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Posted to issues@lucene.apache.org by "David Smiley (Jira)" <ji...@apache.org> on 2020/03/20 04:39:00 UTC
[jira] [Commented] (SOLR-8274) Add per-request MDC logging based on
user-provided value.
[ https://issues.apache.org/jira/browse/SOLR-8274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17063082#comment-17063082 ]
David Smiley commented on SOLR-8274:
------------------------------------
OpenTracing which is in Solr 8.2 so perhaps this is enough [~gerlowskija]? On the other hand, OpenTracing is maybe a heavy-handed solution when sometimes we "just" want to propagate a request ID – sort of a ultra light version of what OpenTracing accomplishes. [~caomanhdat] can the existing support for OpenTracing do simple ID passing without a server?
> Add per-request MDC logging based on user-provided value.
> ---------------------------------------------------------
>
> Key: SOLR-8274
> URL: https://issues.apache.org/jira/browse/SOLR-8274
> Project: Solr
> Issue Type: Improvement
> Components: logging
> Reporter: Jason Gerlowski
> Priority: Minor
> Attachments: SOLR-8274.patch
>
>
> *Problem 1* Currently, there's no way (AFAIK) to find all log messages associated with a particular request.
> *Problem 2* There's also no easy way for multi-tenant Solr setups to find all log messages associated with a particular customer/tenant.
> Both of these problems would be more manageable if Solr could be configured to record an MDC tag based on a header, or some other user provided value.
> This would allow admins to group together logs about a single request. If the same header value is repeated multiple times this functionality could also be used to group together arbitrary requests, such as those that come from a particular user, etc.
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