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

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1253 open issues indexed

[Bug] Prevent topic names with quotes and other special characters Open

Stale type/bug

apache/pulsar#20231 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Determine Correct Expansion of AuthenticationProvider interface for WebSocket Proxy Open

area/authn Stale

apache/pulsar#20237 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
TLS mutual Authentication with keystore configuration on Linux OS fails to establish a successful connection Open

Stale type/bug

apache/pulsar#20249 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Topic "peek" (admin/v2/persistent/{tenant}/{namespace}/{topic}/ledger/{ledgerId}/entry/{entryId}) management API returns undocumented and inconsistent data when batch messages are accessed Open

Stale type/bug

apache/pulsar#20258 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PIP-268: Add support of topic stats/stats-internal using client api Open

Stale type/PIP

apache/pulsar#20265 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Producer with JSON schema type with RecordSchemaBuilder doesn't throw an error if any extra parameter is passed in the message payload. Open

Stale type/bug

apache/pulsar#20274 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Pulsar Java client's RecordSchemaBuilder doesn't provide any APIs to add nested records or Arrays for Avro and JSON type Open

Stale type/bug

apache/pulsar#20275 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Flaky-test: PulsarDebeziumSourcesTest.testDebeziumPostgreSqlSource Open

area/test Stale type/flaky-tests

apache/pulsar#20281 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Flaky-test: MultiTopicsReaderTest.testMultiTopic Open

area/test Stale type/flaky-tests

apache/pulsar#20298 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
bookkeeper storage ledgers did not auto delete [Bug] Open

Stale type/bug

apache/pulsar#20320 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
E2E encryption implementation using Bouncycastle FIPS provider and only the FIPS-library provided tools Open

Stale type/enhancement

apache/pulsar#20373 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Flaky-test: AdminApi2Test.resetClusters Open

area/test Stale type/flaky-tests

apache/pulsar#20376 · 22 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Transactions timeout when messages exceed a certain size. Open

Stale type/bug

apache/pulsar#20391 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Broker stuck to create subscription and client fails to create consumer Open

Stale type/bug

apache/pulsar#20393 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] AutoClusterFailover method probeAvailable() always return true if the brokers are behind loadbalancer Open

Stale type/bug

apache/pulsar#20399 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[improve][broker] Supplement schema ledger if schema ledger is lost Open

Stale type/enhancement

apache/pulsar#20414 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
PIP-272: Add stateStorageConfig to WorkerConfig Open

Stale type/PIP

apache/pulsar#20419 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Enable geo replication for topics via pulsar admin Open

Stale type/enhancement

apache/pulsar#20430 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Promethus metric duplication in case of using functionsWorker Open

Stale type/bug

apache/pulsar#20448 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Flaky-test: SimpleProducerConsumerTest.testMultiTopicsConsumerImplPauseForManualSubscription Open

area/test Stale type/flaky-tests

apache/pulsar#20466 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[enhancement][bug] Go functions should take yaml file instance Configuration by default Open

Stale type/enhancement

apache/pulsar#20483 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] TC recovery takes too much time Open

Stale type/bug

apache/pulsar#20489 · 2 comments · 0 reactions · 2 assignees · Indexed Sep 14, 2026
[Bug] [client] client with multi-serviceUrl can not connect to server permanently when only one broker shutdown Open

Stale type/bug

apache/pulsar#20508 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[fn][Go] Go functions should support retry/dlq Open

Stale type/enhancement

apache/pulsar#20515 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Disabling entry filters isn't possible when allowOverrideEntryFilters=true and entryFilterNames is specified in broker.conf Open

Stale type/bug

apache/pulsar#20520 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Bug] Cannot build docker image for `branch-2.9` Open

Stale type/bug

apache/pulsar#20538 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Doc] Functions getting started no longer works Open

doc-required Stale

apache/pulsar#20548 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[doc][feat] add docs for broker load balancer Open

doc-required Stale

apache/pulsar#20570 · 2 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Bug] Batch deleted Index lost when cursor recover from metadataStore Open

Stale type/bug

apache/pulsar#20585 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Debezium connetor does not create heartbeat topic Open

Stale type/bug

apache/pulsar#20594 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[Bug] Get exception message even though functionsWorkerEnabled is set correctly when starting the function Open

Stale type/bug

apache/pulsar#20600 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Flaky-test: ExtensibleLoadManagerTest.testIsolationPolicy Open

area/test Stale type/flaky-tests

apache/pulsar#20608 · 10 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Flaky-test: ExtensibleLoadManagerTest.testAntiaffinityPolicy Open

area/test Stale type/flaky-tests

apache/pulsar#20610 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Flaky-test: ExtensibleLoadManagerTest.testAntiaffinityPolicy is disabled because it blocked CI, it should be fixed Open

area/test Stale type/flaky-tests

apache/pulsar#20618 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Provide consistent concept around `partitioned topic` and `topic partition`/`internal topic` Open

Stale type/enhancement

apache/pulsar#20622 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] failover topics behaving like shared topics when running apachepulsar/pulsar:3.0.0 standalone (only tested via python client) Open

Stale type/bug

apache/pulsar#20637 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Bug] version 2.8.0.7 Restarting broker consumes historical data Open

Stale type/bug

apache/pulsar#20638 · 7 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[Bug] Topics appended unlimitedly when subscribing with topics pattern Open

Stale type/bug

apache/pulsar#20667 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Flaky-test: TransactionBufferCloseTest.deleteTopicCloseTransactionBufferTest Open

area/test Stale type/flaky-tests

apache/pulsar#20673 · 11 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] plugins of Pulsar clients for skywalking Open

Stale type/bug

apache/pulsar#20692 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Seek for Websocket Consumer API Open

Stale type/enhancement

apache/pulsar#20703 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Reconnecting infinitely after Pulsar broker is down Open

Stale type/enhancement

apache/pulsar#20723 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Bug] Fileds of OffloadPoliciesImpl managedLedgerOffloadMaxThreads & managedLedgerOffloadPrefetchRounds not matched with config file Open

Stale type/bug

apache/pulsar#20734 · 6 comments · 0 reactions · 2 assignees · Indexed Sep 14, 2026
[Bug] apachepulsar/pulsar-build docker image is not maintained build/docker directory is obsolete Open

Stale type/bug

apache/pulsar#20744 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[improve][doc] clarify detailed behaviors for failover (non-partitioned topics) Open

doc-required Stale

apache/pulsar#20752 · 1 comment · 0 reactions · 1 assignee · Indexed Sep 14, 2026
Unload Rate Limiting during Graceful Shutdown Open

Stale type/enhancement

apache/pulsar#20753 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
support namespace for index templating on elasticsearch sink connector Open

Stale type/enhancement

apache/pulsar#20771 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[improve][broker] Add metrics related interfaces for BrokerInterceptor Open

Stale type/enhancement

apache/pulsar#20772 · 4 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[Doc] Provide context around timing for producer failover and suggested settings for sendTimeout and failoverDelay Open

doc-required Stale

apache/pulsar#20793 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Doc] Add complete list of supported schemas and any transformations the connector completes before sending data to elastic Open

doc-required Stale

apache/pulsar#20794 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

apache/pulsar

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