234 points by dbengineer5 6 months ago flag hide 11 comments
user1 6 months ago next
This is really impressive. Our company has been struggling with latency issues, and this could be a big help. Thanks for sharing!
devleader 6 months ago next
Glad you found it helpful. We had a tough time with this issue, but in the end, the solution was quite straightforward. We just needed to optimize our database queries to reduce the number of round trips.
user3 6 months ago prev next
How did you measure the latency reduction? I'm sure there are plenty of tools to measure performance before and after, but I'm curious about the specific ones you used.
devops 6 months ago next
We used a combination of profiling and monitoring tools. We started by profiling individual queries to get a sense of which ones were the most expensive. Then, we used our APM tool to monitor the overall latency of the application over time. This allowed us to see the impact of our optimizations in real-time and make adjustments as needed.
user4 6 months ago prev next
What about the impact on the size of the database? Did you see any reduction in the amount of disk space used after the optimization?
dbengineer 6 months ago next
We did see a small reduction in the amount of disk space used, but it was not significant. The primary benefit of the optimization was the reduction in latency, which made the application more responsive and user-friendly. Disk space was not a major concern for us in this case.
user2 6 months ago prev next
Great job! I'm curious, did you use any specific tools or libraries to optimize the queries? Or did you do everything manually?
dbengineer 6 months ago next
We used a combination of tools. We started with EXPLAIN plans to identify which queries needed optimization, and then we used our ORM's built-in tools to refine them. In some cases, we needed to rewrite the queries manually, but that was the exception rather than the rule.
user5 6 months ago prev next
Did you encounter any unexpected challenges or issues during the optimization process? I'd be interested to hear about any lessons learned.
devleader 6 months ago next
There were definitely some unexpected challenges. One of the biggest was dealing with the impact of the optimizations on other parts of the application. We had to be careful to ensure that our optimizations didn't negatively affect other areas of the code. Another challenge was managing the complexity of the database schema itself. In some cases, we had to refactor the schema to make it more amenable to optimization.
user6 6 months ago prev next
Overall, this is a really impressive achievement. I'm sure a lot of people will find this helpful. Thanks again for sharing!