{"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\/de\/blog\/news\/vypusk-cache-bench-0-1-0-dlya-issledovaniya-effektivnosti-keshirovaniya-fajlov-pri-nehvatke-pamyati","title":{"rendered":"Die Ver\u00f6ffentlichung von cache-bench 0.1.0 zur Untersuchung der Effizienz der Dateicaching bei speicherknappen Umst\u00e4nden.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>cache-bench \u2014 ist ein Python-Skript, das die Auswirkungen von Einstellungen des virtuellen Speichers (vm.swappiness, vm.watermark_scale_factor, Multigenerational LRU Framework und andere) auf die Leistung von Aufgaben bewertet, deren Ausf\u00fchrung von der Zwischenspeicherung von Dateioperationen zum Lesen unter Bedingungen mit unzureichendem Speicher abh\u00e4ngt. Der Code ist unter der Lizenz CC0 offen.    <\/p>\n<p>Die Hauptnutzungsm\u00f6glichkeit \u2014 das Lesen von Dateien aus dem angegebenen Verzeichnis in zuf\u00e4lliger Reihenfolge und deren Hinzuf\u00fcgen zu einer Liste, bis eine vorgegebene Anzahl von Mebibyte gelesen wurde. Es stehen zwei Betriebsmodi zur Verf\u00fcgung:    <\/p>\n<ul>\n<li class=\"l\"> Der erste \u2014 Hilfsmodus \u2014 dient zur Erstellung eines Verzeichnisses mit einem bestimmten Volumen. Dabei werden im Verzeichnis eine bestimmte Anzahl von Mebibyte-Dateien mit zuf\u00e4lligen Namen erstellt.\n<li class=\"l\"> Der zweite Modus \u2014 der Hauptmodus \u2014 ist der Modus zum Lesen von Dateien aus dem angegebenen Verzeichnis in zuf\u00e4lliger Reihenfolge. W\u00e4hrend des Lesens steigt das vom Skript verbrauchte Speichervolumen, und die Geschwindigkeit, mit der ein bestimmtes Volumen von Dateien gelesen wird, h\u00e4ngt vom Volumen der zwischengespeicherten Dateiseiten ab.  <\/ul>\n<p>Ein Teil des Projekts ist auch das Hilfsskript drop-cache, das empfohlen wird, vor dem Test auszuf\u00fchren. W\u00e4hrend der Ausf\u00fchrung des Skripts im Lese-Modus werden die Gesamtdauer der Ausf\u00fchrung, die durchschnittliche Lesegeschwindigkeit und der Name der zuletzt gelesenen Datei ausgegeben. Das Skript erm\u00f6glicht es auch, die Ergebnisse in eine Datei mit Zeitstempeln zu protokollieren.<br \/>\n<br \/>Quelle: <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 5.0.2 - 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