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https://issues.apache.org/jira/browse/KAFKA-1023?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13749519#comment-13749519
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Neha Narkhede commented on KAFKA-1023:
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LogManager is an internal component of a Kafka server that manages a server's
log storage. It may not be a good idea to make it pluggable. For the purposes
of log backup into HDFS, it makes sense to use something like -
https://github.com/linkedin/camus.
> Allow Injectable LogManager
> ---------------------------
>
> Key: KAFKA-1023
> URL: https://issues.apache.org/jira/browse/KAFKA-1023
> Project: Kafka
> Issue Type: Improvement
> Components: core
> Reporter: Micah Whitacre
>
> Currently the LogManager is responsible for deleting and cleaning up messages
> based on time or size. It'd be nice to be able enhance the LogManager to not
> only perform the cleanup but maybe also backup the messages eligible for
> deletion to a custom location (hdfs). This would allow a backup plan in the
> case of a consumer not able to keep up with the messages and data being lost
> due to log rolling.
> Currently LogManager is sealed so no one can extend it but additionally we'd
> need a way to inject the custom LogManager into the KafkaServer.
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