Implementation:Triton inference server Server L0 Sequence Batcher Test

Knowledge Sources	Triton Inference Server
Domains	Testing, Sequence_Batching
Last Updated	2026-02-13 17:00 GMT

Overview

QA test script for validating sequence batcher functionality in the Triton Inference Server.

Description

This test validates the Triton Inference Server's sequence batcher, which manages stateful inference requests that must be routed to the same model instance across a sequence of related calls. It verifies correct handling of sequence start and end flags, correlation ID-based routing, sequence slot management, and timeout behavior for idle sequences. The test covers both the direct and oldest scheduling strategies, exercises concurrent sequences across multiple model instances, and validates that sequence state is properly maintained throughout the lifetime of a sequence.

Usage

Run as part of the Triton QA test suite. Requires a GPU-enabled Docker environment with pre-generated test models.

Code Reference

Source Location

• Repository: Triton Inference Server
• File: qa/L0_sequence_batcher/test.sh
• Lines: 1-923

Signature

#!/bin/bash
source ../common/util.sh
# Test orchestration for sequence batcher functionality

Import

source ../common/util.sh

I/O Contract

Inputs

Name	Type	Required	Description
DATADIR	env var	No	Test data directory
MODEL_REPO	directory	Yes	Test model repository

Outputs

Name	Type	Description
exit code	int	0 on success, 1 on failure
test logs	files	Server and test output logs

Usage Examples

Running the Test

cd qa/L0_sequence_batcher/
bash test.sh

Related Pages

• Environment:Triton_inference_server_Server_GPU_CUDA_Runtime