GitHub user ppkarwasz added a comment to the discussion: Is using %uuid{RANDOM}
pattern in JsonTemplateLayout considered garbage-free?
> Alternatively, `insertId` could be omitted completely, so GCP would generate
> their own IDs.
This is probably the route I would choose. The only purpose of this value is to
deduplicate log events with the **same timestamp**. Short of creating a
`ContextDataProvider` with a counter, I don't see a reliable way to do that.
Log duplication shouldn't occur anyway, except misconfigurations like:
```xml
<Loggers>
<Root level="INFO">
<AppenderRef ref="GCP"/>
</Root>
<!-- Additivity is intentionally not disabled to create duplicates -->
<Logger name="org.apache.logging">
<AppenderRef ref="GCP"/>
</Logger>
</Loggers>
```
GitHub link:
https://github.com/apache/logging-log4j2/discussions/3585#discussioncomment-12699365
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