A few months ago, I updated a popular Ruby on Rails gem, Sidekiq, from version 5 to 6. It came with a major breaking change which removed the built-in daemonization that it came with, and users were asked to let the operating system handle it instead. The documentation suggested a few tools, among which were systemd, upstart, and foreman.
More …One day, while I was looking through Sentry’s performance monitoring section, I noticed that some APIs were performing poorly, with some queries taking more than a minute to complete. Usually, they would take 10 seconds at most. I opened up an event to look at the flame graph and this is a snippet of what I saw:
More …Some time back in February, I started to notice that my servers were becoming unstable. The graphs looked like this:
More …As I’ve progressed in my career and met more colleagues, I’ve started to meet some people who are hardcore supporters of Kubernetes, containers, and microservices. Now, there’s nothing wrong with this. These inventions have made life a lot easier on both the development and operations front, but it has also brought a lot of hype and misconceptions along with it.
More …Everyone’s got certain websites and tools that they go back to, or certain guides and snippets of information that’s really hard to find, despite being very well written. I feel that I should share some of these, so that others can benefit from them.
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