{"id":869,"date":"2009-06-11T11:58:26","date_gmt":"2009-06-11T10:58:26","guid":{"rendered":"http:\/\/soci.hu\/blog\/?p=869"},"modified":"2009-06-11T12:03:43","modified_gmt":"2009-06-11T11:03:43","slug":"a-tobbszalu-skalazas-nehezsegei","status":"publish","type":"post","link":"https:\/\/soci.hu\/blog\/index.php\/2009\/06\/11\/a-tobbszalu-skalazas-nehezsegei\/","title":{"rendered":"A t\u00f6bbsz\u00e1l\u00fa sk\u00e1l\u00e1z\u00e1s neh\u00e9zs\u00e9gei"},"content":{"rendered":"<p>(Egyszer meg\u00edrtam ezt a postot hosszabban, de a wordpress a sorozatos Save-ek ellen\u00e9re elvesztette&#8230;)<br \/>\nAz ut\u00f3bbi id\u0151ben az id\u0151m jelent\u0151s r\u00e9sz\u00e9t a t\u0151zsdei keresked\u0151 programom \u00edr\u00e1s\u00e1val t\u00f6lt\u00f6m, \u00e9s ek\u00f6zben tanulom az Entity Framework\u00f6t (nagyon sarkos, hogy finoman fogalmazzak), illetve pr\u00f3b\u00e1lom kihaszn\u00e1lni egy er\u0151s, 8 processzoros rendszer k\u00e9pess\u00e9geit.<br \/>\nNyilv\u00e1nval\u00f3an a sz\u00e1lak sz\u00e1m\u00e1nak n\u00f6vel\u00e9s\u00e9vel elvileg sz\u00e9pen meg lehet hajtani a processzorokat. \u00c1m furcsa m\u00f3d m\u00e9g a backtest programom, ami szoros ciklusokban p\u00f6r\u00f6g se tudta jobban kihajtani a procikat, mint 20-30%. A k\u00e9rd\u00e9st kicsit megvakargatva kider\u00fclt, hogy a Garbage Collector elviszi az id\u0151 80%-\u00e1t is egyes esetekben, azaz pazarlom a mem\u00f3ri\u00e1t, ezt \u00e1t kell \u00edrni, illetve meg kell n\u00e9zni, hogy <a href=\"http:\/\/blogs.msdn.com\/junfeng\/archive\/2004\/07\/13\/181534.aspx\">server vagy workstation GC<\/a> megy-e a h\u00e1tt\u00e9rben. A server GC p\u00e1rhuzamos\u00edtott, a workstation nem, \u00edgy az lehet torl\u00f3d\u00e1si pont.<br \/>\nHogy az-e, azt d\u00f6ntse el mindenki a k\u00f6vetkez\u0151 k\u00e9t k\u00e9p alapj\u00e1n: :)<\/p>\n<p><a href=\"http:\/\/soci.hu\/blog\/wp-content\/uploads\/2009\/06\/prociterheles-workstation-gc-vel.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/soci.hu\/blog\/wp-content\/uploads\/2009\/06\/prociterheles-workstation-gc-vel-300x159.jpg\" alt=\"\" title=\"Prociterhel\u00e9s Workstation gc-vel\" width=\"300\" height=\"159\" class=\"alignnone size-medium wp-image-870\" srcset=\"https:\/\/soci.hu\/blog\/wp-content\/uploads\/2009\/06\/prociterheles-workstation-gc-vel-300x159.jpg 300w, https:\/\/soci.hu\/blog\/wp-content\/uploads\/2009\/06\/prociterheles-workstation-gc-vel-600x319.jpg 600w, https:\/\/soci.hu\/blog\/wp-content\/uploads\/2009\/06\/prociterheles-workstation-gc-vel.jpg 835w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p><a href=\"http:\/\/soci.hu\/blog\/wp-content\/uploads\/2009\/06\/prociterheles-server-gc-vel.jpg\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/soci.hu\/blog\/wp-content\/uploads\/2009\/06\/prociterheles-server-gc-vel-300x160.jpg\" alt=\"\" title=\"Prociterhel\u00e9s Server GC-vel\" width=\"300\" height=\"160\" class=\"aligncenter size-medium wp-image-872\" srcset=\"https:\/\/soci.hu\/blog\/wp-content\/uploads\/2009\/06\/prociterheles-server-gc-vel-300x160.jpg 300w, https:\/\/soci.hu\/blog\/wp-content\/uploads\/2009\/06\/prociterheles-server-gc-vel-600x322.jpg 600w, https:\/\/soci.hu\/blog\/wp-content\/uploads\/2009\/06\/prociterheles-server-gc-vel.jpg 837w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>(Egyszer meg\u00edrtam ezt a postot hosszabban, de a wordpress a sorozatos Save-ek ellen\u00e9re elvesztette&#8230;) Az ut\u00f3bbi id\u0151ben az id\u0151m jelent\u0151s r\u00e9sz\u00e9t a&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8,70,4],"tags":[],"class_list":["post-869","post","type-post","status-publish","format-standard","hentry","category-net","category-optimalizalas","category-szakmai-elet"],"_links":{"self":[{"href":"https:\/\/soci.hu\/blog\/index.php\/wp-json\/wp\/v2\/posts\/869","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/soci.hu\/blog\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/soci.hu\/blog\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/soci.hu\/blog\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/soci.hu\/blog\/index.php\/wp-json\/wp\/v2\/comments?post=869"}],"version-history":[{"count":3,"href":"https:\/\/soci.hu\/blog\/index.php\/wp-json\/wp\/v2\/posts\/869\/revisions"}],"predecessor-version":[{"id":874,"href":"https:\/\/soci.hu\/blog\/index.php\/wp-json\/wp\/v2\/posts\/869\/revisions\/874"}],"wp:attachment":[{"href":"https:\/\/soci.hu\/blog\/index.php\/wp-json\/wp\/v2\/media?parent=869"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/soci.hu\/blog\/index.php\/wp-json\/wp\/v2\/categories?post=869"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/soci.hu\/blog\/index.php\/wp-json\/wp\/v2\/tags?post=869"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}