Iteratively explore your flame graphs with the MCP sandwich tool
Don't bloat your LLM's context. Let it iteratively explore the parts of your flame graphs that actually matter.
Don't bloat your LLM's context. Let it iteratively explore the parts of your flame graphs that actually matter.
Learn how we optimized Pyrra’s SLO monitoring to handle high-cardinality metrics at scale, reducing cross-zone traffic and query times while maintaining 99% accuracy.
Introducing Remote MCP Support in Polar Signals Cloud
Case Study: How turbopuffer leverages Polar Signals for Continuous Profiling
"High tail latency for one of our customers, was diagnosed immediately by seeing a large On-CPU time span"
“68.37% of CPU [...] with a one-line code change [...] went down to 31.82%”
How we scrape callstack information from the LuaJIT engine for profiling
Why dynamic dispatch is necessary and how to fix it with devirtualizing and PGO.
We're ready to share our product with the world!
Dive into the internals of profiling interpreted Python and Ruby code using eBPF
Flame graphs and icicle graphs are a great way to visualize performance profiles. In this post, we will learn how to read and interpret them.
How we improved our database query performance by 80% and the intuition behind the changes that led to this improvement
P.S. We got funded!
Building pprof profiles from scratch using Go
Learn how to demystify Pprof Labels using Go
Optimize your infrastructure autonomously every day with Claude Code and Polar Signals
How to use it with Polar Signals & Parca
Low-Overhead Profiling of GPUs with USDT Probes and eBPF

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