[2026-01-01 02:04:21,318] INFO [Broker id=1] Handling LeaderAndIsr request correlationId 7 from controller 3 for 30 partitions (state.change.logger) [2026-01-01 02:04:21,324] INFO [Broker id=1] Stopped fetchers as part of LeaderAndIsr request correlationId 7 from controller 3 epoch 1 as part of the become-leader transition for 10 partitions (state.change.logger) [2026-01-01 02:04:21,341] INFO [Broker id=1] Leader HEALTH_CHECK_TOPIC-13 with topic id Some(X3OY1-TlTGWVSdZ8t5RClA) starts at leader epoch 0 from offset 0 with partition epoch 0, high watermark 0, ISR [1,3,2], adding replicas [] and removing replicas [] . Previous leader None and previous leader epoch was -1. (state.change.logger) [2026-01-01 02:04:21,372] INFO [Broker id=1] Leader HEALTH_CHECK_TOPIC-28 with topic id Some(X3OY1-TlTGWVSdZ8t5RClA) starts at leader epoch 0 from offset 0 with partition epoch 0, high watermark 0, ISR [1,2,3], adding replicas [] and removing replicas [] . Previous leader None and previous leader epoch was -1. (state.change.logger) [2026-01-01 02:04:21,390] INFO [Broker id=1] Leader HEALTH_CHECK_TOPIC-1 with topic id Some(X3OY1-TlTGWVSdZ8t5RClA) starts at leader epoch 0 from offset 0 with partition epoch 0, high watermark 0, ISR [1,3,2], adding replicas [] and removing replicas [] . Previous leader None and previous leader epoch was -1. (state.change.logger) [2026-01-01 02:04:21,407] INFO [Broker id=1] Leader HEALTH_CHECK_TOPIC-16 with topic id Some(X3OY1-TlTGWVSdZ8t5RClA) starts at leader epoch 0 from offset 0 with partition epoch 0, high watermark 0, ISR [1,2,3], adding replicas [] and removing replicas [] . Previous leader None and previous leader epoch was -1. (state.change.logger) [2026-01-01 02:04:21,427] INFO [Broker id=1] Leader HEALTH_CHECK_TOPIC-19 with topic id Some(X3OY1-TlTGWVSdZ8t5RClA) starts at leader epoch 0 from offset 0 with partition epoch 0, high watermark 0, ISR [1,3,2], adding replicas [] and removing replicas [] . Previous leader None and previous leader epoch was -1. (state.change.logger) [2026-01-01 02:04:21,442] INFO [Broker id=1] Leader HEALTH_CHECK_TOPIC-4 with topic id Some(X3OY1-TlTGWVSdZ8t5RClA) starts at leader epoch 0 from offset 0 with partition epoch 0, high watermark 0, ISR [1,2,3], adding replicas [] and removing replicas [] . Previous leader None and previous leader epoch was -1. (state.change.logger) [2026-01-01 02:04:21,466] INFO [Broker id=1] Leader HEALTH_CHECK_TOPIC-7 with topic id Some(X3OY1-TlTGWVSdZ8t5RClA) starts at leader epoch 0 from offset 0 with partition epoch 0, high watermark 0, ISR [1,3,2], adding replicas [] and removing replicas [] . Previous leader None and previous leader epoch was -1. (state.change.logger) [2026-01-01 02:04:21,494] INFO [Broker id=1] Leader HEALTH_CHECK_TOPIC-22 with topic id Some(X3OY1-TlTGWVSdZ8t5RClA) starts at leader epoch 0 from offset 0 with partition epoch 0, high watermark 0, ISR [1,2,3], adding replicas [] and removing replicas [] . Previous leader None and previous leader epoch was -1. (state.change.logger) [2026-01-01 02:04:21,523] INFO [Broker id=1] Leader HEALTH_CHECK_TOPIC-25 with topic id Some(X3OY1-TlTGWVSdZ8t5RClA) starts at leader epoch 0 from offset 0 with partition epoch 0, high watermark 0, ISR [1,3,2], adding replicas [] and removing replicas [] . Previous leader None and previous leader epoch was -1. (state.change.logger) [2026-01-01 02:04:21,538] INFO [Broker id=1] Leader HEALTH_CHECK_TOPIC-10 with topic id Some(X3OY1-TlTGWVSdZ8t5RClA) starts at leader epoch 0 from offset 0 with partition epoch 0, high watermark 0, ISR [1,2,3], adding replicas [] and removing replicas [] . Previous leader None and previous leader epoch was -1. (state.change.logger) [2026-01-01 02:04:21,575] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-29 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 2. Previous leader Some(2) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,596] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-12 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 3. Previous leader Some(3) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,610] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-14 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 2. Previous leader Some(2) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,629] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-3 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 3. Previous leader Some(3) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,641] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-18 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 3. Previous leader Some(3) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,653] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-5 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 2. Previous leader Some(2) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,662] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-20 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 2. Previous leader Some(2) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,672] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-9 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 3. Previous leader Some(3) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,682] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-24 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 3. Previous leader Some(3) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,708] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-11 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 2. Previous leader Some(2) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,717] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-26 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 2. Previous leader Some(2) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,725] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-15 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 3. Previous leader Some(3) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,742] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-17 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 2. Previous leader Some(2) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,751] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-0 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 3. Previous leader Some(3) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,771] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-2 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 2. Previous leader Some(2) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,780] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-21 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 3. Previous leader Some(3) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,787] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-23 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 2. Previous leader Some(2) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,795] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-6 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 3. Previous leader Some(3) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,822] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-8 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 2. Previous leader Some(2) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,839] INFO [Broker id=1] Follower HEALTH_CHECK_TOPIC-27 starts at leader epoch 0 from offset 0 with partition epoch 0 and high watermark 0. Current leader is 3. Previous leader Some(3) and previous leader epoch was 0. (state.change.logger) [2026-01-01 02:04:21,839] INFO [Broker id=1] Stopped fetchers as part of become-follower request from controller 3 epoch 1 with correlation id 7 for 20 partitions (state.change.logger) [2026-01-01 02:04:21,865] INFO [Broker id=1] Finished LeaderAndIsr request in 547ms correlationId 7 from controller 3 for 30 partitions (state.change.logger) [2026-01-01 02:04:21,874] INFO [Broker id=1] Add 30 partitions and deleted 0 partitions from metadata cache in response to UpdateMetadata request sent by controller 3 epoch 1 with correlation id 8 (state.change.logger)