apache/pulsar

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Apache Pulsar - distributed pub-sub messaging system

Stars: 15.3k
Forks: 3.8k
Open beginner issues: 0
Indexed issues: 1.3k
Avg merge: 1d 22h
Merged PRs (30d): 142

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

Open All

1254 open issues indexed

Setting topic permission under load Open

area/broker lifecycle/stale type/bug

apache/pulsar#2952 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Auto scaling up and down number of partitions Open

lifecycle/stale type/feature

apache/pulsar#3217 · 10 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
BookKeeper rack-aware placement policies Open

area/admin type/bug

apache/pulsar#3716 · 14 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
A host can't connect and won't try other hosts again in multi-hosts service url configuration Open

area/client lifecycle/stale type/bug

apache/pulsar#4510 · 8 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Snapshot recovery with offloaded data Open

area/tieredstorage lifecycle/stale type/feature

apache/pulsar#4942 · 3 comments · 7 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature request] Per key cleanup for the GDPR requirements Open

area/tieredstorage lifecycle/stale type/feature

apache/pulsar#5059 · 16 comments · 14 reactions · 0 assignees · Indexed Sep 14, 2026
Incorrect msgBacklog value Open

area/broker lifecycle/stale type/bug

apache/pulsar#5202 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Persistent topic is always temporarily unavailable Open

lifecycle/stale type/bug

apache/pulsar#5284 · 14 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
deleteSubscription fails and leaves a dangling thread in jetty threadpool Open

lifecycle/stale type/bug

apache/pulsar#5383 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Create producer issues using function worker as separate node Open

lifecycle/stale type/bug

apache/pulsar#5519 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Proxy Websocket authentication using websocket in browser Open

area/security lifecycle/stale type/feature

apache/pulsar#5598 · 4 comments · 1 reaction · 1 assignee · Indexed Sep 14, 2026
Enable or disable topic auto creation for non-persistent topic. Open

lifecycle/stale type/feature

apache/pulsar#5631 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
publish time non-monotonic on same partition Open

lifecycle/stale type/bug

apache/pulsar#6276 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Number of "pulsar-timer-*" threads increases sporadically over time Open

lifecycle/stale type/bug

apache/pulsar#6366 · 5 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
same pulsar-admin should seamlessly work with both brokers and function workers in a distributed environment Open

area/function good first issue help wanted type/feature

apache/pulsar#6425 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Bookie Journal Queue Length is increasing gradually during performance test executions Open

lifecycle/stale type/bug

apache/pulsar#6479 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support specify dispatch policy for the non-key message in Key_Shared subscription mode Open

area/broker lifecycle/stale type/feature

apache/pulsar#6553 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Send Key hash range change events to consumers in Key_Shared subscription. Open

good first issue help wanted type/feature

apache/pulsar#6555 · 5 comments · 5 reactions · 1 assignee · Indexed Sep 14, 2026
Can not use Context#Counter in function Open

lifecycle/stale type/bug

apache/pulsar#6589 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
The bookkeeper ledger no honoring the retention period and causing for the more disk usage. Open

lifecycle/stale type/bug

apache/pulsar#6639 · 6 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Go function panic due to non-canonical topic Open

lifecycle/stale type/bug

apache/pulsar#6790 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
"Retain Orderning cannot be altered" exception on Pulsar Sink update Open

lifecycle/stale type/bug

apache/pulsar#6797 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
errors met when Using sparkstreaming with token to consume Open

lifecycle/stale type/bug

apache/pulsar#6807 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Subscription to topics with regex not working for non-persisten topics Open

lifecycle/stale type/bug

apache/pulsar#6845 · 7 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Reader skips over large block of messages after calling `seek` Open

help wanted lifecycle/stale type/bug

apache/pulsar#6847 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Tumbling and Sliding Windows are not implemented in Python pulsar function Open

area/function lifecycle/stale type/feature

apache/pulsar#6899 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
The retention is not working due to non closing ledger Open

area/broker help wanted lifecycle/stale type/bug

apache/pulsar#6935 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Decouple original topic and compacted topic retention policies Open

lifecycle/stale type/feature

apache/pulsar#6995 · 5 comments · 7 reactions · 0 assignees · Indexed Sep 14, 2026
PIP 37-Follow up: Chunk message with batching enabled Open

help wanted type/feature

apache/pulsar#7138 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 14, 2026
Provide option to specify the hashing scheme for output topic producers in Pulsar functions Open

lifecycle/stale type/feature

apache/pulsar#7375 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Support for tombstones (null value in messages) does not work Open

help wanted lifecycle/stale type/bug

apache/pulsar#7407 · 11 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Schema properties are not updated if schema definition does not change Open

area/schema help wanted type/bug

apache/pulsar#7564 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Failed to build bookie server in kubernetes environment Open

lifecycle/stale type/bug

apache/pulsar#7653 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
DB2 Connector for Pulsar Open

help wanted lifecycle/stale type/enhancement

apache/pulsar#7837 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Pulsar Authentication should support rotation of Validation keys e.g. Public keys used in JWT validation Open

area/security type/enhancement

apache/pulsar#8152 · 11 comments · 8 reactions · 1 assignee · Indexed Sep 14, 2026
[pulsar-function-go]add secrets provider for golang function Open

good first issue help wanted type/enhancement

apache/pulsar#8425 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Unable to create pulsar function with --window-length-duration-ms or --window-length-count Open

area/function type/bug

apache/pulsar#8469 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Java client: cannot configure 'authParams' with PulsarClient.builder().loadConf Open

type/bug

apache/pulsar#8509 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
PIP-31: Transactional Streaming V2 Open

area/transaction type/feature

apache/pulsar#8633 · 0 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
RedeliveryCount is 0 on redelivery Open

area/broker type/bug

apache/pulsar#18239 · 9 comments · 9 reactions · 0 assignees · Indexed Sep 14, 2026
Improve handling of S3 offloading configuration in other regions Open

type/enhancement

apache/pulsar#9084 · 10 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Creating Pulsar Window Function with max message retries Open

area/function help wanted type/bug

apache/pulsar#9137 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Pulsar Sink Connector Consume Rate Open

help wanted type/enhancement

apache/pulsar#9267 · 5 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Pulsar Functions Leak Database Credentials to Logs Open

help wanted type/enhancement

apache/pulsar#9462 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Go Functions] NewOutputMessage does not cache producers Open

lifecycle/stale type/enhancement

apache/pulsar#9511 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Go Functions] NewOutputMessage API should probably be changed to Publish() Open

type/enhancement

apache/pulsar#9512 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Avro schema incompatible with schema upload vs python producer Open

lifecycle/stale type/bug

apache/pulsar#9571 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Consumers should not have access to private keys Open

lifecycle/stale type/bug

apache/pulsar#9589 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Pulsar SQL] Query key-value schema data error Open

lifecycle/stale type/bug

apache/pulsar#9704 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Avro "fixed" field causes ClassCastException Open

lifecycle/stale type/bug

apache/pulsar#9718 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

apache/pulsar

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