What is AWS Lambda-Provisioned-Concurrency?

Last updated: April 10, 2025

The Provisioned Concurrency feature keeps Lambda functions initialized for better response times. Charges apply for the the duration (per GB-second) that concurrency is configured on x86 architectures, rounded up to the nearest 5 minutes.

Available Regions The prefix represents the region.
Line Item Region
AFS1-Lambda-Provisioned-Concurrency Africa region in Cape Town, South Africa
APN1-Lambda-Provisioned-Concurrency Asia Pacific region in Tokyo, Japan
APN2-Lambda-Provisioned-Concurrency Asia Pacific region in Seoul, South Korea
APN3-Lambda-Provisioned-Concurrency Asia Pacific region in Osaka, Japan
APS2-Lambda-Provisioned-Concurrency Asia Pacific region in Sydney, Australia
APS3-Lambda-Provisioned-Concurrency Asia Pacific region in Mumbai, India
CAN1-Lambda-Provisioned-Concurrency Canada region in Central Canada
CNN1-Lambda-Provisioned-Concurrency China region in Beijing
CNW1-Lambda-Provisioned-Concurrency China region in Ningxia
EU-Lambda-Provisioned-Concurrency Europe (Regional Designation)
EUC1-Lambda-Provisioned-Concurrency Europe region in Frankfurt, Germany
EUN1-Lambda-Provisioned-Concurrency Europe region in Stockholm, Sweden
EUW2-Lambda-Provisioned-Concurrency Europe region in London, United Kingdom
EUW3-Lambda-Provisioned-Concurrency Europe region in Paris, France
Lambda-Provisioned-Concurrency US East region in Northern Virginia
MES1-Lambda-Provisioned-Concurrency Middle East region in Bahrain
UGW1-Lambda-Provisioned-Concurrency AWS GovCloud region in US West
USE2-Lambda-Provisioned-Concurrency US East region in Ohio
USW1-Lambda-Provisioned-Concurrency US West region in Northern California
USW2-Lambda-Provisioned-Concurrency US West region in Oregon