PHP agent v8.4.0.231

New Features

• Support for Distributed tracing

  Distributed tracing lets you see the path that a request takes as it travels through your distributed system. By showing the distributed activity through a unified view, you can troubleshoot and understand a complex system better than ever before.

  Distributed tracing is available with an APM Pro or equivalent subscription. To see a complete distributed trace, you need to enable the feature on a set of neighboring services. Enabling distributed tracing changes the behavior of some New Relic features, so carefully consult the transition guide before you enable this feature.

  To enable distributed tracing, two parameters should be changed in the newrelic.ini file:

  newrelic.distributed_tracing_enabled = true

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  and

  newrelic.transaction_tracer.threshold = 0

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  Read more about about distributed tracing in the PHP Agent.

Bug Fixes

• A bug in the PHP agent resulted in databaseCallCount attributes no longer being attached to Transaction events. The 8.4 release restores these attributes.
• Predis 2 cluster connections could not be instrumented due to internal changes in Predis. The 8.4 release fixes this.