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https://issues.apache.org/jira/browse/FLUME-2972?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Grant Henke updated FLUME-2972:
-------------------------------
Attachment: FLUME-2972-1.patch
> Handle offset migration in the new Kafka Channel
> ------------------------------------------------
>
> Key: FLUME-2972
> URL: https://issues.apache.org/jira/browse/FLUME-2972
> Project: Flume
> Issue Type: Bug
> Components: Channel
> Affects Versions: v1.7.0
> Reporter: Grant Henke
> Assignee: Grant Henke
> Fix For: v1.7.0
>
> Attachments: FLUME-2972-1.patch, FLUME-2972.patch
>
>
> Offsets tracking the position in Kafka consumers change from using zookeeper
> for offset storage to Kafka when moving from 0.8.x to 0.9.x.
> FLUME-2823 makes the client change in the Kafka Channel but does not ensure
> existing offsets get migrated in order to continue consuming where it left
> off.
> Flume should have some automated logic on startup to check if Kafka offsets
> exist, if not and migration is enabled (by default) then copy the offsets
> from Zookeeper and commit them to Kafka.
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