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 14h
Merged PRs (30d): 160

Dominant language: Java
License: Apache-2.0
Last GitHub push: Sep 16, 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

1253 open issues indexed

PIP-232: Introduce thread monitor to check if thread is blocked for long time. Open

Stale type/PIP

apache/pulsar#18985 · 3 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[Bug] DBStorageCleanup always logs Deleted Indexes for entries as 0 Open

Stale type/bug

apache/pulsar#18993 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Doc] [Admin REST API] Missing examples for registering sinks, sources, functions Open

doc-required Stale

apache/pulsar#19018 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Deserialized BatchMessageIdImpl cannot be used for acknowledgment Open

Stale type/bug

apache/pulsar#19030 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Flaky-test: ResourceGroupUsageAggregationTest.testProduceConsumeUsageOnRG Open

area/test Stale type/flaky-tests

apache/pulsar#19061 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PIP-234: Support using shared thread pool across multiple Pulsar client instance Open

Stale type/PIP

apache/pulsar#19074 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] MarkDeletePosition causes the corresponding ledger to not be deleted in borderline cases Open

Stale type/bug

apache/pulsar#19077 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] broker cannot be connected Open

Stale type/bug

apache/pulsar#19078 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Under-configured bookeeper ensemble prevents topics from being created for clients. Open

Stale type/bug

apache/pulsar#19080 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[WIP]PIP-?: Revised Partitioned topic Open

Stale type/PIP

apache/pulsar#19099 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
PIP-235: Add metric for subscription backlog size Open

Stale type/PIP

apache/pulsar#19112 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PIP-236: Record schema in the request and carry to the broker when subscribing with AUTO_CONSUME schema. Open

Stale type/PIP

apache/pulsar#19113 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
no org_apache_pulsar_shade_netty_tcnative_x86_64 in java.library.path Open

Stale type/bug

apache/pulsar#19122 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PIP-237: Make PulsarAdmin accessible in SinkContext and SourceContext Open

Stale type/PIP

apache/pulsar#19123 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PIP-238: Change the aggregatePublisherStatsByProducerName config default to true Open

Stale type/PIP

apache/pulsar#19125 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PIP-239: MAX RECONSUME TIMES per Message Open

Stale type/PIP

apache/pulsar#19136 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Bug] [client] transactional consumer do not work though corresponding TP has been recovered. Open

Stale type/bug

apache/pulsar#19148 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Doc] add guide for how to monitor Pulsar stats Open

doc-required Stale

apache/pulsar#19149 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Improve getManagedLedgerOffloader equality check for OffloadPoliciesImpl Open

area/tieredstorage Stale type/enhancement

apache/pulsar#19155 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug][txn] exclusive subscription would lead to high cpu usage when do tailing-read Open

Stale type/bug

apache/pulsar#19169 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Improve testing for authorization to prevent regressions in topic operations related to subscriptions Open

area/authz Stale type/enhancement

apache/pulsar#19183 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Bug] Didn't updata metadata when try to updata the num of partitions of a partitioned-topic Open

Stale type/bug

apache/pulsar#19207 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PIP-242: Topic name restrictions Open

category/reliability Stale type/PIP

apache/pulsar#19239 · 5 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Bug] partitioned-stats gives incorrect replication connection status Open

Stale type/bug

apache/pulsar#19248 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[broker] Allow to update Topic properties Open

Stale type/enhancement

apache/pulsar#19261 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
backlog quota is not reflecting on topic level Open

Stale type/bug

apache/pulsar#19267 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Error while producing messages Open

Stale type/bug

apache/pulsar#19269 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Flaky-test: AdminApiOffloadTest.testSetTopicOffloadPolicies Open

area/test Stale type/flaky-tests

apache/pulsar#19286 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Proxy does not forward credentials correctly for multi-staged authentication Open

area/proxy Stale type/bug

apache/pulsar#19291 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] JVM crash in unit tests: PhaseIdealLoop::build_loop_late_post_work Open

type/bug

apache/pulsar#19307 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] The data returned by the "/non-persistent/{tenant}/{namespace}" interface does not seem to be correct Open

Stale type/bug

apache/pulsar#19316 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Simplify authentication state management in Broker's ServerCnx class when networking with proxy Open

Stale type/enhancement

apache/pulsar#19332 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
bookkeeper is running out of direct memory Open

Stale type/bug

apache/pulsar#19334 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Doc] Compaction improvements Open

doc-required Stale

apache/pulsar#19335 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Proper compatibility check for PROTOBUF_NATIVE schema Open

Stale type/enhancement

apache/pulsar#19385 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Flaky-test: ProxyRefreshAuthTest.testAuthDataRefresh Open

area/test Stale type/flaky-tests

apache/pulsar#19400 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add a new admin API getAllLoadReport() Open

Stale type/enhancement

apache/pulsar#19403 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Make Java Client Authentication Asynchronous Open

area/client good first issue help wanted Stale type/enhancement

apache/pulsar#19429 · 13 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Flaky-test: MetadataStoreStatsTest.testMetadataStoreStats Open

area/test Stale type/flaky-tests

apache/pulsar#19456 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Publish messages with properties from a WindowFunction Open

Stale type/enhancement

apache/pulsar#19482 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Bug] Enabling the AuthenticationTls using Keystore crasing with IllegalArgumentException Open

Stale type/bug

apache/pulsar#19488 · 5 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Flaky-test: SimpleProducerConsumerTest.stateCheck Open

area/test help wanted Stale type/flaky-tests

apache/pulsar#19489 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] topicsPattern cannot subscribe to non-persistent topics Open

Stale type/bug

apache/pulsar#19493 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Doc] Clarification of documentation regarding multi-tenancy Open

doc-required Stale

apache/pulsar#19504 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[improve][CLI] show environment variables in CLI and optimize them to `--config-file` argument Open

Stale type/enhancement

apache/pulsar#19526 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Swagger definitions for creating sinks/sources are incorrect Open

Stale type/bug

apache/pulsar#19542 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[feat][workflow] add instructions on "How to Contribute Connector" Open

doc-required Stale type/enhancement

apache/pulsar#19547 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[enhancement]Avoid consuming duplicated messages in geo-replication with ReplicateSubscriptionState enabled Open

Stale type/enhancement

apache/pulsar#19551 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Add pulsar_tenant and pulsar_namespace labels to prometheus metrics Open

Stale type/enhancement

apache/pulsar#19554 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
PIP-246: Improved PROTOBUF_NATIVE schema compatibility checks without using avro-protobuf Open

Stale type/PIP

apache/pulsar#19565 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026

apache/pulsar

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