{"id":4478,"date":"2024-03-14T01:31:16","date_gmt":"2024-03-14T01:31:16","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/"},"modified":"2025-07-31T08:31:51","modified_gmt":"2025-07-31T08:31:51","slug":"what-are-the-different-ways-to-store-state-in-flink","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/","title":{"rendered":"Flink State Backends Explained"},"content":{"rendered":"<p>Flink supports multiple ways of storing state, including:<\/p>\n<ol>\n<li>Memory State Backend: storing state in memory, suitable for scenarios with low latency and high throughput.<\/li>\n<li>RocksDB State Backend: Storing state in RocksDB, suitable for scenarios requiring large-scale state storage.<\/li>\n<li>FsState Backend: Stores state in a distributed file system, suitable for scenarios requiring high reliability and durability.<\/li>\n<li>Custom State Backend: Users can implement their own custom state storage method based on their needs.<\/li>\n<\/ol>\n<p>The storage methods for these states can be selected based on the specific application scenarios, allowing for flexible switching of storage methods in different scenarios.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Flink supports multiple ways of storing state, including: Memory State Backend: storing state in memory, suitable for scenarios with low latency and high throughput. RocksDB State Backend: Storing state in RocksDB, suitable for scenarios requiring large-scale state storage. FsState Backend: Stores state in a distributed file system, suitable for scenarios requiring high reliability and durability. [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[3829,342,4092,1303,1283],"class_list":["post-4478","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-apache-flink","tag-data-processing","tag-flink-state-backends","tag-state-management","tag-stream-processing"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Flink State Backends Explained - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"Discover 4 Flink state backends: Memory, RocksDB, FsState &amp; Custom. Choose the best for latency, scale, or reliability needs.\" \/>\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.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Flink State Backends Explained\" \/>\n<meta property=\"og:description\" content=\"Discover 4 Flink state backends: Memory, RocksDB, FsState &amp; Custom. Choose the best for latency, scale, or reliability needs.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-14T01:31:16+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-07-31T08:31:51+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin Taylor\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:site\" content=\"@SiliCloudGlobal\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin Taylor\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/\"},\"author\":{\"name\":\"Benjamin Taylor\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/ac801fe9549a25960ce48aa2e0a691c9\"},\"headline\":\"Flink State Backends Explained\",\"datePublished\":\"2024-03-14T01:31:16+00:00\",\"dateModified\":\"2025-07-31T08:31:51+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/\"},\"wordCount\":100,\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"keywords\":[\"Apache Flink\",\"Data Processing\",\"Flink state backends\",\"State Management\",\"stream processing\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/\",\"name\":\"Flink State Backends Explained - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\"},\"datePublished\":\"2024-03-14T01:31:16+00:00\",\"dateModified\":\"2025-07-31T08:31:51+00:00\",\"description\":\"Discover 4 Flink state backends: Memory, RocksDB, FsState & Custom. Choose the best for latency, scale, or reliability needs.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.silicloud.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Flink State Backends Explained\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"name\":\"Silicon Cloud Blog\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#organization\",\"name\":\"Silicon Cloud Blog\",\"url\":\"https:\/\/www.silicloud.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"contentUrl\":\"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png\",\"width\":1024,\"height\":1024,\"caption\":\"Silicon Cloud Blog\"},\"image\":{\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.facebook.com\/SiliCloudGlobal\/\",\"https:\/\/twitter.com\/SiliCloudGlobal\"]},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/ac801fe9549a25960ce48aa2e0a691c9\",\"name\":\"Benjamin Taylor\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/ec2e3d3e2d525fd148047c4520ae7c1cdccd1f4b48a1a488422b31f04f345c14?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/ec2e3d3e2d525fd148047c4520ae7c1cdccd1f4b48a1a488422b31f04f345c14?s=96&d=mm&r=g\",\"caption\":\"Benjamin Taylor\"},\"url\":\"https:\/\/www.silicloud.com\/blog\/author\/benjamintaylor\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Flink State Backends Explained - Blog - Silicon Cloud","description":"Discover 4 Flink state backends: Memory, RocksDB, FsState & Custom. Choose the best for latency, scale, or reliability needs.","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.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/","og_locale":"en_US","og_type":"article","og_title":"Flink State Backends Explained","og_description":"Discover 4 Flink state backends: Memory, RocksDB, FsState & Custom. Choose the best for latency, scale, or reliability needs.","og_url":"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/","og_site_name":"Blog - Silicon Cloud","article_publisher":"https:\/\/www.facebook.com\/SiliCloudGlobal\/","article_published_time":"2024-03-14T01:31:16+00:00","article_modified_time":"2025-07-31T08:31:51+00:00","author":"Benjamin Taylor","twitter_card":"summary_large_image","twitter_creator":"@SiliCloudGlobal","twitter_site":"@SiliCloudGlobal","twitter_misc":{"Written by":"Benjamin Taylor","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/#article","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/"},"author":{"name":"Benjamin Taylor","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/ac801fe9549a25960ce48aa2e0a691c9"},"headline":"Flink State Backends Explained","datePublished":"2024-03-14T01:31:16+00:00","dateModified":"2025-07-31T08:31:51+00:00","mainEntityOfPage":{"@id":"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/"},"wordCount":100,"publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"keywords":["Apache Flink","Data Processing","Flink state backends","State Management","stream processing"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/","url":"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/","name":"Flink State Backends Explained - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/blog\/#website"},"datePublished":"2024-03-14T01:31:16+00:00","dateModified":"2025-07-31T08:31:51+00:00","description":"Discover 4 Flink state backends: Memory, RocksDB, FsState & Custom. Choose the best for latency, scale, or reliability needs.","breadcrumb":{"@id":"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/blog\/what-are-the-different-ways-to-store-state-in-flink\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.silicloud.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Flink State Backends Explained"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/blog\/#website","url":"https:\/\/www.silicloud.com\/blog\/","name":"Silicon Cloud Blog","description":"","publisher":{"@id":"https:\/\/www.silicloud.com\/blog\/#organization"},"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.silicloud.com\/blog\/#organization","name":"Silicon Cloud Blog","url":"https:\/\/www.silicloud.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","contentUrl":"https:\/\/www.silicloud.com\/blog\/wp-content\/uploads\/2023\/11\/EN-SILICON-Full.png","width":1024,"height":1024,"caption":"Silicon Cloud Blog"},"image":{"@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/SiliCloudGlobal\/","https:\/\/twitter.com\/SiliCloudGlobal"]},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/ac801fe9549a25960ce48aa2e0a691c9","name":"Benjamin Taylor","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.silicloud.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/ec2e3d3e2d525fd148047c4520ae7c1cdccd1f4b48a1a488422b31f04f345c14?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/ec2e3d3e2d525fd148047c4520ae7c1cdccd1f4b48a1a488422b31f04f345c14?s=96&d=mm&r=g","caption":"Benjamin Taylor"},"url":"https:\/\/www.silicloud.com\/blog\/author\/benjamintaylor\/"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/4478","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/comments?post=4478"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/4478\/revisions"}],"predecessor-version":[{"id":149145,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/posts\/4478\/revisions\/149145"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/media?parent=4478"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/categories?post=4478"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/blog\/wp-json\/wp\/v2\/tags?post=4478"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}