Marcos Juarez created KAFKA-1464:
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Summary: Add a throttling option to the Kafka replication tool
Key: KAFKA-1464
URL: https://issues.apache.org/jira/browse/KAFKA-1464
Project: Kafka
Issue Type: New Feature
Components: replication
Affects Versions: 0.8.0
Reporter: Marcos Juarez
Assignee: Neha Narkhede
Priority: Minor
When performing replication on new nodes of a Kafka cluster, the replication
process will use all available resources to replicate as fast as possible.
This causes performance issues (mostly disk IO and sometimes network bandwidth)
when doing this in a production environment, in which you're trying to serve
downstream applications, at the same time you're performing maintenance on the
Kafka cluster.
An option to throttle the replication to a specific rate (in either MB/s or
activities/second) would help production systems to better handle maintenance
tasks while still serving downstream applications.
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