microsoft/retina

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eBPF distributed networking observability tool for Kubernetes

Stars: 3.2k
Forks: 304
Open beginner issues: 2
Indexed issues: 124
Avg merge: 1d 19h
Merged PRs (30d): 78

Dominant language: Go
License: MIT
Last GitHub push: Sep 15, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted good first issue

Beginner friendly Everything

Open All

123 open issues indexed

operator: does not clean up stale RetinaEndpoints across restarts Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

microsoft/retina#2708 · Opened Sep 1, 2026
operator: memleak with identities of deleted Pods retained in memory Open

area/operator

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/retina#2647 · 1 comment · Opened Aug 13, 2026
networkobservability_tcp_connection_remote only emits address=AllIPs instead of per-remote address labels Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

microsoft/retina#2559 · Opened Jul 21, 2026
Compatibility matrix for Retina's eBPF programs across kernels — useful? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

microsoft/retina#2460 · Opened Jun 21, 2026
shell: include Cilium debug tooling (cilium-dbg, cilium-bugtool) Open

Difficulty 2/5 Half a day Newbie friendliness 76/100

microsoft/retina#2405 · Opened Jun 2, 2026
Building Windows images locally is failing & not documented Open

area/infra area/windows type/bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/retina#2373 · Opened May 22, 2026
DNS plugin fails on GKE Container-Optimized OS nodes with cannot allocate memory Open

Difficulty 4/5 3-5 days Newbie friendliness 50/100

microsoft/retina#2250 · 1 comment · Opened Apr 27, 2026
[Helm] Missing CAP_BPF in retina-agent Daemonset spec Open

Difficulty 2/5 1-3 hours Newbie friendliness 78/100

microsoft/retina#2236 · 2 comments · Opened Apr 23, 2026
Monitoring for lost samples in kernel space and failed packetparser reports for ring buffers Open

area/plugins lang/c lang/go type/enhancement

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/retina#2235 · 1 comment · Opened Apr 22, 2026
CI: Add eBPF plugin validation across multiple kernel versions Open

Difficulty 5/5 Over a week Newbie friendliness 45/100

microsoft/retina#2205 · Opened Apr 17, 2026
Hubble metric identity resolution incomplete for remote (cross-node) pod endpoints Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

microsoft/retina#2182 · Opened Apr 13, 2026
Remove retinaebpfapi.dll from Retina package Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/retina#2069 · Opened Feb 19, 2026
Add tcping to retina Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

microsoft/retina#2022 · Opened Feb 4, 2026
Auto mode for packetparser ring buffer Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/retina#2017 · Opened Feb 3, 2026
Document PR #1981 (packetparser ring buffer support) Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/retina#2016 · Opened Feb 3, 2026
`retina-agent` panics when initialize `dropreason` on EKS 1.33 Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/retina#2000 · 6 comments · Opened Jan 22, 2026
Documentation and Code for adv_tcpretrans_count doesn't align Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

microsoft/retina#1999 · Opened Jan 21, 2026
Automate windows base image update Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/retina#1978 · Opened Dec 12, 2025
implement adaptive sampling instead of probablistic sampling Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

microsoft/retina#1967 · Opened Dec 7, 2025
Set up Copilot instructions Open

microsoft/retina#1886 · 1 reaction · 1 assignee · Opened Sep 19, 2025
Missing source, destination context with hubble_dns* metrics Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/retina#1872 · 1 comment · 1 reaction · Opened Sep 8, 2025
Can't evaluate bytes pod-to-pod if using hubble control plane Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/retina#1841 · 2 comments · Opened Aug 26, 2025
Network traffic stops after Retina DaemonSet restart on AKS with Cilium Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

microsoft/retina#1804 · 5 comments · 1 reaction · Opened Aug 6, 2025
Images seem to contain a lot of unused binaries Open

microsoft/retina#1791 · 1 reaction · 1 assignee · Opened Jul 31, 2025
Consume expanded BTF info on Azure Linux Open

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

microsoft/retina#1776 · Opened Jul 25, 2025
High "No Response" Metric in Retina Latency Module Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/retina#1772 · Opened Jul 24, 2025
Feature Request: Pluggable Collector Architecture for Custom Data Ingestion Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

microsoft/retina#1771 · 1 comment · Opened Jul 23, 2025
DNS plugin crashes retina-agent when debugfs is not mounted Open

microsoft/retina#1711 · 1 comment · 1 assignee · Opened Jun 26, 2025
Need a documentation page comparing drops stats from other oss projects Open

microsoft/retina#1681 · 1 reaction · 1 assignee · Opened Jun 12, 2025
Tests in merge queue are taking to long Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

microsoft/retina#1674 · Opened Jun 10, 2025
Krew plugin watching for drop events Open

microsoft/retina#1672 · 2 reactions · 1 assignee · Opened Jun 9, 2025
Enable Advanced Metrics in Retina with Existing Hubble/Cilium Setup Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/retina#1642 · 5 reactions · Opened May 30, 2025
Update documentation with Hubble UI on Retina. Open

microsoft/retina#1598 · 4 comments · 1 assignee · Opened May 13, 2025
Update documentation with Hubble CLI on Retina. Open

microsoft/retina#1597 · 2 comments · 1 assignee · Opened May 13, 2025
Add v6 support for enricher Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

microsoft/retina#1583 · Opened May 7, 2025
hnsstats and ebpfwindows plugin needs to detect L3 stack before it starts Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/retina#1578 · Opened May 5, 2025
ebpfwindows plugin to show loss event counter Open

area/plugins area/windows control-plane/standard go lang/go priority/1 scope/M type/fix

microsoft/retina#1572 · 1 assignee · Opened May 1, 2025
Add a check/function to ebpfwindows plugin to ignore processing incompatible cilium structures from kernel Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

microsoft/retina#1571 · Opened May 1, 2025
feat(standalone): Create metrics module updating required metrics from HNS stats plugin Open

area/windows

microsoft/retina#1547 · 1 assignee · Opened Apr 18, 2025
retina-shell support for Windows Open

area/shell

microsoft/retina#1529 · 1 reaction · 1 assignee · Opened Apr 10, 2025
To add logic to enable either hns-stats plugin or ebpfwindows plugin in retina based on underlying networking stack Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/retina#1488 · Opened Mar 27, 2025
Upon helm upgrade with new config, retina-win daemon Seet does not cause pod rollout Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

microsoft/retina#1487 · Opened Mar 27, 2025
Traffic from Linux Node to Windows Node does not get enriched by retina win pod Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

microsoft/retina#1486 · Opened Mar 27, 2025
Change heartbeat to use connection strings Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/retina#1484 · Opened Mar 27, 2025
Create functional/validation tests Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

microsoft/retina#1483 · Opened Mar 27, 2025
Onboard advanced metrics dashboard to Windows Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

microsoft/retina#1465 · Opened Mar 24, 2025
Self-Managed Prometheus for Retina in Windows does not work Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

microsoft/retina#1457 · 1 comment · Opened Mar 21, 2025
Retina agent pods crash looping after node upgrade (AKS) Open

Difficulty 4/5 3-5 days Newbie friendliness 28/100

microsoft/retina#1439 · 4 comments · 2 reactions · Opened Mar 17, 2025
Update documentation with Hubble CLI and Hubble UI deployment instructions on Retina. Open

area/documentation control-plane/hubble good first issue scope/S type/enhancement

microsoft/retina#1387 · 3 comments · 2 reactions · 1 assignee · Opened Feb 26, 2025
source_* and destination_* labels show only unknown Open

Difficulty 4/5 3-5 days Newbie friendliness 38/100

microsoft/retina#1381 · 1 reaction · Opened Feb 24, 2025

microsoft/retina

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