Why Java’s TLABs are so important in multicore environments

The JVM’s garbage collectors make use of Thread-Local Allocation Buffers (TLABs) to improve allocation performance. In this article we’re going to understand what TLABs are, how they affect the code generated by the JIT for allocation and what the resulti… Read more

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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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