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Retry

As explained in Logs and Telemetry

A retry is a repeated attempt to perform an operation after an earlier attempt fails or its destination is unavailable.

A retry repeats an operation after an earlier attempt fails or its destination is unavailable. It helps systems tolerate fallible networks and transient connection problems. section 5.2.1 section 8.9.2

Fluent Bit output retries follow a scheduler-controlled process:

  • Output plugins report OK, error, or a request to schedule a retry. section 5.2.1
  • scheduler.base sets the minimum delay before another attempt; scheduler.cap limits the maximum delay. section 5.2.1
  • The delay is randomized and expands exponentially, with an upper bound of min(scheduler.base * 2ⁿ, scheduler.cap). section 5.2.1

Configure HTTP-forward retries

Set scheduler.base to 2 seconds, scheduler.cap to 15 seconds, and retry_limit to 6. With the destination unavailable, the console reports repeated attempts and eventually fails.

Applications can also catch intermittent errors such as network timeouts. Suppress alerts below an error-rate threshold, but intervene when repeated failures indicate possible backpressure. section 8.9.2

How Logs and Telemetry covers it

How deep it goes
Explains result states, randomized exponential delays, scheduler bounds, and retry limits, stopping short of plugin implementation details.
Examples
Uses Fluent Bit HTTP-forward configuration and an unavailable destination that produces repeated attempts before failure.
What it assumes
Assumes familiarity with output destinations and error reporting while explaining retry scheduling from its operational purpose.
What you can do after
Operate/configure Fluent Bit retries with scheduler bounds and a finite retry limit, and distinguish manageable errors from intervention-worthy rates.
How it connects
Connects output plugins, schedulers, transient errors, alert thresholds, and backpressure.

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This explainer was generated by Manning's knowledge graph from the text of Logs and Telemetry. The section links point to the parts of the book it draws on.