{"id":2939,"date":"2025-09-24T09:58:20","date_gmt":"2025-09-24T09:58:20","guid":{"rendered":"https:\/\/learning.workfall.com\/learning\/blog\/helpie_faq\/q-how-to-manage-connection-pooling-and-concurrency\/"},"modified":"2025-09-24T09:58:20","modified_gmt":"2025-09-24T09:58:20","slug":"q-how-to-manage-connection-pooling-and-concurrency","status":"publish","type":"helpie_faq","link":"https:\/\/learning.workfall.com\/learning\/blog\/helpie_faq\/q-how-to-manage-connection-pooling-and-concurrency\/","title":{"rendered":"Q. How to manage connection pooling and concurrency?"},"content":{"rendered":"

A:<\/strong> Use a pool (e.g. Diesel + <\/span>r2d2<\/span>) to maintain multiple PostgreSQL connections. Configure max pool size based on expected load and DB resources. In Rocket, request guards can provide pooled connection references to handlers, ensuring reuse. Avoid opening a new connection per request. Also watch out for blocking DB operations \u2014 consider running long DB tasks in background threads or using asynchronous wrappers if needed (depending on Rocket\u2019s async support).<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

A: Use a pool (e.g. Diesel + r2d2) to maintain multiple PostgreSQL connections. Configure max pool size based on expected load and DB resources. In Rocket, request guards can provide pooled connection references to handlers, ensuring reuse. Avoid opening a new connection per request. Also watch out for blocking DB operations \u2014 consider running long […]<\/p>\n","protected":false},"author":257,"featured_media":0,"menu_order":0,"comment_status":"","ping_status":"closed","template":"","format":"standard","meta":{"spay_email":""},"helpie_faq_category":[469],"helpie_faq_group":[516],"yoast_head":"\nQ. 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Also watch out for blocking DB operations \u2014 consider running long […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ec2-18-141-20-153.ap-southeast-1.compute.amazonaws.com\/learning\/blog\/helpie_faq\/q-how-to-manage-connection-pooling-and-concurrency\/\" \/>\n<meta property=\"og:site_name\" content=\"The Workfall Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/workfall\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:site\" content=\"@workfall\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Organization\",\"@id\":\"https:\/\/18.141.20.153\/learning\/blog\/#organization\",\"name\":\"Workfall - Hire #Kickass Coders On Demand\",\"url\":\"https:\/\/18.141.20.153\/learning\/blog\/\",\"sameAs\":[\"https:\/\/www.instagram.com\/workfall\/\",\"https:\/\/www.linkedin.com\/company\/workfall\/\",\"https:\/\/facebook.com\/workfall\",\"https:\/\/twitter.com\/workfall\"],\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/18.141.20.153\/learning\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/i1.wp.com\/18.141.20.153\/learning\/blog\/wp-content\/uploads\/2021\/10\/cropped-WF_logo.png?fit=400%2C400\",\"contentUrl\":\"https:\/\/i1.wp.com\/18.141.20.153\/learning\/blog\/wp-content\/uploads\/2021\/10\/cropped-WF_logo.png?fit=400%2C400\",\"width\":400,\"height\":400,\"caption\":\"Workfall - Hire #Kickass Coders On Demand\"},\"image\":{\"@id\":\"https:\/\/18.141.20.153\/learning\/blog\/#\/schema\/logo\/image\/\"}},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/18.141.20.153\/learning\/blog\/#website\",\"url\":\"https:\/\/18.141.20.153\/learning\/blog\/\",\"name\":\"The Workfall Blog\",\"description\":\"#Tech #Remote #Jobs\",\"publisher\":{\"@id\":\"https:\/\/18.141.20.153\/learning\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/18.141.20.153\/learning\/blog\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ec2-18-141-20-153.ap-southeast-1.compute.amazonaws.com\/learning\/blog\/helpie_faq\/q-how-to-manage-connection-pooling-and-concurrency\/#webpage\",\"url\":\"https:\/\/ec2-18-141-20-153.ap-southeast-1.compute.amazonaws.com\/learning\/blog\/helpie_faq\/q-how-to-manage-connection-pooling-and-concurrency\/\",\"name\":\"Q. 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