{"id":100438,"date":"2021-06-04T16:22:49","date_gmt":"2021-06-04T14:22:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-cache-bench-0-1-0-dlya-issledovaniya-effektivnosti-keshirovaniya-fajlov-pri-nehvatke-pamyati"},"modified":"2021-06-04T16:22:49","modified_gmt":"2021-06-04T14:22:49","slug":"vypusk-cache-bench-0-1-0-dlya-issledovaniya-effektivnosti-keshirovaniya-fajlov-pri-nehvatke-pamyati","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/vypusk-cache-bench-0-1-0-dlya-issledovaniya-effektivnosti-keshirovaniya-fajlov-pri-nehvatke-pamyati","title":{"rendered":"Lansarea cache-bench 0.1.0 pentru a studia eficien\u021ba caching-ului fi\u0219ierelor \u00een condi\u021bii de memorie insuficient\u0103","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>cache-bench \u2014 este un script Python care permite evaluarea impactului set\u0103rilor de memorie virtual\u0103 (vm.swappiness, vm.watermark_scale_factor, cadrul LRU multigenerational \u0219i altele) asupra performan\u021bei execu\u021biei sarcinilor a c\u0103ror realizare depinde de cache-ul opera\u021biunilor de citire a fi\u0219ierelor \u00een condi\u021bii de insuficien\u021b\u0103 a memoriei. Codul este deschis sub licen\u021ba CC0.    <\/p>\n<p>Principala metod\u0103 de utilizare \u2014 citirea fi\u0219ierelor din directorul specificat \u00eentr-o ordine aleatorie \u0219i ad\u0103ugarea acestora \u00eentr-o list\u0103, p\u00e2n\u0103 c\u00e2nd este citit un num\u0103r specificat de mebiby\u021bi. Sunt disponibile dou\u0103 moduri de operare:    <\/p>\n<ul>\n<li class=\"l\"> Primul \u2014 auxiliar \u2014 este destinat cre\u0103rii unui director de volum specificat. Cu aceast\u0103 ocazie, \u00een director se creeaz\u0103 un num\u0103r definit de fi\u0219iere mebibyte cu nume aleatorii.\n<li class=\"l\"> Al doilea mod \u2014 principal \u2014 este modul de citire a fi\u0219ierelor din directorul specificat \u00eentr-o ordine aleatorie. \u00cen timpul citirii, volumul de memorie consumat de script cre\u0219te, iar viteza de citire a volumului specificat de fi\u0219iere depinde de volumul paginilor de fi\u0219iere \u00een cache.  <\/ul>\n<p>O parte a proiectului este, de asemenea, scriptul auxiliar drop-cache, care este recomandat a fi executat \u00eenainte de a \u00eencepe testul. \u00cen timpul desf\u0103\u0219ur\u0103rii scriptului \u00een modul de citire, se afi\u0219eaz\u0103 timpul total de execu\u021bie, viteza medie de citire \u0219i numele ultimului fi\u0219ier citit. Scriptul permite de asemenea logarea rezultatelor \u00eentr-un fi\u0219ier cu m\u0103rci de timp.<br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55273\">opennet.ro<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>cache-bench &#8212; \u044d\u0442\u043e Python \u0441\u043a\u0440\u0438\u043f\u0442, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u043e\u0446\u0435\u043d\u0438\u0442\u044c \u0432\u043b\u0438\u044f\u043d\u0438\u0435 \u043d\u0430\u0441\u0442\u0440\u043e\u0435\u043a \u0432\u0438\u0440\u0442\u0443\u0430\u043b\u044c\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 (vm.swappiness, vm.watermark_scale_factor, Multigenerational LRU Framework \u0438 \u043f\u0440\u043e\u0447\u0438\u0445) \u043d\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0437\u0430\u0434\u0430\u0447, \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0437\u0430\u0432\u0438\u0441\u0438\u0442 \u043e\u0442 \u043a\u044d\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0444\u0430\u0439\u043b\u043e\u0432\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439 \u0447\u0442\u0435\u043d\u0438\u044f \u0432 \u0443\u0441\u043b\u043e\u0432\u0438\u044f\u0445 \u043d\u0435\u0445\u0432\u0430\u0442\u043a\u0438 \u043f\u0430\u043c\u044f\u0442\u0438. \u041a\u043e\u0434 \u043e\u0442\u043a\u0440\u044b\u0442 \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 CC0. \u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f &#8212; \u0441\u0447\u0438\u0442\u044b\u0432\u0430\u043d\u0438\u0435 \u0444\u0430\u0439\u043b\u043e\u0432 \u0438\u0437 \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u043e\u0439 \u0434\u0438\u0440\u0435\u043a\u0442\u043e\u0440\u0438\u0438 \u0432 \u0441\u043b\u0443\u0447\u0430\u0439\u043d\u043e\u043c \u043f\u043e\u0440\u044f\u0434\u043a\u0435 \u0438 \u0438\u0445 \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0438\u0435 \u0432 [&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-100438","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 - 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