[ https://issues.apache.org/jira/browse/KAFKA-13827?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Sharad Garg updated KAFKA-13827: -------------------------------- Description: * Topics created in v2.8/v3.1 that have data are empty (data is deleted) in KRAFT mode. These topics are recreated in KRAFT mode and take some time to show up in listTopics (~90s) after the brokers are up. Below logs are seen in server.logs- {code:java} [2022-04-07 23:58:49,771] INFO [Controller 1] Created topic kafkaalpha.gargsha.test5 with topic ID APdVTk-9S-uf2q_bm9NpzQ.{nolookups} (org.apache.kafka.controller.ReplicationControlManager) [2022-04-07 23:58:49,771] INFO [Controller 1] Created partition kafkaalpha.gargsha.test5-0 with topic ID APdVTk-9S-uf2q_bm9NpzQ and PartitionRegistration(replicas=[2], isr=[2], removingReplicas=[], addingReplicas =[], leader=2, leaderEpoch=0, partitionEpoch=0).{nolookups} (org.apache.kafka.controller.ReplicationControlManager){code} * Topic configurations altered in v2.8/v3.1 are not persisted in KRAFT mode. * Topics with no data in v2.8 are deleted when migrated to KRAFT v3.1. was: * Topics created in v2.8/v3.1 that have data are empty (data is deleted) in KRAFT mode. These topics are recreated in KRAFT mode and take some time to show up in listTopics (~90s) after the brokers are up. * Topic configurations altered in v2.8/v3.1 are not persisted in KRAFT mode. > Data Loss on moving to KRAFT mode from v3.1 > ------------------------------------------- > > Key: KAFKA-13827 > URL: https://issues.apache.org/jira/browse/KAFKA-13827 > Project: Kafka > Issue Type: Bug > Reporter: Sharad Garg > Priority: Major > > * Topics created in v2.8/v3.1 that have data are empty (data is deleted) in > KRAFT mode. These topics are recreated in KRAFT mode and take some time to > show up in listTopics (~90s) after the brokers are up. Below logs are seen in > server.logs- > {code:java} > [2022-04-07 23:58:49,771] INFO [Controller 1] Created topic > kafkaalpha.gargsha.test5 with topic ID APdVTk-9S-uf2q_bm9NpzQ.{nolookups} > (org.apache.kafka.controller.ReplicationControlManager) > [2022-04-07 23:58:49,771] INFO [Controller 1] Created partition > kafkaalpha.gargsha.test5-0 with topic ID APdVTk-9S-uf2q_bm9NpzQ and > PartitionRegistration(replicas=[2], isr=[2], removingReplicas=[], > addingReplicas > =[], leader=2, leaderEpoch=0, partitionEpoch=0).{nolookups} > (org.apache.kafka.controller.ReplicationControlManager){code} > * Topic configurations altered in v2.8/v3.1 are not persisted in KRAFT mode. > * Topics with no data in v2.8 are deleted when migrated to KRAFT v3.1. -- This message was sent by Atlassian Jira (v8.20.1#820001)