantajele utiliz\u0103rii jemalloc \u00een infrastructura sa \u0219i a decis s\u0103 relueze lucr\u0103rile la codul acestei biblioteci pentru a reduce costurile de \u00eentre\u021binere, modernizarea bazei de cod, eliminarea datoriei tehnice \u0219i adaptarea alocatorului pentru noi tipuri de sarcini \u0219i echipamente actuale. Dezvoltarea va continua sub forma unui proiect open-source, dezvoltat \u00eempreun\u0103 cu comunitatea \u0219i care salut\u0103 implicarea participan\u021bilor externi.    <\/p>\n<p>Biblioteca jemalloc a fost dezvoltat\u0103 de Jason Evans \u00een 2005 pentru FreeBSD 7.0, dup\u0103 care a fost portat\u0103 \u00een NetBSD \u0219i integrat\u0103 \u00een Firefox. \u00cen 2009, autorul jemalloc s-a al\u0103turat companiei Facebook, unde aceast\u0103 bibliotec\u0103 a fost utilizat\u0103 \u00een proiecte interne. \u00cen 2017, Jason a p\u0103r\u0103sit Facebook, continu\u00e2ndu-se dezvoltarea de c\u0103tre echipa r\u0103mas\u0103. Dup\u0103 redenumirea \u00een Meta, priorit\u0103\u021bile companiei s-au schimbat, dezvoltarea bibliotecii s-a oprit, concentrarea s-a axat doar pe nevoile interne, iar baza de cod public\u0103 a degradat \u00een timp. Men\u021binerea bibliotecii publice necesita o refactorizare semnificativ\u0103, dar Jason nu era dispus s\u0103 \u00ee\u0219i piard\u0103 timpul cu acest lucru \u0219i, prin urmare, cu 10 luni \u00een urm\u0103, a trecut repository-ul \u00een modul de arhivare.      <\/p>\n<p>Printre planurile pe care compania Facebook le-a stabilit pentru a le implementa dup\u0103 revigorarea proiectului se num\u0103r\u0103:  <\/p>\n<ul>\n<li class=\"l\"> Reducerea datoriilor tehnice acumulate, realizarea refactoriz\u0103rii \u0219i cur\u0103\u021b\u0103rii bazei de cod, \u00eembun\u0103t\u0103\u021birea bibliotecii pentru a men\u021bine eficien\u021ba, fiabilitatea \u0219i u\u0219urin\u021ba utiliz\u0103rii.\n<li class=\"l\"> Continuarea dezvolt\u0103rii alocatorului HPA (Huge-Page Allocator) pentru optimizarea consumului de resurse CPU prin utilizarea mai eficient\u0103 a paginilor mari de memorie (transparent hugepage).\n<li class=\"l\"> Modific\u0103ri pentru cre\u0219terea eficien\u021bei gestion\u0103rii memoriei, legate de \u00eembun\u0103t\u0103\u021birea ambal\u0103rii structurilor, a caching-ului \u0219i a cur\u0103\u021b\u0103rii blocurilor de memorie eliberate.\n<li class=\"l\"> Ad\u0103ugarea de optimiz\u0103ri pentru arhitectura AArch64 (ARM64).    <\/ul>\n<p>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65006\">opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Meta* \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u0432\u043e\u0437\u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u044c\u044e jemalloc, \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0439 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0432 \u0438\u044e\u043d\u0435 \u043f\u0440\u043e\u0448\u043b\u043e\u0433\u043e \u0433\u043e\u0434\u0430 \u0431\u044b\u043b \u043f\u0435\u0440\u0435\u0432\u0435\u0434\u0451\u043d \u0432 \u0430\u0440\u0445\u0438\u0432\u043d\u044b\u0439 \u0440\u0435\u0436\u0438\u043c. \u0411\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0430 jemalloc \u043f\u0440\u0435\u0434\u043b\u0430\u0433\u0430\u0435\u0442 \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u043d\u0443\u044e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0444\u0443\u043d\u043a\u0446\u0438\u0439 malloc, \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0443\u044e \u0434\u043b\u044f \u0441\u043d\u0438\u0436\u0435\u043d\u0438\u044f \u0444\u0440\u0430\u0433\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u0438 \u0438 \u0440\u0430\u0431\u043e\u0442\u044b \u043d\u0430 \u043c\u043d\u043e\u0433\u043e\u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445. \u041e\u0442\u043c\u0435\u0447\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Meta \u043e\u0441\u043e\u0437\u043d\u0430\u043b\u0430 \u043f\u0440\u0435\u0438\u043c\u0443\u0449\u0435\u0441\u0442\u0432\u0430 \u043e\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f jemalloc \u0432 \u0441\u0432\u043e\u0435\u0439 \u0438\u043d\u0444\u0440\u0430\u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435 \u0438 \u0440\u0435\u0448\u0438\u043b\u0430 \u0432\u043e\u0437\u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u0443 \u043d\u0430\u0434 \u043a\u043e\u0434\u043e\u043c [&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-165003","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Meta* \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u0432\u043e\u0437\u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u044c\u044e jemalloc, \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0439 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