{"id":6026,"date":"2013-11-07T19:53:05","date_gmt":"2013-11-07T19:53:05","guid":{"rendered":"https:\/\/www.techopedia.com\/definition\/write-through-cache\/"},"modified":"2013-12-16T21:39:17","modified_gmt":"2013-12-16T21:39:17","slug":"write-through-cache","status":"publish","type":"definition","link":"https:\/\/www.techopedia.com\/definition\/10094\/write-through-cache","title":{"rendered":"Write-Through Cache"},"content":{"rendered":"<h2><span id=\"what_does_write-through_cache_mean\">What Does Write-Through Cache Mean?<\/span><\/h2>\n<p>Write-through cache is a caching technique in which data is simultaneously copied to higher level caches, backing storage or memory. It is common in processor architectures that perform a write operation on cache and backing stores at the same time.<\/p>\n<h2><span id=\"techopedia_explains_write-through_cache\">Techopedia Explains Write-Through Cache<\/span><\/h2>\n<p>Write-through cache helps increase read performance in memory access methods because the requested data is already present in the cache and memory. In each write-through operation, data that is brought into the cache is also written into the backing store, which is the primary memory (RAM, in most cases).<\/p>\n<p>Write-through cache also helps with data recovery, as the data in operation is written to both cache and memory. It is nearly impossible to restore data from cache. However, to an extent, modern operating systems (OS) have the ability to save an instance of running memory.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What Does Write-Through Cache Mean? Write-through cache is a caching technique in which data is simultaneously copied to higher level caches, backing storage or memory. It is common in processor architectures that perform a write operation on cache and backing stores at the same time. Techopedia Explains Write-Through Cache Write-through cache helps increase read performance [&hellip;]<\/p>\n","protected":false},"author":7813,"featured_media":0,"comment_status":"open","ping_status":"closed","template":"","format":"standard","meta":{"_acf_changed":false,"_lmt_disableupdate":"","_lmt_disable":"","om_disable_all_campaigns":false,"footnotes":""},"definitioncat":[227,217],"class_list":["post-6026","definition","type-definition","status-publish","format-standard","hentry","definitioncat-data-management","definitioncat-hardware"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.2 (Yoast SEO v24.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is Write-Through Cache? - Definition from Techopedia<\/title>\n<meta name=\"description\" content=\"This definition explains the meaning of Write-Through Cache and why it matters.\" \/>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Write-Through Cache\" \/>\n<meta property=\"og:description\" content=\"This definition explains the meaning of Write-Through Cache and why it matters.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.techopedia.com\/definition\/10094\/write-through-cache\" \/>\n<meta property=\"og:site_name\" content=\"Techopedia\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/techopedia\/\" \/>\n<meta property=\"article:modified_time\" content=\"2013-12-16T21:39:17+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@techopedia\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.techopedia.com\/definition\/10094\/write-through-cache#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.techopedia.com\/definition\/10094\/write-through-cache\"},\"author\":{\"name\":\"Margaret Rouse\",\"@id\":\"https:\/\/www.techopedia.com\/#\/schema\/person\/f5dd538e31ee352d105b8af36c4268a5\"},\"headline\":\"Write-Through Cache\",\"datePublished\":\"2013-11-07T19:53:05+00:00\",\"dateModified\":\"2013-12-16T21:39:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.techopedia.com\/definition\/10094\/write-through-cache\"},\"wordCount\":146,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.techopedia.com\/#organization\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.techopedia.com\/definition\/10094\/write-through-cache#respond\"]}],\"articleSection\":\"\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.techopedia.com\/definition\/10094\/write-through-cache\",\"url\":\"https:\/\/www.techopedia.com\/definition\/10094\/write-through-cache\",\"name\":\"What is Write-Through Cache? 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