{"id":4125,"date":"2022-04-16T06:00:37","date_gmt":"2022-04-16T06:00:37","guid":{"rendered":"https:\/\/www.wikitechy.com\/interview-questions\/?p=4125"},"modified":"2022-04-16T06:00:37","modified_gmt":"2022-04-16T06:00:37","slug":"what-are-the-elements-of-the-sharded-cluster","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/interview-questions\/mongodb\/what-are-the-elements-of-the-sharded-cluster\/","title":{"rendered":"What are the elements of the Sharded Cluster ?"},"content":{"rendered":"<ul>\n<li>Sharding is used to create a cluster of MongoDB instances consisting of at least three servers.<\/li>\n<li>There are three types of elements in Sharded Cluster.<\/li>\n<\/ul>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\n<li>Shards<\/li>\n<li>Query Router<\/li>\n<li>Config server<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-4126 size-full\" src=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/elelments-of-sharded-cluster.png\" alt=\"Elements of sharded cluster\" width=\"1218\" height=\"857\" srcset=\"https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/elelments-of-sharded-cluster.png 1218w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/elelments-of-sharded-cluster-300x211.png 300w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/elelments-of-sharded-cluster-1024x720.png 1024w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/elelments-of-sharded-cluster-768x540.png 768w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/elelments-of-sharded-cluster-390x274.png 390w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/elelments-of-sharded-cluster-820x577.png 820w, https:\/\/www.wikitechy.com\/interview-questions\/wp-content\/uploads\/2022\/04\/elelments-of-sharded-cluster-1180x830.png 1180w\" sizes=\"(max-width: 1218px) 100vw, 1218px\" \/><\/p>\n<h4 id=\"shards\">Shards :<\/h4>\n<ul>\n<li>It is a single MongoDB instance that holds a subset of the sharded data.<\/li>\n<li>It can be deployed as replica sets to provide redundancy and increase availability.<\/li>\n<li>The combination of multiple shards creates a complete data set.<\/li>\n<\/ul>\n<h4 id=\"query-router\">Query router :<\/h4>\n<ul>\n<li>Query router acts as a Mongos providing a stable interface between the application and the sharded cluster.<\/li>\n<li>In this MongoDB instance is responsible for routing the client requests to the correct shard.<\/li>\n<\/ul>\n<h4 id=\"config-server\">Config Server :<\/h4>\n<ul>\n<li>Config Server becomes to store the metadata (Data about the data) and the configuration settings for the whole cluster.<\/li>\n<\/ul>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sharding is used to create a cluster of MongoDB instances consisting of at least three servers. There are three types of elements in Sharded Cluster. Shards Query Router Config server Shards : It is a single MongoDB instance that holds a subset of the sharded data. It can be deployed as replica sets to provide [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16831],"tags":[17000,16998,17017,17015,17013,17002,17016,17001,16997,17004,17005,17014,17018,17011,16996,17010,17007,17006,17012,17008,17009,17019,17020,16999,17003],"class_list":["post-4125","post","type-post","status-publish","format-standard","hentry","category-mongodb","tag-deploy-sharded-cluster-using-hashed-sharding","tag-how-to-use-sharding-in-mongodb","tag-mongodb-backup-sharded-cluster","tag-mongodb-connect-to-sharded-cluster","tag-mongodb-sharded-cluster","tag-mongodb-sharded-cluster-architecture","tag-mongodb-sharded-cluster-kubernetes","tag-mongodb-sharded-cluster-setup","tag-mongodb-sharding","tag-mongodb-sharding-example","tag-mongodb-sharding-vs-partitioning","tag-mongodump-sharded-cluster","tag-mongorestore-sharded-cluster","tag-sharded-cluster-backup","tag-sharded-cluster-components","tag-sharded-cluster-deploy","tag-sharded-cluster-meaning","tag-sharded-cluster-mongodb","tag-sharded-cluster-mongodb-backup","tag-sharded-cluster-mongodb-tutorial","tag-sharded-cluster-replica-set","tag-sharded-redis-cluster","tag-sharded-replicated-cluster","tag-sharding-data-collections-with-mongodb","tag-types-of-sharding-in-mongodb"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What are the elements of the Sharded Cluster ? 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