AZ-204 Certification Practice Question #258

Question

You need to resolve the log capacity issue.
What should you do?

Accepted Answer

The problem states that "developers report that the number of log messages in the trace output for the processor is too high, resulting in lost log messages" due to excessive TraceWriter logging. Crucially, the business requirement mandates that "**Application Insights must always contain all log messages**." This requirement immediately rules out **Sampling** (Option C) and **Telemetry Filters** (Option A), as both techniques selectively drop logs to conserve volume. Therefore, the only viable solution is to raise the minimum log level (e.g., from `Trace`/`Debug` to `Information`/`Warning`) inside the `host.json` configuration file, which natively prevents highly verbose diagnostic traces from being emitted by the runtime in the first place without discarding required application logs.

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