apache/pekko

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Build highly concurrent, distributed, and resilient message-driven applications using Java/Scala

Stars: 1.6k
Forks: 211
Open beginner issues: 0
Indexed issues: 126
Avg merge: 1d 6h
Merged PRs (30d): 89

Dominant language: Scala
License: Apache-2.0
Last GitHub push: Sep 13, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

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126 open issues indexed

Drop Artery UDP based on Aeron Open

apache/pekko#40 · 7 comments · 4 reactions · 0 assignees · Indexed Sep 14, 2026
Drop Classic remoting Open

apache/pekko#41 · 4 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Figure out classes that need to be renamed for migration script Open

apache/pekko#68 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Automate the release Open

apache/pekko#85 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Whitelist for custom serializer of classes in pekko package Open

apache/pekko#95 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Use sbt-rsync plugin instead of github action or remove sbt-publish-rsync Open

nice-to-have (low-prio)

apache/pekko#104 · 18 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
Provide a way to handle upcoming remote wire incompatibility Open

apache/pekko#108 · 17 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Create a migration guide to migrate from Akka to Pekko Open

apache/pekko#109 · 5 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Podling scan reports errors Open

apache/pekko#110 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Clearly describe current project state and how to contribute Open

apache/pekko#112 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Setup the release process Open

apache/pekko#130 · 81 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
try to fix the multi-node CI build Open

apache/pekko#139 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Investigate forming mixed Pekko and Akka cluster Open

apache/pekko#146 · 12 comments · 1 reaction · 1 assignee · Indexed Sep 14, 2026
support adding custom dispatchers Open

apache/pekko#207 · 6 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Create sbt plugin for header check? Open

question

apache/pekko#210 · 12 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Report nightly failures on one of the mailing lists Open

apache/pekko#220 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
rewrite pekko-platform-guide to use pekko artifacts and to remove Akka refs Open

help wanted

apache/pekko#244 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
See if `scripts/link-validator.conf` can accept wildcards to remove needing to specify Scala minor versions Open

apache/pekko#260 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature request] Test on Arm box Open

apache/pekko#279 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Simplify the logging in pekko CI tests Open

apache/pekko#304 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Improve performance of `IdGenerator.EnhancedDoubleHashGenerator` Open

nice-to-have (low-prio) performance

apache/pekko#411 · 0 comments · 0 reactions · 5 assignees · Indexed Sep 14, 2026
Add/enable scalafix in pekko Open

apache/pekko#414 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Docs: child actors automatically restarted only if they were created in setup method ?? Open

apache/pekko#451 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
consider changes to pekko-protobuf-v3 Open

apache/pekko#478 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
add release authors details Open

apache/pekko#508 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Use sbt's multi-jvm instead of our manual implementation? Open

apache/pekko#548 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Upgrade scalafix for build-in rules of OrganizeImports Open

apache/pekko#573 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Clustering issues leading to all nodes being downed Open

bug help wanted needs-reproducible-test

apache/pekko#578 · 25 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Optimize the Current ConcurrentHashMap usage Open

performance

apache/pekko#588 · 4 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Improve performance for Flow#flatmapConcat Open

apache/pekko#622 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add supervisor strategy support for Flow#throttle Open

apache/pekko#655 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
ForkJoinPoolStarvationSpec Open

failed flaky

apache/pekko#661 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add retry with condition support? Open

apache/pekko#672 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
japi for Custom shard allocation Open

apache/pekko#750 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
investigate license issue with /actor-tests/src/test/bind/etc/ files Open

apache/pekko#809 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support building with Windows Open

help wanted

apache/pekko#829 · 10 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Add a `Sink.extract` function which pre-materializes data from a `Sink` and lets you replay that entire data stream into an existing Sink Open

apache/pekko#867 · 1 comment · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Update instructions after the static content asset change Open

apache/pekko#881 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Add inliner developer documentation Open

documentation

apache/pekko#906 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Exposes the current interpreter when init/prestart the stage. Open

t:stream

apache/pekko#918 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
CI should run paradox to check for documentation compile issues Open

apache/pekko#959 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Feature request: RestartWithBackOffAndFallback for Flow & Sink Open

t:stream

apache/pekko#980 · 17 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Feature request: Add `Sink#orElse` operator Open

t:stream

apache/pekko#987 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Feature request: Add `Flow#switchOnFirst` operator for shortcut of `prefixAndtail(1).flatmapConcat(..)` ? Open

apache/pekko#988 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Rework the `DslFactoriesConsistencySpec` Open

help wanted t:stream

apache/pekko#1013 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Use upstream sbt-multi-jvm Open

build

apache/pekko#1015 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Don't run osgiBundle when it's not required. Open

build

apache/pekko#1032 · 5 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Build script/plugin issue tracker Open

apache/pekko#1052 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
add docs describing the Akka cluster support Open

apache/pekko#1056 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
some fan in/out operator missing fluent API Open

apache/pekko#1091 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026

apache/pekko

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