[jira] [Updated] (KAFKA-7236) Add --under-min-isr option to describe topics command

["Kevin Lu (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/KAFKA-7236?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kevin Lu updated KAFKA-7236:
----------------------------
    Fix Version/s: 2.2.0

> Add --under-min-isr option to describe topics command
> -----------------------------------------------------
>
>                 Key: KAFKA-7236
>                 URL: https://issues.apache.org/jira/browse/KAFKA-7236
>             Project: Kafka
>          Issue Type: Improvement
>          Components: tools
>            Reporter: Kevin Lu
>            Assignee: Kevin Lu
>            Priority: Minor
>             Fix For: 2.2.0
>
>
> The "min.insync.replicas" configuration specifies the minimum number of insync replicas required for a partition to accept messages from the producer. If the insync replica count of a partition falls under the specified "min.insync.replicas", then the broker will reject messages for producers using acks=all. These producers will suffer unavailability as they will see a NotEnoughReplicas or NotEnoughReplicasAfterAppend exception.
> We currently have an UnderMinIsrPartitionCount metric which is useful for identifying when partitions fall under "min.insync.replicas", however it is still difficult to identify which topic partitions are affected and need fixing.
> We can leverage the describe topics command in TopicCommand to add an option "--under-minisr-partitions" to list out exactly which topic partitions are below "min.insync.replicas".



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