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  5. P99 Latency

P99 Latency

1 post tagged #p99-latency

jemalloc, tcmalloc, performance-engineering, p99-latency, memory-allocator Technology

jemalloc vs malloc vs tcmalloc: Fix P99 Latency Spikes

Your server's default memory allocator is almost certainly the wrong choice for concurrent workloads. Here's how jemalloc and tcmalloc crush P99 latency without changing a single line of code.

March 17, 2026 7 min read
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KG

Building intelligent systems. Still chasing those sour icecreams.

Made with coffee and curiosity in Toronto. 2026.