{"id":107406,"date":"2023-03-22T18:48:16","date_gmt":"2023-03-22T16:48:17","guid":{"rendered":"https:\/\/prohoster.info\/?p=107406"},"modified":"2023-03-23T10:45:49","modified_gmt":"2023-03-23T08:45:49","slug":"vypusk-dragonfly-1-0-sistemy-dlya-keshirovaniya-dannyh-v-operativnoj-pamyati","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/novosti-interneta\/vypusk-dragonfly-1-0-sistemy-dlya-keshirovaniya-dannyh-v-operativnoj-pamyati","title":{"rendered":"Dragonfly 1.0 v\u00e4ljaanne, s\u00fcsteem andmete vahem\u00e4luks RAM-is","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ilmus andmete vahem\u00e4lu- ja salvestuss\u00fcsteem Dragonfly, mis manipuleerib andmetega v\u00f5tme\/v\u00e4\u00e4rtuse formaadis ja mida saab kasutada kerge lahendusena k\u00f5rge koormusega veebisaitide t\u00f6\u00f6 kiirendamiseks, vahem\u00e4lustades aeglaseid p\u00e4ringuid andmebaasist ja vaheandmeid m\u00e4lus. Dragonfly toetab protokolle Memcached ja Redis, v\u00f5imaldades kasutada juba olemasolevaid kliendi raamatukogusid ning kanda projekti, mis kasutab Memcached ja Redis, Dragonfly s\u00fcsteemi ilma koodi \u00fcmbertegemiseta.     <\/p>\n<p>V\u00f5rreldes Redis'iga, saavutati Dragonfly'ga t\u00fc\u00fcpiliste koormuste puhul Amazon EC2 c6gn.16xlarge keskkonnas 25-kordne j\u00f5udluse suurenemine (3,8 miljonit p\u00e4ringut sekundis). AWS keskkonnas c6gn.16xlarge sai Dragonfly teostada 4,7 korda rohkem kirjutamisp\u00e4ringuid sekundis (3,8 miljonit versus 806 tuhat) ja 1,77 korda rohkem lugemisp\u00e4ringuid sekundis (3,7 miljonit versus 2,1 miljonit).      <center><img decoding=\"async\" alt=\"Dragonfly 1.0 v\u00e4ljaanne, s\u00fcsteem andmete vahem\u00e4luks RAM-is \" src=\"\/wp-content\/uploads\/2023\/03\/417fdc86dc7d80eb097e3f198f888020.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>\u0412 \u0442\u0435\u0441\u0442\u0430\u0445 \u043d\u0430 \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u0435 5 \u0413\u0411 \u0434\u0430\u043d\u043d\u044b\u0445 Dragonfly \u043f\u043e\u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043b \u043d\u0430 30% \u043c\u0435\u043d\u044c\u0448\u0435 \u043f\u0430\u043c\u044f\u0442\u0438, \u0447\u0435\u043c Redis. \u0412\u043e \u0432\u0440\u0435\u043c\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0441\u043d\u0430\u043f\u0448\u043e\u0442\u043e\u0432 \u043a\u043e\u043c\u0430\u043d\u0434\u043e\u0439 &#171;bgsave&#187;  \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 \u0432\u043e\u0437\u0440\u0430\u0441\u0442\u0430\u0435\u0442, \u043d\u043e \u0432 \u043f\u0438\u043a\u043e\u0432\u044b\u0435 \u043c\u043e\u043c\u0435\u043d\u0442\u044b \u043e\u043d\u043e \u043e\u0441\u0442\u0430\u0432\u0430\u043b\u043e\u0441\u044c \u043f\u043e\u0447\u0442\u0438 \u0432 \u0442\u0440\u0438 \u0440\u0430\u0437\u0430 \u043c\u0435\u043d\u044c\u0448\u0435, \u0447\u0435\u043c \u0432 Redis, \u0430 \u0441\u0430\u043c\u0430 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u044f \u0437\u0430\u043f\u0438\u0441\u0438 \u0441\u043d\u0430\u043f\u0448\u043e\u0442\u0430 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0435\u0442\u0441\u044f \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0431\u044b\u0441\u0442\u0440\u0435\u0435 (\u0432 \u0442\u0435\u0441\u0442\u0435 \u0441\u043d\u0430\u043f\u0448\u043e\u0442 \u0432 Dragonfly \u0431\u044b\u043b \u0437\u0430\u043f\u0438\u0441\u0430\u043d \u0437\u0430 30 \u0441\u0435\u043a\u0443\u043d\u0434, \u0430 Redis &#8212; \u0437\u0430 42 \u0441\u0435\u043a\u0443\u043d\u0434\u044b).    <\/p>\n<p><center><img decoding=\"async\" alt=\"Dragonfly 1.0 v\u00e4ljaanne, s\u00fcsteem andmete vahem\u00e4luks RAM-is \" src=\"\/wp-content\/uploads\/2023\/03\/ee8441f68081e5094bdaf20a54c1f918.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/center>      <\/p>\n<p>Korge j\u00f5udlus saavutatakse t\u00e4nu mitme v\u00f5tme arhitektuurile ilma ressursside jagamiseta (shared-nothing), mis t\u00e4hendab, et iga teema jaoks on eraldi isoleeritud t\u00f6\u00f6tleja koos oma andmeportsjoniga, t\u00f6\u00f6tades ilma mutex'ide ja spin-lockideta. Mitmete v\u00f5tmete t\u00f6\u00f6tlemise aatomilisuse tagamiseks kasutatakse kergkaalu blokke VLL. Informatsiooni t\u00f5husaks salvestamiseks m\u00e4lus kasutatakse dashtable struktuuri, mis rakendab jaotatud hash-tabelite varianti.    <\/p>\n<p>M\u00f5ned Dragonfly omadused:  <\/p>\n<ul>\n<li class=\"l\"> Cache'i re\u017eiim, kus vanad andmed vahetatakse automaatselt uute vastu v\u00e4lja p\u00e4rast tasuta m\u00e4lu l\u00f5ppemist.\n<li class=\"l\"> Toetab andmete eluiga, mille jooksul andmed j\u00e4\u00e4vad kehtivaks.\n<li class=\"l\"> Toetus taustal salvestamise taastamise jaoks, et seda saaks taastada p\u00e4rast taask\u00e4ivitamist.\n<li class=\"l\"> Sisseehitatud HTTP-konsool (t\u00f6\u00f6tades TCP-port 6379) s\u00fcsteemi haldamiseks ja API meetrikate edastamiseks, mis on \u00fchilduv Prometheusega.\n<li class=\"l\"> Toetab 185 Redis k\u00e4sku, mis vastab uue Redis 5 funktsionaalsusele.\n<li class=\"l\"> Toetab k\u00f5iki Memcached k\u00e4ske, v\u00e4lja arvatud CAS (check-and-set).\n<li class=\"l\"> Toetab as\u00fcnkroonseid operatsioone snapshot'ide loomiseks.\n<li class=\"l\"> M\u00e4lu tarbimine on ennustatav.\n<li class=\"l\"> Kaasas on Lua 5.4 t\u00f5lgendaja.\n<li class=\"l\"> Toetada keerulisi andmet\u00fc\u00fcpe nagu hashid, kogud, loendid (ZSET, HSET, LIST, SETS ja STRING) ning JSON-formaadis andmeid.\n<li class=\"l\"> Toetada salvestusrepliikimist, et tagada t\u00f5rketaluvus ja koormuse jaotus.  <\/ul>\n<p>Dragonfly kood on kirjutatud keeltes C\/C++ ja levitatakse BSL (Business Source License) litsentsi alusel. BSL litsentsi pakkusid MySQLi kaasasutajad alternatiivina Open Core mudelile. BSL p\u00f5him\u00f5te on see, et laiendatud funktsionaalsuse kood on algselt muutmiseks saadaval, kuid teatud aja jooksul v\u00f5ib seda tasuta kasutada ainult t\u00e4iendavate tingimuste j\u00e4rgimise korral, mille m\u00f6\u00f6das\u00f5iduks on vaja osta kommertslitsents. Dragonfly projekti t\u00e4iendavad litsentsitingimused keelavad koodi kasutamise kuni 15. m\u00e4rtsini 2028, mil kood muudetakse Apache 2.0 litsentsi alla. Kuni selle ajani lubatakse koodi kasutada ainult oma teenuste ja toodete toimimiseks, kuid keelatakse selle kasutamine tasuliste pilveteenuste loomiseks, mis p\u00f5hinevad Dragonflyl.      <\/p>\n<p>Dragonfly versioon 1.0 on m\u00e4rkimisv\u00e4\u00e4rne andmereplikatsiooni toe elluviimise poolest. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/dts-los-angeles\/\"   title=\"serverile\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3900\">serverile<\/a> teisej\u00e4rgseks. Dragonfly on v\u00f5imalik seadistada kasutama teisej\u00e4rgse salvestusena, mis v\u00f5tab andmeid esimesest serverist nii Dragonfly baasil kui ka Redis baasil. Replikatsiooni haldamise API on \u00fchilduv Redisiga ja p\u00f5hineb k\u00e4skude ROLE ja REPLICAOF (SLAVEOF) rakendamisel.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58830\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043a\u044d\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u0445\u0440\u0430\u043d\u0435\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 Dragonfly, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u0443\u0435\u0442 \u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 \u043a\u043b\u044e\u0447\/\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u043a\u0430\u043a \u043b\u0435\u0433\u043a\u043e\u0432\u0435\u0441\u043d\u043e\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \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, \u043a\u044d\u0448\u0438\u0440\u0443\u044e\u0449\u0435\u0435 \u043c\u0435\u0434\u043b\u0435\u043d\u043d\u044b\u0435 \u0437\u0430\u043f\u0440\u043e\u0441\u044b \u043a \u0421\u0423\u0411\u0414 \u0438 \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438. Dragonfly \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u044b Memcached \u0438 Redis, \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0443\u0436\u0435 \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0438\u0435 \u043a\u043b\u0438\u0435\u043d\u0442\u0441\u043a\u0438\u0435 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 \u0438 \u0431\u0435\u0437 \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u043a\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":107407,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-107406","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043a\u044d\u0448\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438 \u0445\u0440\u0430\u043d\u0435\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 Dragonfly, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u0430\u043d\u0438\u043f\u0443\u043b\u0438\u0440\u0443\u0435\u0442 \u0434\u0430\u043d\u043d\u044b\u043c\u0438 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 \u043a\u043b\u044e\u0447\/\u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u0438 \u043c\u043e\u0436\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0442\u044c\u0441\u044f \u043a\u0430\u043a \u043b\u0435\u0433\u043a\u043e\u0432\u0435\u0441\u043d\u043e\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \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, \u043a\u044d\u0448\u0438\u0440\u0443\u044e\u0449\u0435\u0435 \u043c\u0435\u0434\u043b\u0435\u043d\u043d\u044b\u0435 \u0437\u0430\u043f\u0440\u043e\u0441\u044b \u043a \u0421\u0423\u0411\u0414 \u0438 \u043f\u0440\u043e\u043c\u0435\u0436\u0443\u0442\u043e\u0447\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438. 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