[KAFKA-9292] KIP-551: Expose disk read and write metrics

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.6.0
• Assignee: Colin McCabe
• Reporter: Colin McCabe
• Created: 11/Dec/19 17:34
• Updated: 16/May/21 14:28
• Resolved: 18/May/20 21:21

Description

It's often helpful to know how many bytes Kafka is reading and writing from the disk.  The reason is because when disk access is required, there may be some impact on latency and bandwidth. We currently don't have a metric that measures this directly.  It would be useful to add one.

See https://cwiki.apache.org/confluence/display/KAFKA/KIP-551%3A+Expose+disk+read+and+write+metrics

Issue Links

• links to: https://github.com/apache/kafka/pull/8569
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