Welcome to the Polar Signals blog where we write about profiling, performance, and company culture.
Symbolizing Postgres Profiling Data
A journey through undocumented behavior.
February 8, 2023 | Frederic Branczyk
Postgres
Sql
Profiling
Continuous-Profiling
Debuginfo
Debuginfod
DWARF
Polar Signals at FOSDEM 2023
Attending FOSDEM 2023 in Brussels.
February 3, 2023 | Frederic Branczyk
FOSDEM
Community
Introduction to Parca - Part 2
Parca Agent is our open source, always-on eBPF-based continuous profiler. In this article, we will learn some of the concepts behind Parca Agent and use it to profile our system.
January 19, 2023 | Sumera Priyadarsini
Continuous-Profiling
BPF
eBPF
Observability
Parca
Parca Agent
Debuginfo
Relabeling
What's new in Parca?
Looking at some exciting features that recently landed in Parca.
January 3, 2023 | Frederic Branczyk
Continuous-Profiling
BPF
eBPF
Observability
Parca
Parca Agent
Debuginfo
Autocomplete
Relabeling
Prometheus
Design Decisions of a Continuous Profiler
The tradeoffs and considerations building continuous, fleet-wide profilers.
December 14, 2022 | Frederic Branczyk, Javier Honduvilla Coto, Kemal Akkoyun, Monica Wojciechowski, Thor Hansen
Continuous-Profiling
BPF
eBPF
Observability
Parca
FrostDB
High Cardinality
Debuginfod
Parca Agent
DWARF-based Stack Walking Using eBPF
Deep dive into the new DWARF-based stack unwinder using eBPF.
November 29, 2022 | Javier Honduvilla Coto
Profiling
BPF
eBPF
Observability
Frame Pointers
DWARF
DWARF-Based Unwinding
.eh_frame
Parca Agent
Announcing Profiling Support Without Frame Pointers
Open-Source Parca Agent is adding support for native applications compiled without frame pointers.
November 23, 2022 | Javier Honduvilla Coto
Profiling
eBPF
Observability
Frame Pointers
DWARF
DWARF-Based Unwinding
.eh_frame
Parca Agent
Parca now also in Grafana Core
Parca in Grafana without having to install a plugin!
November 2, 2022 | Matthias Loibl, Frederic Branczyk