Read the Wait, Not the Plan: Query Debugging on a Map
Plans lie. Not on purpose — they're honest about what they intend. But they more rare tell you where the second concrete go. I spent a week chasing a ...
9 articles in this category
Plans lie. Not on purpose — they're honest about what they intend. But they more rare tell you where the second concrete go. I spent a week chasing a ...
You know the feeling. You push code that passed local tests, but in production the query takes six seconds. Users refresh, retry, leave. By the time y...
You open the plan. Colorful rectangles, arrows thick and thin, numbers everywhere. The query took forty-seven seconds. The plan says the estimated cos...
You've been there. You write a JOIN that should take milliseconds. Instead, it crawls. Your query spins like a tangled Christmas light—pulling one str...
I once walked into a server room—back when those existed—and saw a monitor displaying 47 indexes on a single table. The DBA on duty shrugged. 'Each on...
You've been staring at the same query for twenty minutes. The spinner mocks you. Your users are refreshing Slack, asking if "the site is down." It's n...
You write a query. It runs. But it takes forever. Or it returns the off rows. Or both. That sinking feeling — you know the data is in there, but the q...
You open your monitoring dashboard. A query has been running for 12 seconds—every phase. It blocks other operations. Users are complaining. But when y...
You are staring at a loading spinner. Three seconds pass. Then ten. Your database query has been running for 47 seconds and counting. Somewhere in you...