{"id":168709,"date":"2026-04-14T17:12:49","date_gmt":"2026-04-14T15:12:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/dostupna-biblioteka-upravleniya-pamyatyu-jemalloc-5-3-1"},"modified":"2026-04-14T17:12:49","modified_gmt":"2026-04-14T15:12:49","slug":"dostupna-biblioteka-upravleniya-pamyatyu-jemalloc-5-3-1","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/dostupna-biblioteka-upravleniya-pamyatyu-jemalloc-5-3-1","title":{"rendered":"Biblioteka p\u00ebr menaxhimin e memories jemalloc 5.3.1 \u00ebsht\u00eb n\u00eb dispozicion","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"
Pas 4 vjet\u00ebsh nga publikimi i p\u00ebrdit\u00ebsimit t\u00eb fundit, l\u00ebshohet versioni i bibliotek\u00ebs p\u00ebr menaxhimin e memories jemalloc 5.3.1, e cila ofron nj\u00eb realizim alternativ t\u00eb funksioneve malloc, t\u00eb optimizuar p\u00ebr t\u00eb reduktuar fragmentimin dhe p\u00ebr t\u00eb punuar n\u00eb sisteme me shum\u00eb procesor\u00eb. P\u00ebr t\u00eb zgjidhur problemet me bllokimet n\u00eb sisteme me shum\u00eb b\u00ebrthama, n\u00eb jemalloc p\u00ebr \u00e7do b\u00ebrtham\u00eb CPU p\u00ebrdoret nj\u00eb zon\u00eb e izoluar e shp\u00ebrndarjes s\u00eb memories, q\u00eb lejon arritjen e nj\u00eb shkall\u00ebzueshm\u00ebrie lineare me rritjen e numrit t\u00eb thread-\u00ebve. <\/p>\n
N\u00eb qershor 2025, autori i projektit ndali mb\u00ebshtetje dhe e kaloi repositorin jemalloc n\u00eb modin arkiv, por nj\u00eb muaj m\u00eb par\u00eb, zhvillimin e rinisi kompania Meta, e cila p\u00ebrdor jemalloc n\u00eb infrastruktur\u00ebn e saj. Fillimisht, biblioteka u zhvillua p\u00ebr FreeBSD dhe p\u00ebrdoret n\u00eb k\u00ebt\u00eb OS si standard q\u00eb nga viti 2005. Kodi i bibliotek\u00ebs \u00ebsht\u00eb shkruar n\u00eb C dhe shp\u00ebrndahet n\u00ebn licenc\u00ebn BSD. <\/p>\n
Among the changes: <\/p>\n
\n
\u00cbsht\u00eb realizuar funksioni pvalloc, i cili mund t\u00eb jet\u00eb i dobish\u00ebm p\u00ebr t\u00eb z\u00ebvend\u00ebsuar alokatorin e memories libc.\n
N\u00eb nd\u00ebrtimet e de-bugimit \u00ebsht\u00eb aktivizuar regjimi i zbulimit t\u00eb thirrjeve t\u00eb dyfishta t\u00eb funksionit free(). P\u00ebr t\u00eb konfiguroni madh\u00ebsin\u00eb e stack-ut, brenda t\u00eb cilit ekzekutohet skanimi, \u00ebsht\u00eb shtuar parametri debug_double_free_max_scan.\n
Shto \u00ebsht\u00eb shtuar opsioni i nd\u00ebrtimit «—enable-pageid» p\u00ebr caktimin e etiketave gjat\u00eb mapimit t\u00eb memories, duke p\u00ebrdorur prctl me flagun PR_SET_VMA. Pas aktivizimit, mapimi mund t\u00eb ndiqet n\u00eb \/proc\/\/maps.\n
\u00cbsht\u00eb shtuar parametri «prof_bt_max», i cili lejon caktimin e thell\u00ebsis\u00eb maksimale t\u00eb stack-ut p\u00ebr profilizim.\n
Shtohet opsioni i nd\u00ebrtimit «—enable-force-getenv» p\u00ebr t\u00eb p\u00ebrdorur n\u00eb kodin e zakonsh\u00ebm funksionin getenv() n\u00eb vend t\u00eb sigurizuar secure_getenv().\n
Shtohet opsioni i nd\u00ebrtimit «—disable-dss» p\u00ebr t\u00eb \u00e7aktivizuar p\u00ebrdorimin e funksionit sbrk().\n
\u00cbsht\u00eb shtuar parametri «tcache_ncached_max» p\u00ebr t\u00eb kufizuar numrin e elementeve n\u00eb cache-in e proceseve.\n
Shtohet parametri «calloc_madvise_threshold» p\u00ebr t\u00eb konfiguruar p\u00ebrdorimin e mekanizmit t\u00eb kernelit madvise ose funksionit memset p\u00ebr t\u00eb zerozuar memorjen e alokuar p\u00ebrmes funksionit calloc.\n
Shtohet opsioni i nd\u00ebrtimit «—disable-user-config» p\u00ebr t\u00eb \u00e7aktivizuar ngarkimin e konfigurimeve nga skedari \/etc\/malloc.conf ose variabla e ambientit MALLOC_CONF.\n
\u00cbsht\u00eb shtuar parametri «process_madvise_max_batch» p\u00ebr t\u00eb kufizuar numrin e blloqeve t\u00eb memories p\u00ebr \u00e7do operacion madvise me grup.\n
Shtohet parametri «disable_large_size_classes» p\u00ebr t\u00eb \u00e7aktivizuar algoritmin e ri t\u00eb llogaritjes s\u00eb kapacitetit t\u00eb memorjes, q\u00eb redukton shpenzimet n\u00eb alokimin e blloqeve m\u00eb t\u00eb m\u00ebdha se 4 faqe memoria.\n