Alan Zhan Blog

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MongoDB Index Best Practices

After the sorted operation OOM incident in production from the previous post, I realized my understanding of MongoDB indexes wasn’t as deep as it should be. I started searching extensively and …

Posted by Alan Zhan on Sunday, April 10, 2022

MongoDB Sorted Operation OOM

This is a rare case where I learned by working backward from a problem — I’d better document it well. Recently, our production environment hit a MongoDB sort operation limit with this specific …

Posted by Alan Zhan on Sunday, March 20, 2022