Targeted Log Levels
Hey HN! A bug has been reported. Maybe it’s the data pipeline for a particular customer, checkouts with Paypal in Australia or Bluetooth connections on older Android devices. Whatever the case is, you’re sitting there and there’s simply not enough information to diagnose the issue. Wouldn’t it be great if you could snap your fingers and start looking at DEBUG logs for just the customer in question? We think so too. This was one of the most delightful features that the core platform teams provided me when I worked at a large org and I missed it dearly after I left. Here's what Prefab provides…
Targeted Log Levels launched on May 9, 2023 with 12 votes, #1,652 of 4,910 launches that month and more than 75% of that year's launches.
In plain words
Targeted Log Levels is a developer tool that allows engineers to dynamically adjust logging levels in real time without code changes. When debugging issues, users can instantly enable DEBUG logs for specific customers, transactions, devices, or other criteria while keeping production logging unchanged. The tool integrates with existing logging infrastructure and can be installed locally, making it useful for teams investigating hard-to-reproduce bugs or issues affecting particular user segments.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hey HN! A bug has been reported. Maybe it’s the data pipeline for a particular customer, checkouts with Paypal in Australia or Bluetooth connections on older Android devices. Whatever the case is, you’re sitting there and there’s simply not enough information to diagnose the issue. Wouldn’t it be great if you could…
Does a similar job
all alternatives →
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Source: Show HN post ↗ · launch text quoted in part
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