{"type":"rich","version":"1.0","provider_name":"Transistor","provider_url":"https://transistor.fm","author_name":"Programming Tech Brief By HackerNoon","title":"How I Proved a 12-Million-Record Data Migration Was Actually Correct","html":"<iframe width=\"100%\" height=\"180\" frameborder=\"no\" scrolling=\"no\" seamless src=\"https://share.transistor.fm/e/989af34e\"></iframe>","width":"100%","height":180,"duration":848,"description":"\n        This story was originally published on HackerNoon at: https://hackernoon.com/how-i-proved-a-12-million-record-data-migration-was-actually-correct.\nI have spent two decades building and leading engineering teams. Here's what I learned, so you can apply it to your own migration.\nCheck more stories related to programming at: https://hackernoon.com/c/programming.\n            You can also check exclusive content about #data-migration, #data-engineering, #data-quality, #database, #software-architecture, #legacy-modernization, #microservices, #engineering-leadership,  and more.\nThis story was written by: @advaittrivedi. Learn more about this writer by checking @advaittrivedi's about page,\n            and for more stories, please visit hackernoon.com.\nThe article discusses the importance of verifying data during a migration, as a green checkmark can be misleading if the data is incorrect. The author shares their experience of migrating 12.3 million records from a legacy Oracle monolith to microservices backed by PostgreSQL and DocumentDB, and how they achieved a 99.9994% match rate by following a series of steps to ensure data correctness.","thumbnail_url":"https://img.transistorcdn.com/KhCapPSRkLGL2Xw8888yuChkNRWthaKapLYTvNdu4W4/rs:fill:0:0:1/w:400/h:400/q:60/mb:500000/aHR0cHM6Ly9pbWct/dXBsb2FkLXByb2R1/Y3Rpb24udHJhbnNp/c3Rvci5mbS9zaG93/LzQxMTY2LzE2ODM1/ODIzMzAtYXJ0d29y/ay5qcGc.webp","thumbnail_width":300,"thumbnail_height":300}