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• Kafka performance degradation between 3.9.2 and 4.0.0 T
  • RE: Kafka performance degradation between 3.9.2 and 4.0.0 Sanghyeok An
• [jira] [Created] (KAFKA-20340) SharePartition should keep only one config reference majialong (Jira)
• [jira] [Created] (KAFKA-20339) Make offload config private for 4.3 David Jacot (Jira)
• [jira] [Resolved] (KAFKA-20251) Add group-level assignment batching and offload configs David Jacot (Jira)
• [PR] Tiny typo - missing plural 's'. [kafka-site] via GitHub
• [jira] [Created] (KAFKA-20338) Add benchmarking support to RaftClientTestContext Kevin Wu (Jira)
• [jira] [Resolved] (KAFKA-19713) Auto migrate .position offsets Nicholas Telford (Jira)
• [jira] [Resolved] (KAFKA-20257) Implement new behaviour in GlobalStateManagerImpl Nicholas Telford (Jira)
• [jira] [Resolved] (KAFKA-19712) Implement new behaviour in ProcessorStateManager Nicholas Telford (Jira)
• [jira] [Resolved] (KAFKA-19710) Add downgrade support Nicholas Telford (Jira)
• [jira] [Created] (KAFKA-20337) Refactor GroupConfig to be less confusing Sean Quah (Jira)
• [jira] [Created] (KAFKA-20336) Update docs Matthias J. Sax (Jira)
• [jira] [Created] (KAFKA-20335) Update docs Matthias J. Sax (Jira)
• [DISCUSS] KIP-1297: Role-Aware Metric Tags for NodeToControllerChannelManagerImpl nileshkumar3
• [jira] [Created] (KAFKA-20334) Consider to update KStream-KStream join to use plain-value-header-window stores Matthias J. Sax (Jira)
• [jira] [Resolved] (KAFKA-20117) Improve ClusterControlManager error message Chia-Ping Tsai (Jira)
• [jira] [Created] (KAFKA-20333) Flaky runCloseClassicConsumerMultiConsumerSessionTimeoutTest Lianet Magrans (Jira)
• [jira] [Resolved] (KAFKA-20164) Add Kraft layer support for snapshots with metadata records via new handleLoadBootstrap Jira
• [jira] [Created] (KAFKA-20332) Ensure app thread not collecting records for partitions being revoked Lianet Magrans (Jira)
• PR build stability Matthias J. Sax
• [jira] [Created] (KAFKA-20331) Update upgrade.md to mention new assignment offload configs Sean Quah (Jira)
• [jira] [Resolved] (KAFKA-20322) TransactionMarkerChannelManager has discoverBrokerVersions=false causing UnsupportedVersionException during rolling upgrades David Jacot (Jira)
• [jira] [Created] (KAFKA-20330) Share partition leader restart without leadership change gives wrong exception Andrew Schofield (Jira)
• [jira] [Created] (KAFKA-20329) Test `headers` format further Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-19856) Stabilize ClientUtilsTest.testParseAndValidateAddressesWithReverseLookup Chih-Yuan Chien (Jira)
• [jira] [Resolved] (KAFKA-19756) Write down the steps for upgrading Gradle Chih-Yuan Chien (Jira)
• [DISCUSS] KIP-1294: Metadata-Version-Aware Configuration Constraints TaiJu Wu
• [ANNOUNCE] Apache Kafka 4.1.2 Andrew Schofield
  • Re: [ANNOUNCE] Apache Kafka 4.1.2 Mickael Maison
• [jira] [Created] (KAFKA-20328) Audit and extend test coverage for all headers-aware APIs Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-20299) Cleanup `use_share_groups` in system tests Chia-Ping Tsai (Jira)
• [jira] [Resolved] (KAFKA-20327) Add SessionStore overrides to Abstract decorators Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-20202) Verify existing IQv2 methods for MeteredTimestampedWindowStoreWithHeaders Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-20185) Verify existing IQv2 methods for MeteredTimestampedKeyValueStoreWithHeaders Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-20221) Enable TimestampedWindowStoreWithHeaders in DSL Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-20220) Enable TimestampedKVStoreWithHeaders in DSL Alieh Saeedi (Jira)
• [jira] [Created] (KAFKA-20327) Add SessionStore overrides to Abstract decorators Bill Bejeck (Jira)
• [jira] [Resolved] (KAFKA-20277) Verify existing IQv2 methods for SessionStoreWithHeaders Bill Bejeck (Jira)
• [jira] [Created] (KAFKA-20326) WindowStoreMaterializerTests should pass Alieh Saeedi (Jira)
• [jira] [Created] (KAFKA-20325) apache/kafka image - cannot set SSL as protocol for CONTROLLER on dedicated controller Neil Buesing (Jira)
• Question about Kafka metrics Skander Soltane
• Request for Apache Kafka JIRA contributor access Der
  • Re: Request for Apache Kafka JIRA contributor access Mickael Maison
• [jira] [Resolved] (KAFKA-19149) Use KIP-877 in MirrorMaker Mickael Maison (Jira)
• [jira] [Resolved] (KAFKA-20256) DLQManager interace and default impl Sushant Mahajan (Jira)
• [jira] [Created] (KAFKA-20324) Update docs to reflect relaxed formatting requirements Kevin Wu (Jira)
• [jira] [Resolved] (KAFKA-20288) Remove orphaned groups from GroupConfigManager Chia-Ping Tsai (Jira)
• [PR] Bump hugo-extended from 0.155.3 to 0.158.0 [kafka-site] via GitHub
  • Re: [PR] Bump hugo-extended from 0.155.3 to 0.158.0 [kafka-site] via GitHub
  • Re: [PR] Bump hugo-extended from 0.155.3 to 0.158.0 [kafka-site] via GitHub
• [jira] [Created] (KAFKA-20323) Refactor "ShareCoordinatorServiceTest.testRecordPruningTaskPeriodicityWithSomeFailures()" test method in order to enable Mockito version upgrade Jira
• [jira] [Created] (KAFKA-20322) TransactionMarkerChannelManager has discoverBrokerVersions=false causing UnsupportedVersionException during rolling upgrades Ritika Reddy (Jira)
• [jira] [Created] (KAFKA-20321) Mark partitions lost to avoid potential race with buffered records Lianet Magrans (Jira)
• [jira] [Created] (KAFKA-20320) Build Kafka CLI tool to decode Protobuf messages using local proto definitions Sruthi Sathyamoorthy (Jira)
• Gradle Webinar recording David Arthur
  • Re: Gradle Webinar recording Chia-Ping Tsai
  • Re: Gradle Webinar recording jian fu
  • Re: Gradle Webinar recording Federico Valeri
• [jira] [Resolved] (KAFKA-20309) Too many SharePollEvents created Lianet Magrans (Jira)
• [jira] [Created] (KAFKA-20319) Discuss the silent overwrite behavior of duplicate keys in kafka-configs.sh Chia-Ping Tsai (Jira)
• [jira] [Resolved] (KAFKA-19714) Auto migrate .checkpoint offsets Bill Bejeck (Jira)
• [jira] [Resolved] (KAFKA-20212) Add offset management support to RocksDBStore Bill Bejeck (Jira)
• [jira] [Created] (KAFKA-20317) Enable time-ordered header window store in DSL TengYao Chi (Jira)
• [jira] [Created] (KAFKA-20318) Enable time-ordered header window store in DSL TengYao Chi (Jira)
• [jira] [Resolved] (KAFKA-20247) ControllerRegistrationManager does not retry registration after timing out Jira
• [jira] [Resolved] (KAFKA-19697) NPE Cannot invoke org.apache.kafka.connect.runtime.ConnectMetrics$MetricGroup.close() Chia-Ping Tsai (Jira)
• [jira] [Created] (KAFKA-20316) Rewrite AddPartitionsTest with ClusterInstance Chia-Ping Tsai (Jira)
• [DISCUSS] KIP-1296: Shadow Jetty dependencies to decouple from SLF4J version conflict Ming-Yen Chung
  • Re: [DISCUSS] KIP-1296: Shadow Jetty dependencies to decouple from SLF4J version conflict Chia-Ping Tsai
  • Re: [DISCUSS] KIP-1296: Shadow Jetty dependencies to decouple from SLF4J version conflict Ming-Yen Chung
  • Re: [DISCUSS] KIP-1296: Shadow Jetty dependencies to decouple from SLF4J version conflict Chia-Ping Tsai
• [jira] [Created] (KAFKA-20315) Add test for single in-flight poll event logic in async/share consumer Lianet Magrans (Jira)
• [jira] [Created] (KAFKA-20314) Segmentation fault when starting kafka-native Piotr Przybylski (Jira)
• [PR] Add 4.0.2 blog post [kafka-site] via GitHub
  • Re: [PR] Add 4.0.2 blog post [kafka-site] via GitHub
• [Inquiry] Interested in contributing to Apache Kafka - Looking for a good first issue 김여준
  • Re: [Inquiry] Interested in contributing to Apache Kafka - Looking for a good first issue Chia-Ping Tsai
• Request for review for my PR Owen Leung
• Request for Confluence edit access to create Kafka KIP nileshkumar3
  • Re: Request for Confluence edit access to create Kafka KIP Matthias J. Sax
  • Re: Request for Confluence edit access to create Kafka KIP nileshkumar3
  • Re: Request for Confluence edit access to create Kafka KIP nileshkumar3
  • Re: Request for Confluence edit access to create Kafka KIP Matthias J. Sax
• [jira] [Resolved] (KAFKA-20311) Cached metered key-value stores can deserialize old values with the wrong headers when sendOldValues=true Matthias J. Sax (Jira)
• [jira] [Resolved] (KAFKA-20301) Integration tests for upgrade and downgrade SessionStore with headers Matthias J. Sax (Jira)
• [jira] [Created] (KAFKA-20313) Cleanup "leaking" internal interface `WindowedSerializer` Matthias J. Sax (Jira)
• [jira] [Resolved] (KAFKA-20222) Enable SessionStoreWithHeaders in DSL Matthias J. Sax (Jira)
• [jira] [Created] (KAFKA-20312) KafkaConsumer poll may happens NullPointerException guwensheng (Jira)
• [jira] [Created] (KAFKA-20311) Cached metered key-value stores can deserialize old values with the wrong headers when sendOldValues=true sanghyeok An (Jira)
• [PR] KAFKA-20049: Publish Hugo base image under Apache namespace [kafka-site] via GitHub
  • Re: [PR] KAFKA-20049: Publish Hugo base image under Apache namespace [kafka-site] via GitHub
  • Re: [PR] KAFKA-20049: Publish Hugo base image under Apache namespace [kafka-site] via GitHub
  • Re: [PR] KAFKA-20049: Publish Hugo base image under Apache namespace [kafka-site] via GitHub
  • Re: [PR] KAFKA-20049: Publish Hugo base image under Apache namespace [kafka-site] via GitHub
• [jira] [Created] (KAFKA-20310) nextProducerId and prevProducerId fields never persisted to transaction log Artem Livshits (Jira)
• [PR] MINOR: add redirect [kafka-site] via GitHub
  • Re: [PR] MINOR: add redirect [kafka-site] via GitHub
• [VOTE] KIP-1283: Clarify KafkaStreams cleanUp semantics to preserve process metadata and state directory lock file Sanghyeok An
  • Re: [VOTE] KIP-1283: Clarify KafkaStreams cleanUp semantics to preserve process metadata and state directory lock file Uladzislau Blok
  • Re: [VOTE] KIP-1283: Clarify KafkaStreams cleanUp semantics to preserve process metadata and state directory lock file Sanghyeok An
• [jira] [Created] (KAFKA-20309) Too many SharePollEvents created Andrew Schofield (Jira)
• [jira] [Created] (KAFKA-20308) Update TopologyTestDriver to support for headers-aware stores Alieh Saeedi (Jira)
• [jira] [Created] (KAFKA-20307) Add Interactive Queries (IQv1) support for headers-aware stores Alieh Saeedi (Jira)
• [jira] [Created] (KAFKA-20306) StreamsGroupCommand does not display committed offsets for repartition topics Lucas Brutschy (Jira)
• [jira] [Created] (KAFKA-20305) clampDynamicConfigs flag for KafkaConfigs constructor Sean Quah (Jira)
• [DISCUSS} KIP-1292: New MirrorMaker2 Connector for syncing consumer group offsets Tina Selenge
• [Vote] KIP-1291: Extended I/O Metrics Collection Sahil Devgon
  • Re: [VOTE] KIP-1291: Extended I/O Metrics Collection Sahil Devgon
  • Re: [Vote] KIP-1291: Extended I/O Metrics Collection Chia-Ping Tsai
  • Re: [Vote] KIP-1291: Extended I/O Metrics Collection vaquar khan
• [jira] [Created] (KAFKA-20304) Implement all required ReadOnly*Facade classes Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-20079) Improve Connect configurable components discoverability Mickael Maison (Jira)
• [jira] [Created] (KAFKA-20303) optimize deserializers and HeadersBytesStore Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-20300) Add assignment batching and offload broker configs Sean Quah (Jira)
• [jira] [Reopened] (KAFKA-20258) Refactor DSL store config and propagate dslStoreFormat Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-20258) Refactor DSL store config and propagate dslStoreFormat Alieh Saeedi (Jira)
• [jira] [Resolved] (KAFKA-20261) Upgrade path for plain window store to headers store Matthias J. Sax (Jira)
• READ_WRITE_TOTAL_TIMEOUT_MS in kafka-connect's KafkaConfigBackingStore is low Henry Haiying Cai via dev
  • Re: READ_WRITE_TOTAL_TIMEOUT_MS in kafka-connect's KafkaConfigBackingStore is low Chris Egerton
  • Re: READ_WRITE_TOTAL_TIMEOUT_MS in kafka-connect's KafkaConfigBackingStore is low Henry Haiying Cai via dev
  • Re: READ_WRITE_TOTAL_TIMEOUT_MS in kafka-connect's KafkaConfigBackingStore is low Chris Egerton
  • Re: READ_WRITE_TOTAL_TIMEOUT_MS in kafka-connect's KafkaConfigBackingStore is low Henry Haiying Cai via dev
• [jira] [Created] (KAFKA-20302) Receive buffers allocated from MemoryPool may not be released if request is invalid Edoardo Comar (Jira)
• [jira] [Resolved] (KAFKA-17895) Expose KeyValueStore's approximateNumEntries as a metric Bill Bejeck (Jira)
• [jira] [Created] (KAFKA-20301) Integration tests for upgrade and downgrade SessionStore with headers Bill Bejeck (Jira)
• Missing Cwiki account provision Aditya Kousik
  • Re: Missing Cwiki account provision Aditya Kousik
  • Re: Missing Cwiki account provision Matthias J. Sax
  • Re: Missing Cwiki account provision Aditya Kousik
  • Re: Missing Cwiki account provision Matthias J. Sax
• [jira] [Resolved] (KAFKA-20296) Flaky testAsyncConsumerPerPartitionLeadMetricsCleanUpWithSubscribe Lianet Magrans (Jira)
• [jira] [Resolved] (KAFKA-19884) Add tests to ensure Consumer.close() timeouts work as documented TengYao Chi (Jira)
• [PR] kafka-20238 removed zk mbeans from kafka4+ [kafka-site] via GitHub
• [jira] [Created] (KAFKA-20300) Add assignment batching and offload broker configs Sean Quah (Jira)
• [jira] [Created] (KAFKA-20299) Cleanup `use_share_groups` in system tests Sanskar Jhajharia (Jira)
• Re: [VOTE] KIP-1141: Simplifying MetadataQuorumCommand by Leveraging Admin API for Controller Management Luke Chen
  • Re: [VOTE] KIP-1141: Simplifying MetadataQuorumCommand by Leveraging Admin API for Controller Management Chia-Ping Tsai
  • Re: [VOTE] KIP-1141: Simplifying MetadataQuorumCommand by Leveraging Admin API for Controller Management PoAn Yang
  • Re: [VOTE] KIP-1141: Simplifying MetadataQuorumCommand by Leveraging Admin API for Controller Management Chia-Ping Tsai
• [DISCUSS] KAFKA-20199: Metric tag for controller-only nodes in NodeToControllerChannelManagerImpl nileshkumar3
  • Re: [DISCUSS] KAFKA-20199: Metric tag for controller-only nodes in NodeToControllerChannelManagerImpl Chia-Ping Tsai
  • Re: [DISCUSS] KAFKA-20199: Metric tag for controller-only nodes in NodeToControllerChannelManagerImpl nileshkumar3
• [jira] [Created] (KAFKA-20298) Update integration tests to run with combinations of assignment batching and offload Sean Quah (Jira)
• [jira] [Resolved] (KAFKA-20269) Refactor GroupMetadataManager assignment updates Sean Quah (Jira)
• [jira] [Resolved] (KAFKA-20268) Start group epochs at 2 Sean Quah (Jira)
• [jira] [Created] (KAFKA-20297) cleanup org.apache.kafka.common.utils Chia-Ping Tsai (Jira)
• [jira] [Resolved] (KAFKA-20037) Additional group configurations for share groups Andrew Schofield (Jira)
• [jira] [Resolved] (KAFKA-20290) Add KIP-1240 information to upgrade documentation Andrew Schofield (Jira)
• [jira] [Resolved] (KAFKA-19709) Add LegacyCheckpointingStateStore Bill Bejeck (Jira)
• [jira] [Created] (KAFKA-20296) Flaky testAsyncConsumerPerPartitionLeadMetricsCleanUpWithSubscribe Lianet Magrans (Jira)
• [DISCUSS] KIP:1295: Dead letter queue support for global store/KTable Arpit Goyal
  • Re: [DISCUSS] KIP:1295: Dead letter queue support for global store/KTable Arpit Goyal
• [jira] [Resolved] (KAFKA-20090) TV2 can allow for ongoing transactions with max epoch that never complete Justine Olshan (Jira)
• [jira] [Created] (KAFKA-20295) Removed controllers still in metadata, blocking finalizing upgrade to 4.2.0 Roland Sommer (Jira)
• [jira] [Resolved] (KAFKA-20162) Validation and enforcement of group configurations Andrew Schofield (Jira)
• [Please approve GA workflow runs and/or provide a review] PR: "MINOR: version updates for build and test dependencies" Dejan Stojadinović
• [jira] [Resolved] (KAFKA-20281) Enhance docs and test coverage for `producer-props` and `command-property` Chia-Ping Tsai (Jira)
• [jira] [Created] (KAFKA-20294) Metadata-Version-Aware Configuration Constraints Chia-Ping Tsai (Jira)
• [jira] [Created] (KAFKA-20293) Add comprehensive Markdown documentation for CLI tools Chia-Ping Tsai (Jira)
• RE: Re: [DISCUSS] KIP-646: Serializer API should support ByteBuffer Florentin Simion
  • RE: Re: [DISCUSS] KIP-646: Serializer API should support ByteBuffer Florentin Simion
  • Re: [DISCUSS] KIP-646: Serializer API should support ByteBuffer Adrian Muraru
• [jira] [Resolved] (KAFKA-20271) Initialize assignment epoch to -1 when there is no assignment yet Sean Quah (Jira)
• [jira] [Resolved] (KAFKA-20160) Group configuration for share.partition.max.record.locks Andrew Schofield (Jira)
• [PR] Improve wording of KAFKA-20254 migration warning [kafka-site] via GitHub
  • Re: [PR] Improve wording of KAFKA-20254 migration warning [kafka-site] via GitHub
  • [PR] Improve wording of KAFKA-20254 migration warning [kafka-site] via GitHub
  • Re: [PR] Improve wording of KAFKA-20254 migration warning [kafka-site] via GitHub
  • [PR] Improve wording of KAFKA-20254 migration warning [kafka-site] via GitHub
  • Re: [PR] Improve wording of KAFKA-20254 migration warning [kafka-site] via GitHub
• [jira] [Resolved] (KAFKA-19740) Depreacte broker-level config group.coordinator.rebalance.protocols Chia-Ping Tsai (Jira)
• [jira] [Created] (KAFKA-20292) Implement assignor offload Sean Quah (Jira)
• [jira] [Created] (KAFKA-20291) Implement assignment batchng Sean Quah (Jira)
• [jira] [Created] (KAFKA-20290) Add KIP-1240 information to upgrade documentation Andrew Schofield (Jira)
• [jira] [Resolved] (KAFKA-19144) Move DelayedProduce to server module Chia-Ping Tsai (Jira)
• [jira] [Created] (KAFKA-20289) Broker configs with group config names masquerading as static broker config Andrew Schofield (Jira)
• [jira] [Created] (KAFKA-20287) Verify (and potentially fix) if all CF handles (and other objects) are closed correctly Matthias J. Sax (Jira)
• [jira] [Created] (KAFKA-20288) Remove orphaned groups from GroupConfigManager Chia-Ping Tsai (Jira)
• [jira] [Created] (KAFKA-20286) Refactor ControllerRegistrationManager Jonah Hooper (Jira)
• [jira] [Resolved] (KAFKA-20273) Trigger rebalance on downgrade to classic group when assignment is stale David Jacot (Jira)
• [jira] [Created] (KAFKA-20285) Mpve UncleanLeaderElectionTest to server module Mickael Maison (Jira)
• [jira] [Resolved] (KAFKA-20272) Rebalance classic members only on new assignment David Jacot (Jira)
• [jira] [Created] (KAFKA-20284) Migrate or eliminate core TestUtils Chia-Ping Tsai (Jira)
• [VOTE] KIP-1284 Introduce CloseOptions.DEFAULT for Kafka Streams 黃竣陽
  • Re: [VOTE] KIP-1284 Introduce CloseOptions.DEFAULT for Kafka Streams Lucas Brutschy via dev
  • Re: [VOTE] KIP-1284 Introduce CloseOptions.DEFAULT for Kafka Streams Sanghyeok An
• [jira] [Created] (KAFKA-20283) [CVE-2025-11143] [jetty-http] Krishna Chidrawar (Jira)
• [jira] [Created] (KAFKA-20282) Classic consumer log recommendation for next gen Consumer rebalance protocol Lianet Magrans (Jira)
• [jira] [Resolved] (KAFKA-20254) Streams group replay fails after log compaction removes classic group tombstone Lucas Brutschy (Jira)
• [PR] Add warning about KAFKA-20254 migration bug to 4.2 docs [kafka-site] via GitHub
  • Re: [PR] Add warning about KAFKA-20254 migration bug to 4.2 docs [kafka-site] via GitHub
• [PR] KAFKA-20265: Add canonical URL tags to Kafka Javadoc pages to point search engines to suggest latest stable version [kafka-site] via GitHub
• [VOTE] KIP-1242: Detection and handling of misrouted connections Andrew Schofield
  • RE: [VOTE] KIP-1242: Detection and handling of misrouted connections Gaurav Narula
  • Re: [VOTE] KIP-1242: Detection and handling of misrouted connections Rajini Sivaram
  • Re: [VOTE] KIP-1242: Detection and handling of misrouted connections Omnia Ibrahim
  • Re: [VOTE] KIP-1242: Detection and handling of misrouted connections Luke Chen
  • Re: [VOTE] KIP-1242: Detection and handling of misrouted connections Andrew Schofield
  • Re: [VOTE] KIP-1242: Detection and handling of misrouted connections David Arthur

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