Understanding Weak References in Java

Some time ago I was interviewing candidates for a Senior Java Engineer position. Among the many questions I asked was “What can you tell me about weak…

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Making FlameGraphs with Containerized Java

About a month ago, I had the pleasure of taking a tutorial led by the fantastic Brendan Gregg on creating FlameGraphs using the Linux perf toolset. I recommend reading his many blog posts on the subject, but in short: while perf is an excellent resource f...

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