[jira] [Commented] (KAFKA-1440) Per-request tracing

["Sönke Liebau (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-1440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17057379#comment-17057379 ] 

Sönke Liebau commented on KAFKA-1440:
-------------------------------------

Looking through some old tickets and came across this. While certainly useful in principle, this seems like a fairly large piece of work by now. Can we close this, or is this something that someone feels strongly about and wants to look at?

> Per-request tracing
> -------------------
>
>                 Key: KAFKA-1440
>                 URL: https://issues.apache.org/jira/browse/KAFKA-1440
>             Project: Kafka
>          Issue Type: Improvement
>          Components: clients
>            Reporter: Todd Palino
>            Priority: Major
>
> Could we have a flag in requests (potentially in the header for all requests, but at least for produce and fetch) that would enable tracing for that request. Currently, if we want to debug an issue with a request, we need to turn on trace level logging for the entire broker. If the client could ask for the request to be traced, we could then log detailed information for just that request.
> Ideally, this would be available as a flag that can be enabled in the client via JMX, so it could be done without needing to restart the client application.



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