{"id":144566,"date":"2025-10-09T17:11:54","date_gmt":"2025-10-09T15:11:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/sistema-szhatiya-openzl-operezhayushhaya-zstd-i-xz-po-skorosti-i-urovnyu-szhatiya-strukturirovannyh-dannyh"},"modified":"2025-10-09T17:11:54","modified_gmt":"2025-10-09T15:11:56","slug":"sistema-szhatiya-openzl-operezhayushhaya-zstd-i-xz-po-skorosti-i-urovnyu-szhatiya-strukturirovannyh-dannyh","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/sistema-szhatiya-openzl-operezhayushhaya-zstd-i-xz-po-skorosti-i-urovnyu-szhatiya-strukturirovannyh-dannyh","title":{"rendered":"Sistemi i kompresimit OpenZL, i cili tejkalon Zstd dhe XZ n\u00eb shpejt\u00ebsi dhe nivelin e kompresimit t\u00eb t\u00eb dh\u00ebnave t\u00eb strukturuara.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kompania Meta* ka prezantuar nj\u00eb mjet p\u00ebr kompresimin dhe dekompresimin e t\u00eb dh\u00ebnave OpenZL, q\u00eb, krahasuar me formatet Zstd dhe XZ, demonstron nj\u00eb nivel m\u00eb t\u00eb lart\u00eb kompresimi dhe shpejt\u00ebsi pune. OpenZL \u00ebsht\u00eb dizajnuar p\u00ebr kompresimin efikas t\u00eb grupeve t\u00eb strukturuara t\u00eb t\u00eb dh\u00ebnave, t\u00eb tilla si ato q\u00eb p\u00ebrdoren n\u00eb m\u00ebsimin e makinerive, si dhe depozita q\u00eb p\u00ebrmbajn\u00eb fusha me lloje t\u00eb ndryshme informacioni t\u00eb p\u00ebrs\u00ebritur. Kodi OpenZL \u00ebsht\u00eb shkruar n\u00eb C\/C++ dhe \u00ebsht\u00eb n\u00eb dispozicion me licenc\u00eb BSD. <\/p>\n

Gjat\u00eb kompresimit t\u00eb nj\u00eb DB me katalogun astronomik t\u00eb yjeve SAO, mjeti OpenZL arriti t\u00eb reduktoj\u00eb madh\u00ebsin\u00eb e t\u00eb dh\u00ebnave me 2.06 her\u00eb, nd\u00ebrsa algoritmi zstd kompresoi informacionin 1.31 her\u00eb dhe XZ 1.64 her\u00eb. Po ashtu, p\u00ebr sa i p\u00ebrket shpejt\u00ebsis\u00eb s\u00eb kompresimit, OpenZL e kaloi zstd-n\u00eb me dy her\u00eb (203 MB\/s kundrejt 115 MB\/s) dhe XZ-n\u00eb me 65 her\u00eb (203 MB\/s kundrejt 3.1 MB\/s). Dekomprimimi n\u00eb OpenZL rezultoi disi m\u00eb i ngadalsh\u00ebm se zstd (822 MB\/s kundrejt 890 MB\/s) dhe 27 her\u00eb m\u00eb i shpejt\u00eb se XZ.

\"Sistemi<\/center> <\/p>\n

OpenZL nuk \u00ebsht\u00eb nj\u00eb algorit\u00ebm i cil\u00ebsis\u00eb s\u00eb p\u00ebrgjithshme dhe tregon rezultate t\u00eb mira vet\u00ebm p\u00ebr t\u00eb dh\u00ebna me struktur\u00eb t\u00eb njohur paraprakisht. Funksionimi i OpenZL p\u00ebrfshin gjenerimin adaptiv t\u00eb paketuesve mbi baz\u00ebn e p\u00ebrshkrimit t\u00eb dh\u00ebnave t\u00eb dor\u00ebzuara. Si rezultat, formohet kodi p\u00ebr kompresimin t\u00eb optimizuar p\u00ebr formatin e caktuar t\u00eb t\u00eb dh\u00ebnave. P\u00ebr dekomprimimin p\u00ebrdoret nj\u00eb paketues universal, i cili \u00ebsht\u00eb i p\u00ebrshtatsh\u00ebm p\u00ebr t\u00eb gjith\u00eb paketuesit e gjeneruar. <\/p>\n

Paketimi dhe dekompresimi realizohen me nj\u00eb utilitar «zli» ose bibliotek\u00ebn libopenzl. Struktura e t\u00eb dh\u00ebnave p\u00ebrshkruhet n\u00eb form\u00ebn e profileve. N\u00eb p\u00ebrmbajtjen e saj p\u00ebrfshihet nj\u00eb grup me profile t\u00eb paracaktuara q\u00eb p\u00ebrshkruajn\u00eb formatet tipike t\u00eb ruajtjes. P\u00ebr shembull, nj\u00eb profil p\u00ebr formatin CSV ose t\u00eb dh\u00ebna q\u00eb ruhen n\u00eb form\u00ebn e nj\u00eb vargu t\u00eb numrave 64-bit. Kompresimi p\u00ebrfshin zgjedhjen e profilit me komand\u00ebn «zli list-profiles» dhe nisjen e procesit t\u00eb paketimit me komand\u00ebn «zli compress —profile emri_profilit». P\u00ebr dekompromitimin, mjafton t\u00eb nisni «zli decompress». <\/p>\n

P\u00ebr formatet specifike k\u00ebrkohet krijimi i nj\u00eb profili t\u00eb vet, duke p\u00ebrdorur komand\u00ebn «zli train», e cila identifikon rregullat n\u00eb t\u00eb dh\u00ebna dhe formon nj\u00eb profil me nivelin optimal t\u00eb kompresimit. Duke p\u00ebrdorur opsionin «—pareto-frontier» profili i krijuar mund t\u00eb p\u00ebrmir\u00ebsohet n\u00eb drejtim t\u00eb shpejtimit t\u00eb paketimit ose dekompresimit, me kosto t\u00eb zbritjes s\u00eb nivelit t\u00eb kompresimit. P\u00ebr p\u00ebrshkrimin e formateve t\u00eb nd\u00ebrlikuara me struktura t\u00eb brendshme dhe p\u00ebrcaktimin e shp\u00ebrndarjes s\u00eb formateve t\u00eb t\u00eb dh\u00ebnave n\u00eb struktura mund t\u00eb p\u00ebrdoret gjuha SDDL (Simple Data Description Language). <\/p>\n

Metoda e krijimit t\u00eb paketuesve optimal\u00eb bazohet n\u00eb p\u00ebrdorimin e nj\u00eb grupi kodifikuesish primitiv\u00eb, secili prej t\u00eb cil\u00ebve \u00ebsht\u00eb m\u00eb efikas p\u00ebr lloje dhe sekuenca t\u00eb ve\u00e7anta t\u00eb t\u00eb dh\u00ebnave. P\u00ebr kompresimin formohet nj\u00eb graf orientimi acyclic t\u00eb p\u00ebrpunimit t\u00eb t\u00eb dh\u00ebnave, ku nyjat jan\u00eb kodek\u00ebt dhe skelat jan\u00eb opsionet e t\u00eb dh\u00ebnave n\u00eb formatin e p\u00ebrpunuar. Sipas llojit t\u00eb t\u00eb dh\u00ebnave q\u00eb vijn\u00eb n\u00eb hyrje, zgjidhet nj\u00eb varg kodek\u00ebsh q\u00eb kompreson optimalisht elementin e dh\u00ebn\u00eb t\u00eb t\u00eb dh\u00ebnave. Me nj\u00eb organizim t\u00eb till\u00eb, titulli i skedarit kompresohet me nj\u00eb kodek, fusha me t\u00eb dh\u00ebna t\u00eb plota me nj\u00eb t\u00eb dyt\u00eb, fusha me nj\u00eb num\u00ebrues rrit\u00ebs me nj\u00eb t\u00eb tret\u00eb, dhe fusha me t\u00eb dh\u00ebna string me nj\u00eb t\u00eb kat\u00ebrt.

\"Sistemi<\/center>
\n
Burimi: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Meta* \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0434\u043b\u044f \u0441\u0436\u0430\u0442\u0438\u044f \u0438 \u0440\u0430\u0441\u043f\u0430\u043a\u043e\u0432\u043a\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 OpenZL, \u043f\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e \u0441 \u0444\u043e\u0440\u043c\u0430\u0442\u0430\u043c\u0438 Zstd \u0438 XZ \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0441\u0436\u0430\u0442\u0438\u044f \u0438 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u044b. OpenZL \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d \u0434\u043b\u044f \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u0441\u0436\u0430\u0442\u0438\u044f \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u043d\u0430\u0431\u043e\u0440\u043e\u0432 \u0434\u0430\u043d\u043d\u044b\u0445, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u0445 \u043f\u0440\u0438 \u043c\u0430\u0448\u0438\u043d\u043d\u043e\u043c \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u0438, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449, \u0441\u043e\u0434\u0435\u0440\u0436\u0430\u0449\u0438\u0445 \u043f\u043e\u043b\u044f \u0441 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u043c\u0438 \u043f\u043e\u0432\u0442\u043e\u0440\u044f\u044e\u0449\u0438\u043c\u0438\u0441\u044f \u0442\u0438\u043f\u0430\u043c\u0438 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438. \u041a\u043e\u0434 OpenZL \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 C\/C++ \u0438 \u043e\u0442\u043a\u0440\u044b\u0442 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":144567,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-144566","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Sistemi i kompresimit OpenZL, q\u00eb tejkalon Zstd dhe XZ n\u00eb shpejt\u00ebsi dhe nivelin e kompresimit t\u00eb t\u00eb dh\u00ebnave t\u00eb strukturuar | ProHoster","description":"Kompania Meta* prezantoi nj\u00eb mjet p\u00ebr kompresimin dhe dekompresimin e t\u00eb dh\u00ebnave OpenZL, e cila, krahasuar me formatet Zstd dhe XZ, tregon nj\u00eb nivel m\u00eb t\u00eb lart\u00eb kompresimi dhe shpejt\u00ebsi m\u00eb t\u00eb madhe n\u00eb funksionim. OpenZL \u00ebsht\u00eb zhvilluar p\u00ebr kompresimin efikas t\u00eb grupeve t\u00eb dh\u00ebnash t\u00eb strukturuara, p\u00ebr shembull, ato q\u00eb p\u00ebrdoren n\u00eb m\u00ebsimin e makinave, si dhe t\u00eb depozitave q\u00eb p\u00ebrmbajn\u00eb fusha me lloje t\u00eb ndryshme informacioni q\u00eb p\u00ebrs\u00ebriten. Kodi OpenZL \u00ebsht\u00eb shkruar n\u00eb C\/C++ dhe \u00ebsht\u00eb i hapur.","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/sistema-szhatiya-openzl-operezhayushhaya-zstd-i-xz-po-skorosti-i-urovnyu-szhatiya-strukturirovannyh-dannyh","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sq_AL","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\u0421\u0438\u0441\u0442\u0435\u043c\u0430 \u0441\u0436\u0430\u0442\u0438\u044f OpenZL, \u043e\u043f\u0435\u0440\u0435\u0436\u0430\u044e\u0449\u0430\u044f Zstd \u0438 XZ \u043f\u043e \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u0438 \u0438 \u0443\u0440\u043e\u0432\u043d\u044e \u0441\u0436\u0430\u0442\u0438\u044f \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 | ProHoster","og:description":"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Meta* \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0434\u043b\u044f \u0441\u0436\u0430\u0442\u0438\u044f \u0438 \u0440\u0430\u0441\u043f\u0430\u043a\u043e\u0432\u043a\u0438 \u0434\u0430\u043d\u043d\u044b\u0445 OpenZL, \u043f\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e \u0441 \u0444\u043e\u0440\u043c\u0430\u0442\u0430\u043c\u0438 Zstd \u0438 XZ \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u0443\u044e\u0449\u0438\u0439 \u0431\u043e\u043b\u0435\u0435 \u0432\u044b\u0441\u043e\u043a\u0438\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c \u0441\u0436\u0430\u0442\u0438\u044f \u0438 \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u044b. 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