{"id":1837,"date":"2019-08-07T09:53:16","date_gmt":"2019-08-07T09:53:16","guid":{"rendered":"https:\/\/www.testpreptraining.com\/tutorial\/?page_id=1837"},"modified":"2020-05-02T06:50:46","modified_gmt":"2020-05-02T06:50:46","slug":"elasticache","status":"publish","type":"page","link":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/elasticache\/","title":{"rendered":"Elasticache"},"content":{"rendered":"\n<ul class=\"wp-block-list\"><li>is a web service <\/li><li>makes it easy to <ul><li>deploy<\/li><\/ul><ul><li>operate<\/li><\/ul><ul><li>scale\nan in-memory data store or cache in the cloud. <\/li><\/ul><\/li><li>Can be used for DB caching in conjunction with\nservices like RDS<\/li><li>Web service that makes it easy to deploy,\noperate, and scale in memory cache in the cloud<\/li><li>Improves the performance of web applications by\nallowing you to retrieve information from fast, managed in-memory caches,\ninstead of relying entirely on slower disk based databases<\/li><li>Improves application performance by storing\ncritical pieces of data in memory for low-latency access<\/li><li>Cached information may include the results of\nI\/O intensive database queries or the results of computationally intensive\ncalculations<\/li><li>Supports 2 open-source in-memory caching\nengines:<ul><li>Memcached:<ul><li>Widely\nadopted memory object caching system<\/li><\/ul><ul><li>Elasticache\nis protocol complaint with memcached, so popular tools that you use today with\nexisting memcached environments will work seamlessly with the service<\/li><\/ul><ul><li>No\nMulti AZ support<\/li><\/ul><\/li><\/ul><ul><li>Redis:<ul><li>Popular\nopen-source in-memory key-value store that supports data structures such as\nsorted sets and lists<\/li><\/ul><ul><li>Elasticache\nsupports Master\/Slave replication and Multi-AZ which can be used to achieve\ncross AZ redundancy<\/li><\/ul><ul><li>Good\nchoice if your db is read heavy and not prone to frequent changing<\/li><\/ul><\/li><\/ul><\/li><\/ul>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>All Region Resource or Operation<\/strong><\/td><td><strong>Default Limit<\/strong><\/td><td><strong>Description<\/strong><\/td><\/tr><\/thead><tbody><tr><td>Nodes per region:<\/td><td>50   <\/td><td>The maximum number of nodes across all clusters in a region.<\/td><\/tr><tr><td>Nodes per cluster (Memcached): <\/td><td>20   <\/td><td>The maximum number of nodes in an individual Memcached cluster.   <\/td><\/tr><tr><td>Nodes per cluster (Redis):   <\/td><td>1   <\/td><td>The maximum number of nodes in an individual Redis cluster.<\/td><\/tr><tr><td>Clusters per replication group (Redis):<\/td><td>6   <\/td><td>The maximum number of clusters in a Redis replication group. One is the read\/write primary. All others are read-only replicas.   <\/td><\/tr><tr><td>Parameter groups per region:<\/td><td>20   <\/td><td>The maximum number of parameters groups you can create in a region.   <\/td><\/tr><tr><td>Security groups per region:<\/td><td>50   <\/td><td>The maximum number of security groups you can create in a region.   <\/td><\/tr><tr><td>Subnet groups per region:<\/td><td>50   <\/td><td>The maximum number of subnet groups you can create in a region.   <\/td><\/tr><tr><td>Subnets per subnet group:<\/td><td>20 <\/td><td>The maximum number of subnets you can define for a subnet group.<\/td><\/tr><\/tbody><\/table><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>is a web service makes it easy to deploy operate scale an in-memory data store or cache in the cloud. Can be used for DB caching in conjunction with services like RDS Web service that makes it easy to deploy, operate, and scale in memory cache in the cloud Improves the performance of web applications&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":383,"menu_order":56,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[2],"tags":[7,328,329],"class_list":["post-1837","page","type-page","status-publish","hentry","category-amazon-aws","tag-aws","tag-elasticache","tag-web-service"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Elasticache - Testprep Training Tutorials<\/title>\n<meta name=\"description\" content=\"Web service that makes it easy to deploy, operate, and scale in memory cache in the cloud.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/elasticache\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Elasticache - Testprep Training Tutorials\" \/>\n<meta property=\"og:description\" content=\"Web service that makes it easy to deploy, operate, and scale in memory cache in the cloud.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/elasticache\/\" \/>\n<meta property=\"og:site_name\" content=\"Testprep Training Tutorials\" \/>\n<meta property=\"article:modified_time\" content=\"2020-05-02T06:50:46+00:00\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/elasticache\/\",\"url\":\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/elasticache\/\",\"name\":\"Elasticache - Testprep Training Tutorials\",\"isPartOf\":{\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/#website\"},\"datePublished\":\"2019-08-07T09:53:16+00:00\",\"dateModified\":\"2020-05-02T06:50:46+00:00\",\"description\":\"Web service that makes it easy to deploy, operate, and scale in memory cache in the cloud.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/elasticache\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/elasticache\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/elasticache\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.testpreptraining.ai\/tutorial\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"AWS Certified SysOps Administrator &#8211; Associate (SOA-C01)\",\"item\":\"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Elasticache\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/#website\",\"url\":\"https:\/\/www.testpreptraining.ai\/tutorial\/\",\"name\":\"Testprep Training Tutorials\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.testpreptraining.ai\/tutorial\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/#organization\",\"name\":\"Testprep Training\",\"url\":\"https:\/\/www.testpreptraining.ai\/tutorial\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.testpreptraining.com\/tutorial\/wp-content\/uploads\/2020\/07\/tpt-logo-6.png\",\"contentUrl\":\"https:\/\/www.testpreptraining.com\/tutorial\/wp-content\/uploads\/2020\/07\/tpt-logo-6.png\",\"width\":583,\"height\":153,\"caption\":\"Testprep Training\"},\"image\":{\"@id\":\"https:\/\/www.testpreptraining.ai\/tutorial\/#\/schema\/logo\/image\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Elasticache - Testprep Training Tutorials","description":"Web service that makes it easy to deploy, operate, and scale in memory cache in the cloud.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/elasticache\/","og_locale":"en_US","og_type":"article","og_title":"Elasticache - Testprep Training Tutorials","og_description":"Web service that makes it easy to deploy, operate, and scale in memory cache in the cloud.","og_url":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/elasticache\/","og_site_name":"Testprep Training Tutorials","article_modified_time":"2020-05-02T06:50:46+00:00","twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/elasticache\/","url":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/elasticache\/","name":"Elasticache - Testprep Training Tutorials","isPartOf":{"@id":"https:\/\/www.testpreptraining.ai\/tutorial\/#website"},"datePublished":"2019-08-07T09:53:16+00:00","dateModified":"2020-05-02T06:50:46+00:00","description":"Web service that makes it easy to deploy, operate, and scale in memory cache in the cloud.","breadcrumb":{"@id":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/elasticache\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/elasticache\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/elasticache\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.testpreptraining.ai\/tutorial\/"},{"@type":"ListItem","position":2,"name":"AWS Certified SysOps Administrator &#8211; Associate (SOA-C01)","item":"https:\/\/www.testpreptraining.ai\/tutorial\/aws-sysops-administrator-associate\/"},{"@type":"ListItem","position":3,"name":"Elasticache"}]},{"@type":"WebSite","@id":"https:\/\/www.testpreptraining.ai\/tutorial\/#website","url":"https:\/\/www.testpreptraining.ai\/tutorial\/","name":"Testprep Training Tutorials","description":"","publisher":{"@id":"https:\/\/www.testpreptraining.ai\/tutorial\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.testpreptraining.ai\/tutorial\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.testpreptraining.ai\/tutorial\/#organization","name":"Testprep Training","url":"https:\/\/www.testpreptraining.ai\/tutorial\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.testpreptraining.ai\/tutorial\/#\/schema\/logo\/image\/","url":"https:\/\/www.testpreptraining.com\/tutorial\/wp-content\/uploads\/2020\/07\/tpt-logo-6.png","contentUrl":"https:\/\/www.testpreptraining.com\/tutorial\/wp-content\/uploads\/2020\/07\/tpt-logo-6.png","width":583,"height":153,"caption":"Testprep Training"},"image":{"@id":"https:\/\/www.testpreptraining.ai\/tutorial\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/pages\/1837","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/comments?post=1837"}],"version-history":[{"count":4,"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/pages\/1837\/revisions"}],"predecessor-version":[{"id":5249,"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/pages\/1837\/revisions\/5249"}],"up":[{"embeddable":true,"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/pages\/383"}],"wp:attachment":[{"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/media?parent=1837"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/categories?post=1837"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.testpreptraining.ai\/tutorial\/wp-json\/wp\/v2\/tags?post=1837"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}