Deadline Admission Control
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.. _deadline_admission_control_stats:

**admission_control/deadline/exceeded**
  A counter of the number of requests whose deadline has expired.

Deadline Admission Control
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.. _deadline_admission_control_stats:

**admission_control/deadline/exceeded**
  A counter of the number of requests whose deadline has expired.

Nack Admission Control
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.. _nack_admission_control:

These metrics reflect the behavior of the
:src:`NackAdmissionFilter <com/twitter/finagle/filter/NackAdmissionFilter.scala>`.

**dropped_requests**
  A counter of the number of requests probabilistically dropped.

**success_probability**
  A histogram of the filter's estimated probability of a request not being
  nacked. In this context, "success" means "not a nack."

Add Nack admission control metrics to Finagle's metrics docs
finagle-core: Add Nack admission control metrics to Finagle's metrics docs

Problem

The metrics exported by the Nack admission control filter are not documented.

Solution

Add them to Finagle's metrics docs.

Results

Service owners can more easily understand the Nack AC metrics.

RB_ID=864066
