[jira] [Resolved] (KAFKA-4096) Kafka Backup and Recovery

["Ismael Juma (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-4096?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ismael Juma resolved KAFKA-4096.
--------------------------------
    Resolution: Auto Closed

Thanks for the JIRA. This should work. If you are still seeing this with a more recent version, please reopen with more information (broker logs and configs would be the minimum required).

> Kafka Backup and Recovery
> -------------------------
>
>                 Key: KAFKA-4096
>                 URL: https://issues.apache.org/jira/browse/KAFKA-4096
>             Project: Kafka
>          Issue Type: Bug
>    Affects Versions: 0.8.2.0
>         Environment: RHEL 7.2, AWS EC2 compute instance
>            Reporter: Karthik Reddy
>            Assignee: Neha Narkhede
>            Priority: Critical
>
> Hi Team,
> We are trying to move the data on Kafka Cluster from one region to another region.Region here could be a separate Data center or a separate cluster within the same region.
> In the effort to do this, we have stopped the ZK/Kafka of the old Cluster, detached the EBS volumes where kafka stores all topics related data and then attached the EBS volumes to the new cluster.
> We observed that new ZK cluster came with all the data that previous ZK persisted meaning all the topic metadata and consumer offset information. However, on the Kafka side, we noticed that messages are not seen, all the index and log files are of empty size.
> The recovery point and recovery offset checkpoint indicate the correct base offset as present in the old cluster.
> Apart from the MirrorMaker strategy to move the data from all the topics, can you let us know is there any specific process to copy the file system snapshots from one region to other.
> We did restart of Kafka/ZK but that didn't help.
> Thanks,
> Karthik



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