UpdateCounter - Apache NiFi

General

Developer

Processors

Controller Services

Reporting Tasks

Parameter Providers

Flow Analysis Rules
- DisallowComponentType

UpdateCounter 2.1.0

Bundle: org.apache.nifi | nifi-standard-nar
Description: This processor allows users to set specific counters and key points in their flow. It is useful for debugging and basic counting functions.
Tags: counter, debug, instrumentation
Input Requirement: REQUIRED
Supports Sensitive Dynamic Properties: false

Properties

Counter Name
The name of the counter you want to set the value of - supports expression language like ${counterName}

Display Name

Counter Name

Description

The name of the counter you want to set the value of - supports expression language like ${counterName}

API Name

counter-name

Expression Language Scope

Environment variables and FlowFile Attributes

Sensitive

false

Required

true
Delta
Adjusts the counter by the specified delta for each flow file received. May be a positive or negative integer.

Display Name

Delta

Description

Adjusts the counter by the specified delta for each flow file received. May be a positive or negative integer.

API Name

delta

Default Value

1

Expression Language Scope

Environment variables and FlowFile Attributes

Sensitive

false

Required

true

Relationships

Name	Description
success	Counter was updated/retrieved

Reads Attributes

Name	Description
counterName	The name of the counter to update/get.