diff --git a/public/roadmap-content/system-design.json b/public/roadmap-content/system-design.json index 6cc0d036f..4bd5d6fd3 100644 --- a/public/roadmap-content/system-design.json +++ b/public/roadmap-content/system-design.json @@ -1140,8 +1140,14 @@ }, "Ihnmxo_bVgZABDwg1QGGk": { "title": "Synchronous I/O", - "description": "Blocking the calling thread while I/O completes can reduce performance and affect vertical scalability.\n\nA synchronous I/O operation blocks the calling thread while the I/O completes. The calling thread enters a wait state and is unable to perform useful work during this interval, wasting processing resources.\n\nCommon examples of I/O include:\n\n* Retrieving or persisting data to a database or any type of persistent storage.\n* Sending a request to a web service.\n* Posting a message or retrieving a message from a queue.\n* Writing to or reading from a local file.\n\nThis antipattern typically occurs because:", - "links": [] + "description": "Blocking the calling thread while I/O completes can reduce performance and affect vertical scalability.\n\nA synchronous I/O operation blocks the calling thread while the I/O completes. The calling thread enters a wait state and is unable to perform useful work during this interval, wasting processing resources.\n\nCommon examples of I/O include:\n\n* Retrieving or persisting data to a database or any type of persistent storage.\n* Sending a request to a web service.\n* Posting a message or retrieving a message from a queue.\n* Writing to or reading from a local file.\n\nThis antipattern typically occurs because:\n\n* It appears to be the most intuitive way to perform an operation.\n* The application requires a response from a request.\n* The application uses a library that only provides synchronous methods for I/O.\n* An external library performs synchronous I/O operations internally. A single synchronous I/O call can block an entire call chain.\n\nVisit the following links to learn more:", + "links": [ + { + "title": "What is Synchronous I/O antipattern?", + "url": "https://learn.microsoft.com/en-us/azure/architecture/antipatterns/synchronous-io/", + "type": "article" + } + ] }, "hDFYlGFYwcwWXLmrxodFX": { "title": "Monitoring",