Delay in first SPAN in some transactions

Kibana version: v8.10.2

Elasticsearch version: v8.10.2

APM Server version:v8.10.2

APM Agent language and version: PHP v1.10.0

Original install method (e.g. download page, yum, deb, from source, etc.) and version: Install from apk

Fresh install or upgraded from other version? Upgraded

Is there anything special in your setup? No

Description of the problem including expected versus actual behavior. Please include screenshots (if relevant):

We are using the APM agent for PHP with the Laravel 10 framework in our production environments. We have auto instrumentation enabled and we have noticed that sometimes there is a delay between the HTTP request and the first span of each transaction.

The following image shows the same HTTP request but in the second one the first SPAN is processed much later:

What could be the origin of this behavior and is there any way to minimize the latency?

Thanks in advance

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