{"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\/cs\/blog\/news\/vypusk-cache-bench-0-1-0-dlya-issledovaniya-effektivnosti-keshirovaniya-fajlov-pri-nehvatke-pamyati","title":{"rendered":"Vyd\u00e1n\u00ed cache-bench 0.1.0 pro zkoum\u00e1n\u00ed efektivity ukl\u00e1d\u00e1n\u00ed do mezipam\u011bti soubor\u016f p\u0159i nedostatku pam\u011bti","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>cache-bench \u2014 je Python skript, kter\u00fd umo\u017e\u0148uje vyhodnotit vliv nastaven\u00ed virtu\u00e1ln\u00ed pam\u011bti (vm.swappiness, vm.watermark_scale_factor, Multigenerational LRU Framework a dal\u0161\u00ed) na v\u00fdkon \u00fakol\u016f, jejich\u017e prov\u00e1d\u011bn\u00ed z\u00e1vis\u00ed na mezipam\u011bti operac\u00ed \u010dten\u00ed soubor\u016f za podm\u00ednek nedostatku pam\u011bti. K\u00f3d je otev\u0159en\u00fd pod licenc\u00ed CC0.    <\/p>\n<p>Hlavn\u00ed zp\u016fsob pou\u017eit\u00ed \u2014 \u010dten\u00ed soubor\u016f z ur\u010den\u00e9ho adres\u00e1\u0159e v n\u00e1hodn\u00e9m po\u0159ad\u00ed a jejich p\u0159id\u00e1n\u00ed do seznamu, dokud nen\u00ed p\u0159e\u010dteno dan\u00e9 mno\u017estv\u00ed mebibyt\u016f. Jsou k dispozici dva pracovn\u00ed re\u017eimy:    <\/p>\n<ul>\n<li class=\"l\"> Prvn\u00ed \u2014 pomocn\u00fd \u2014 slou\u017e\u00ed k vytvo\u0159en\u00ed adres\u00e1\u0159e zadan\u00e9ho objemu. V tomto p\u0159\u00edpad\u011b se v adres\u00e1\u0159i vytvo\u0159\u00ed ur\u010dit\u00e9 mno\u017estv\u00ed mebibytov\u00fdch soubor\u016f s n\u00e1hodn\u00fdmi n\u00e1zvy.\n<li class=\"l\"> Druh\u00fd re\u017eim \u2014 hlavn\u00ed \u2014 re\u017eim \u010dten\u00ed soubor\u016f z ur\u010den\u00e9ho adres\u00e1\u0159e v n\u00e1hodn\u00e9m po\u0159ad\u00ed. B\u011bhem \u010dten\u00ed se zvy\u0161uje objem pam\u011bti, kterou skript spot\u0159ebov\u00e1v\u00e1, a rychlost \u010dten\u00ed dan\u00e9ho objemu soubor\u016f z\u00e1vis\u00ed na objemu mezipam\u011b\u0165ov\u00fdch souborov\u00fdch str\u00e1nek.  <\/ul>\n<p>Sou\u010d\u00e1st\u00ed projektu je tak\u00e9 pomocn\u00fd skript drop-cache, kter\u00fd se doporu\u010duje spustit p\u0159ed za\u010d\u00e1tkem testu. B\u011bhem \u010dinnosti skriptu v re\u017eimu \u010dten\u00ed se zobrazuje celkov\u00fd \u010das b\u011bhu, pr\u016fm\u011brn\u00e1 rychlost \u010dten\u00ed, n\u00e1zev posledn\u00edho p\u0159e\u010dten\u00e9ho souboru. Skript tak\u00e9 umo\u017e\u0148uje logovat v\u00fdsledky do souboru s \u010dasov\u00fdmi zna\u010dkami.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=55273\">opennet.ru<\/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 5.0.3 - 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