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6 indexed repositories · View on GitHub

message_bus
A reliable and robust messaging bus for Ruby and Rack

Ruby · 1660 stars
logster
Log viewer UI and framework for rack

Ruby · 636 stars
prometheus_exporter
A framework for collecting and aggregating prometheus metrics

Ruby · 584 stars
rails_failover

Ruby · 117 stars
mini_mime
minimal mime type library

Ruby · 112 stars
email_reply_trimmer
Library to trim replies from plain text email.

Ruby · 62 stars

Beginner friendly Everything

Open All

Code audit: 86 findings (4 critical) — unescaped label keys, silent batch loss on 200 OK, MethodProfiler stack overflow Open

Difficulty 5/5 Over a week Newbie friendliness 18/100

discourse/prometheus_exporter#381 · 2 comments · Opened Aug 30, 2026
CVE-2026-38969 Open

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

discourse/prometheus_exporter#374 · 2 comments · 5 reactions · Opened Jul 7, 2026
Missing puma_busy_threads Open

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

discourse/prometheus_exporter#370 · Opened Mar 25, 2026
IndexError raised when parsing AWS `X-Amzn-Trace-Id` header Open

Difficulty 2/5 1-3 hours Newbie friendliness 58/100

discourse/prometheus_exporter#359 · 1 reaction · Opened Dec 1, 2025
Puma is deprecating on_worker_boot Open

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

discourse/message_bus#367 · 2 comments · Opened Oct 27, 2025
Ability to configure options via configuration file for exporter process Open

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

discourse/prometheus_exporter#345 · 2 reactions · Opened Jun 21, 2025
Resetting label combination values back to 0 Open

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

discourse/prometheus_exporter#336 · 1 comment · Opened Mar 19, 2025
Handle Aurora failover Open

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

discourse/rails_failover#85 · Opened Jan 20, 2025
Add YJIT metrics to `Process` Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

discourse/prometheus_exporter#331 · 1 reaction · Opened Jan 20, 2025
why is redis needed? with the move to solid_xyz in the rails world ... Open

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

discourse/logster#242 · 1 comment · Opened Oct 24, 2024
ActiveJob metrics? Open

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

discourse/prometheus_exporter#325 · 2 reactions · Opened Oct 1, 2024
Using connection string with `target_session_attrs` Open

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

discourse/rails_failover#78 · Opened Sep 11, 2024
x-wav not resolving to wav Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

discourse/mini_mime#60 · Opened Aug 26, 2024
Don't apply trimming within code blocks Open

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

discourse/email_reply_trimmer#21 · Opened Jul 18, 2024
Weird problem related to memory usage Open

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

discourse/prometheus_exporter#320 · 8 comments · Opened Jun 9, 2024
Random read failures Open

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

discourse/mini_mime#59 · 1 comment · Opened Apr 24, 2024
Support of application/problem+json and application/problem+xml media types Open

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

discourse/mini_mime#58 · 2 reactions · Opened Mar 6, 2024
Exporter fails after 1-3 weeks Open

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

discourse/prometheus_exporter#309 · 3 comments · Opened Feb 19, 2024
avoid global mutex for better concurrency Open

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

discourse/prometheus_exporter#306 · Opened Jan 30, 2024
Changing the `logger-path` doesn't seem to completely work Open

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

discourse/prometheus_exporter#295 · Opened Nov 29, 2023
Duplicate message_ids within the same channel Open

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

discourse/message_bus#346 · 1 comment · Opened Nov 3, 2023
on_middleware_error is not working Open

question

Difficulty 3/5 1-2 days Newbie friendliness 25/100

discourse/message_bus#345 · Opened Sep 20, 2023
Handling invalid names and labels Open

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

discourse/prometheus_exporter#292 · Opened Sep 18, 2023
Delayed Job metric name prefixes differ from each other Open

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

discourse/prometheus_exporter#291 · 1 comment · Opened Aug 28, 2023
Is there an option to populate metrics on startup? Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

discourse/prometheus_exporter#290 · 2 comments · Opened Aug 23, 2023
Custom buckets for built-in metrics Open

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

discourse/prometheus_exporter#289 · 1 comment · Opened Aug 3, 2023
Expected behaviour for repeated subscribe/unsubscribe Open

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

discourse/message_bus#342 · Opened Aug 1, 2023
NoMethodError when processing metrics Open

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

discourse/prometheus_exporter#283 · Opened Jun 16, 2023
Instrumenting Worker Process: undefined method `hostname' for PrometheusExporter:Module Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

discourse/prometheus_exporter#282 · Opened Jun 6, 2023
Explanation why a seperate run task is necessary and usage of sidecar Open

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

discourse/prometheus_exporter#281 · 1 comment · Opened May 29, 2023
Configuring redis backend as described in readme ignores url parameter Open

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

discourse/message_bus#333 · Opened May 23, 2023
Official Docker Image doesn't exist on DockerHub? Open

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

discourse/prometheus_exporter#277 · 4 comments · Opened Mar 24, 2023
Dynamic labels for sidekiq jobs Open

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

discourse/prometheus_exporter#274 · 3 comments · Opened Mar 16, 2023
on_connect and on_disconnect have no usage Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

discourse/message_bus#329 · Opened Feb 6, 2023
How can I mount the prometheus exporter as a route in Rails, instead of a separate standalone process? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

discourse/prometheus_exporter#264 · 7 reactions · Opened Jan 12, 2023
Keep Puma worker metrics segregated by PID Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

discourse/prometheus_exporter#253 · 4 comments · Opened Nov 14, 2022
Supporting OpenMetrics? Open

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

discourse/prometheus_exporter#244 · 1 comment · Opened Aug 31, 2022
active_record_connection_pool_waiting always returns 0 Open

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

discourse/prometheus_exporter#242 · 2 comments · Opened Aug 2, 2022
Sidekiq Stats Collector Memory Leak Open

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

discourse/prometheus_exporter#240 · 1 comment · 3 reactions · Opened Jun 15, 2022
Puma: getting only worker related metrics Open

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

discourse/prometheus_exporter#239 · 7 comments · Opened Jun 7, 2022
Confused about custom metrics Open

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

discourse/prometheus_exporter#238 · 2 comments · Opened Jun 7, 2022
Allow to mount on rails Open

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

discourse/prometheus_exporter#237 · 5 comments · Opened Jun 7, 2022
Add a way to simply add per-request/per-job metrics Open

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

discourse/prometheus_exporter#206 · Opened Jan 13, 2022
Need clarification on data design / filtering Open

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

discourse/mini_mime#44 · 4 comments · Opened Jan 6, 2022
Grafana dashboards Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

discourse/prometheus_exporter#201 · 4 comments · Opened Dec 12, 2021
Action and controller are lost when an error is handled by `ActionDispatch::ShowExceptions` Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

discourse/prometheus_exporter#200 · Opened Dec 10, 2021
Custom labels for sidekiq stats metrics Open

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

discourse/prometheus_exporter#196 · 5 comments · 1 reaction · Opened Dec 2, 2021
ALLOWED Config Labels is inaccurate for Rails 6.1 Open

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

discourse/prometheus_exporter#187 · 2 comments · Opened Sep 20, 2021
How to test with rspec or another testing framework Open

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

discourse/prometheus_exporter#178 · Opened Jul 29, 2021
Add hostname to puma instrumentation Open

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

discourse/prometheus_exporter#172 · 5 comments · Opened Jun 17, 2021

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