[jira] [Commented] (KAFKA-5284) Add tools and metrics to diagnose problems with the idempotent producer and transactions

["Ismael Juma (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-5284?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16034258#comment-16034258 ] 

Ismael Juma commented on KAFKA-5284:
------------------------------------

I'm moving this to 0.11.0.1 given the current timelines. If we somehow have time to do it before the release, we can consider whether to include it.

> Add tools and metrics to diagnose problems with the idempotent producer and transactions
> ----------------------------------------------------------------------------------------
>
>                 Key: KAFKA-5284
>                 URL: https://issues.apache.org/jira/browse/KAFKA-5284
>             Project: Kafka
>          Issue Type: Sub-task
>          Components: clients, core, producer 
>            Reporter: Apurva Mehta
>              Labels: exactly-once
>             Fix For: 0.11.0.1
>
>
> The KIP mentions a number of metrics which we should add, but haven't yet done so. IT would also be good to have tools to help diagnose degenerate situations like:
> # If a consumer is stuck, we should be able to find the LSO of the partition it is blocked on, and which producer is holding up the advancement of the LSO.
> # We should be able to force abort any inflight transaction to free up consumers
> # etc.



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