Your Rails app appears to be humming along just fine. But then, out of the blue, one of your most important customers emails your support team: "the site is loading slowly - is something up"? You frantically browse around the site, but everything seems fine. You double-check the charts: things look normal. Is the customer trying to trick you? Is monitoring broken? In this post, I'll show how to sl
![Visualizing Rails logs With Jupyter Notebook | Scout APM Blog](https://cdn-ak-scissors.b.st-hatena.com/image/square/1f77242396426bc2b9a6decd2cb00ade50af0842/height=288;version=1;width=512/https%3A%2F%2Fassets.scoutapm.com%2Fassets%2Fscout_apm-80cb3033ec7a799bffffd677158338bfd445efd989380fa219f3c02fb9fdf90f.png)