{"id":666,"date":"2016-05-27T08:27:19","date_gmt":"2016-05-27T08:27:19","guid":{"rendered":"http:\/\/www.dbafox.com\/?p=666"},"modified":"2016-05-27T08:27:19","modified_gmt":"2016-05-27T08:27:19","slug":"oracle-linux-huge-pages","status":"publish","type":"post","link":"https:\/\/dbafox.com\/?p=666","title":{"rendered":"Oracle, Linux &#8211; Huge Pages"},"content":{"rendered":"<pre>\r\n12c in alert log\r\n\r\n  PAGESIZE  AVAILABLE_PAGES  EXPECTED_PAGES  ALLOCATED_PAGES  ERROR(s)\r\nTue May 24 11:47:24 2014\r\n        4K       Configured               4               4        NONE\r\nTue May 24 11:47:24 2014\r\n     2048K            66805            1537            1537        NONE\r\n\r\nExample from above log extract:\r\n-- 12c calculation in alert log for huge pages\r\nselect 1537*(2048\/1024\/1024) from dual\r\n-- = 1537 expected pages * Huge page Size (2048K) \/1024\/1024 to get GB = 3GB = sga_size init parameter\r\n\r\n\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>12c in alert log PAGESIZE AVAILABLE_PAGES EXPECTED_PAGES ALLOCATED_PAGES ERROR(s) Tue May 24 11:47:24 2014 4K Configured 4 4 NONE Tue May 24 11:47:24 2014 2048K 66805 1537 1537 NONE Example from above log extract: &#8212; 12c calculation in alert log for huge pages select 1537*(2048\/1024\/1024) from dual &#8212; = 1537 expected pages * Huge page&hellip;&nbsp;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-666","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Oracle, Linux - Huge Pages - dbafox<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dbafox.com\/?p=666\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Oracle, Linux - Huge Pages - dbafox\" \/>\n<meta property=\"og:description\" content=\"12c in alert log PAGESIZE AVAILABLE_PAGES EXPECTED_PAGES ALLOCATED_PAGES ERROR(s) Tue May 24 11:47:24 2014 4K Configured 4 4 NONE Tue May 24 11:47:24 2014 2048K 66805 1537 1537 NONE Example from above log extract: -- 12c calculation in alert log for huge pages select 1537*(2048\/1024\/1024) from dual -- = 1537 expected pages * Huge page&hellip;&nbsp;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/dbafox.com\/?p=666\" \/>\n<meta property=\"og:site_name\" content=\"dbafox\" \/>\n<meta property=\"article:published_time\" content=\"2016-05-27T08:27:19+00:00\" \/>\n<meta name=\"author\" content=\"Ray Fox\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ray Fox\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/dbafox.com\\\/?p=666#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/dbafox.com\\\/?p=666\"},\"author\":{\"name\":\"Ray Fox\",\"@id\":\"https:\\\/\\\/dbafox.com\\\/#\\\/schema\\\/person\\\/287adc474c1aebd398752ac4dcfe27eb\"},\"headline\":\"Oracle, Linux &#8211; 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