{"id":73789,"date":"2020-03-12T08:42:49","date_gmt":"2020-03-12T05:42:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/memcached-1-6-0-sistema-keshirovaniya-dannyh-v-ozu-s-vozmozhnostyu-sohraneniya-na-vneshnem-nositele"},"modified":"2020-03-12T08:42:49","modified_gmt":"2020-03-12T05:42:49","slug":"memcached-1-6-0-sistema-keshirovaniya-dannyh-v-ozu-s-vozmozhnostyu-sohraneniya-na-vneshnem-nositele","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/memcached-1-6-0-sistema-keshirovaniya-dannyh-v-ozu-s-vozmozhnostyu-sohraneniya-na-vneshnem-nositele","title":{"rendered":"Memcached 1.6.0 — sistema di caching dei dati in RAM con possibilit\u00e0 di salvataggio su supporto esterno","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"


\n \"Memcached<\/p>\n

<\/a><\/p>\n

Il 8 marzo \u00e8 stato aggiornato il sistema di caching dei dati in memoria. Memcached<\/strong> fino alla versione 1.6.0<\/strong>. La principale differenza rispetto alle versioni precedenti \u00e8 che ora \u00e8 possibile utilizzare un dispositivo esterno per lo storage dei dati memorizzati nella cache.<\/p>\n

Memcached<\/strong> viene utilizzato per migliorare le prestazioni di siti web o applicazioni web ad alto carico mediante la memorizzazione nella cache dell'accesso a database e dati intermedi.<\/p>\n

Nella nuova versione, durante la compilazione \u00e8 abilitato di default il parametro extstore<\/strong>, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0438 \u043e\u0442\u0432\u0435\u0447\u0430\u0435\u0442 \u0437\u0430 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0432\u043d\u0435\u0448\u043d\u0435\u0433\u043e \u043d\u043e\u0441\u0438\u0442\u0435\u043b\u044f. \u0414\u043b\u044f \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0443\u043a\u0430\u0437\u0430\u0442\u044c \u0432 .\/configure \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 —disable-extstore. \u041e\u0434\u043d\u0430\u043a\u043e \u043d\u0435\u0441\u043c\u043e\u0442\u0440\u044f \u043d\u0430 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u043d\u0443\u044e \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0441\u0431\u043e\u0440\u043a\u0443 \u043f\u0440\u0438 \u0437\u0430\u043f\u0443\u0441\u043a\u0435 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u043f\u0440\u044f\u043c\u043e \u0443\u043a\u0430\u0437\u0430\u0442\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u044d\u0442\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438.<\/p>\n

Extstore<\/strong> permette di usare un Flash<\/strong> o SSD<\/strong> memoria esterna per aumentare la dimensione della cache. Questo consentir\u00e0 di memorizzare nella cache volumi di dati molto pi\u00f9 grandi rispetto a quanto possibile senza l'uso di questa funzione.<\/p>\n

Un'altra importante novit\u00e0 \u00e8 stata la revisione delle comunicazioni di rete, ora adattate per gestire automaticamente le richieste pacchetto nell'ambito di una singola chiamata di sistema. Nelle versioni precedenti, il trattamento di ogni richiesta GET avveniva in pacchetti separati, mentre nella nuova versione le risposte a pi\u00f9 richieste vengono raccolte in un unico metapacchetto e trasmesse in un colpo solo. Di conseguenza, questo aggiornamento ha ridotto il carico della CPU del 25%.<\/p>\n

\u0422\u0430\u043a\u0436\u0435 \u0432 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0435 \u044d\u0442\u043e\u0439 \u043c\u043e\u0434\u0435\u0440\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0441\u043e\u043a\u0440\u0430\u0442\u0438\u043b\u043e\u0441\u044c \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 \u043d\u0430 \u0431\u0443\u0444\u0435\u0440\u0438\u0437\u0430\u0446\u0438\u044e — \u0441 4.5 \u041a\u0431 \u0434\u043e 400-500 \u0431\u0430\u0439\u0442 \u043d\u0430 \u0432\u044b\u0437\u043e\u0432, \u0438 \u0441\u043e\u043a\u0440\u0430\u0442\u0438\u043b\u043e\u0441\u044c \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0444\u0443\u043d\u043a\u0446\u0438\u0439 malloc, realloc \u0438 free, \u0447\u0442\u043e \u043f\u0440\u0438\u0432\u0435\u043b\u043e \u043a \u043c\u0435\u043d\u044c\u0448\u0435\u0439 \u0444\u0440\u0430\u0433\u043c\u0435\u043d\u0442\u0430\u0446\u0438\u0438 \u043f\u0430\u043c\u044f\u0442\u0438. \u041a\u0430\u0436\u0434\u044b\u0439 \u043f\u043e\u0442\u043e\u043a \u0442\u0435\u043f\u0435\u0440\u044c \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442 \u0441\u0432\u043e\u0439 \u043f\u0443\u043b \u0431\u0443\u0444\u0435\u0440\u043e\u0432 \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f \u0438 \u0437\u0430\u043f\u0438\u0441\u0438 \u0434\u043b\u044f \u0430\u043a\u0442\u0438\u0432\u043d\u044b\u0445 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439. \u0414\u043b\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u0440\u0430\u0437\u043c\u0435\u0440\u0430 \u044d\u0442\u0438\u0445 \u0431\u0443\u0444\u0435\u0440\u043e\u0432 \u043f\u0440\u0435\u0434\u0443\u0441\u043c\u043e\u0442\u0440\u0435\u043d\u044b \u043e\u043f\u0446\u0438\u0438 -o resp_obj_mem_limit=N \u0438 -o read_buf_mem_limt=N.<\/p>\n

\u0422\u0430\u043a\u0436\u0435 \u0431\u044b\u043b\u043e \u043e\u0431\u044a\u044f\u0432\u043b\u0435\u043d\u043e \u043e \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0435 \u0432 \u0440\u0430\u0437\u0440\u044f\u0434 «\u0443\u0441\u0442\u0430\u0440\u0435\u0432\u0448\u0438\u0445» \u0431\u0438\u043d\u0430\u0440\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 \u043e\u0431\u043c\u0435\u043d\u0430 \u0441 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u043c. \u0415\u043c\u0443 \u043d\u0430 \u0441\u043c\u0435\u043d\u0443 \u043f\u0440\u0438\u0448\u0435\u043b \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b meta — \u0442\u0435\u043a\u0441\u0442\u043e\u0432\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430 \u0441 \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u044b\u043c\u0438 meta-\u043a\u043e\u043c\u0430\u043d\u0434\u0430\u043c\u0438. \u0412 \u043d\u043e\u0432\u043e\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0435 \u0443\u0447\u0442\u0435\u043d\u044b \u0432\u0441\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u0435 \u0440\u0430\u043d\u0435\u0435 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0449\u0438\u0435 \u0441\u0442\u0430\u0440\u044b\u0435 \u0432\u0435\u0440\u0441\u0438\u0438 \u0431\u0438\u043d\u0430\u0440\u043d\u043e\u0433\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430.<\/p>\n

<\/p>\n

>>> Sito ufficiale<\/a><\/p>\n

<\/noindex><\/noindex>
\n<\/p>\n

>>> Codice sorgente<\/a> (licenza BSD)<\/p>\n

<\/noindex>
\n<\/p>\n

>>> Descrizione di Extstore<\/a><\/p>\n

<\/noindex>
\n<\/p>\n

>>> Descrizione dei comandi meta<\/a><\/p>\n

<\/noindex><\/p>\n

Fonte: linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

8\u0433\u043e \u043c\u0430\u0440\u0442\u0430 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u043e\u0441\u044c \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043a\u0435\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0432 \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 Memcached \u0434\u043e \u0432\u0435\u0440\u0441\u0438\u0438 1.6.0. \u041e\u0441\u043d\u043e\u0432\u043d\u043e\u0435 \u043e\u0442\u043b\u0438\u0447\u0438\u0435 \u043e\u0442 \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0438\u0445 \u0440\u0435\u043b\u0438\u0437\u043e\u0432 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u0442\u0435\u043f\u0435\u0440\u044c \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0430 \u043a\u044d\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0441\u0442\u0430\u043b\u043e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0432\u043d\u0435\u0448\u043d\u0435\u0435 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u043e. Memcached \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u0434\u043b\u044f \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u044f \u0440\u0430\u0431\u043e\u0442\u044b \u0432\u044b\u0441\u043e\u043a\u043e\u043d\u0430\u0433\u0440\u0443\u0436\u0435\u043d\u043d\u044b\u0445 \u0441\u0430\u0439\u0442\u043e\u0432 \u0438\u043b\u0438 \u0432\u0435\u0431-\u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u043f\u0443\u0442\u0451\u043c \u043a\u044d\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u0421\u0423\u0411\u0414 \u0438 \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u044b\u043c \u0434\u0430\u043d\u043d\u044b\u043c. \u0412 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u043f\u0440\u0438 \u0441\u0431\u043e\u0440\u043a\u0435 \u043f\u043e […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":73790,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-73789","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\udd47Memcached 1.6.0 \u2014 sistema di caching dei dati in RAM con possibilit\u00e0 di salvataggio su supporti esterni | ProHoster","description":"L'8 marzo \u00e8 stato aggiornato il sistema di caching dei dati in memoria RAM Memcached alla versione 1.6.0. 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