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https://issues.apache.org/jira/browse/CASSJAVA-97?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Bret McGuire updated CASSJAVA-97:
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Status: Ready to Commit (was: Review In Progress)
> Let users inject an ID for each request and write to the custom payload
> ------------------------------------------------------------------------
>
> Key: CASSJAVA-97
> URL: https://issues.apache.org/jira/browse/CASSJAVA-97
> Project: Apache Cassandra Java driver
> Issue Type: Improvement
> Components: Core
> Reporter: Jane He
> Assignee: Jane He
> Priority: Normal
> Time Spent: 10h
> Remaining Estimate: 0h
>
> Currently `CqlRequestHandler` creates `logPrefix` to identify each request,
> but this logPrefix generation logic is fixed and built-in. We should expose
> an interface to let the users generate and inject whatever ID they want. We
> should also enable an option to write such ID to the custom payload, so that
> this ID can be propagated to the server side for better traceability. This
> feature will be specifically useful for Astra.
> I propose the following interface
> {code:java}
> public interface DistributedTraceIdGenerator {
> String getSessionRequestId(@NonNull Request statement);
> String getNodeRequestId(@NonNull Request statement, @NonNull String
> sessionRequestId);
> }
> {code}
> And the following options in application.conf
> {code:java}
> advanced.distributed-tracing{
> id-generator{
> # The component that generates unique identifiers for distributed tracing.
> class = NoopDistributedTraceIdGenerator
> }
> # add the trace-id to the custom payload with the given key
> # if empty, the trace-id will not be added to the custom payload
> custom-payload-with-key = ""
> } {code}
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