Our Blog

Welcome to the Polar Signals blog where we write about profiling, performance, and company culture.

Profiling Mojo 🔥

A look at profiling Modular's Mojo language.

September 7, 2023 | Frederic Branczyk

Profiling

eBPF

DWARF

DWARF-Based Unwinding

Debuginfo

Debuginfod

Mojo🔥

View Profiling Data within Code

A look at an exciting new feature in Polar Signals Cloud: Source View.

August 31, 2023 | Frederic Branczyk

Profiling

Continuous-Profiling

Software Development

Correctly Profiling Node.js with Zero-Instrumentation

Or: A tale of handling unexpected behaviour by the v8 runtime.

July 12, 2023 | Frederic Branczyk, Javier Honduvilla Coto

Parca Agent

Interpreter

Node.Js

Perf

Symbols

Frame Pointers

DWARF

JIT

Profiling

Javascript

Polar Signals at KubeCon EU 2023

Attending KubeCon EU 2023 in Amsterdam, Netherlands.

April 17, 2023 | Kemal Akkoyun

KubeCon

Community

Embeddable Profiles in pprof.me

Say goodbye to taking screenshots of flame graphs/profile data. Now you can embed the interactive profiles directly in any website.

April 05, 2023 | Manoj Vivek

Profile-Sharing

pprof.me

Ice and Fire: How to read icicle and flame graphs

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.

March 28, 2023 | Kemal Akkoyun

Continuous profiling

Profiling

Icicle graphs

Flame graphs

Performance

Performance monitoring

Performance profiling

Performance Analysis

Data Visualization

Designing Your Indexes for Better Database Performance

How we improved our database query performance by 80% and the intuition behind the changes that led to this improvement

March 21, 2023 | Alfonso Subiotto Marqués

Parca

Databases

Performance

Indexes

Schema

What’s new in Parca 0.16 and Parca Agent 0.13?

We have exciting updates in this release, including improved JIT symbolization, reliability and quality improvements, step querying, and more!

March 1, 2023 | Javier Honduvilla Coto, Yomi Eluwande

Continuous-Profiling

Profiling

Parca

Parca Agent

DWARF

DWARF-Based Unwinding

JIT

Symbolization

Step Querying

Icicle Graphs