What is AWS SearchOCU?

Last updated: April 10, 2025

The amount of compute in OpenSearch Compute Units (OCUs) consumed for search operations in OpenSearch Serverless. One OCU corresponds to 6 GB of RAM and corresponding vCPU, GP3 storage, and I/O resources. Charges apply per hour based on the number of OCUs consumed for executing search queries, with a minimum of 2 OCUs for the first collection.

Available Regions The prefix represents the region.
Line Item Region
APN1-SearchOCU Asia Pacific region in Tokyo, Japan
APN2-SearchOCU Asia Pacific region in Seoul, South Korea
APS1-SearchOCU Asia Pacific region in Singapore
APS2-SearchOCU Asia Pacific region in Sydney, Australia
APS3-SearchOCU Asia Pacific region in Mumbai, India
CAN1-SearchOCU Canada region in Central Canada
EU-SearchOCU Europe (Regional Designation)
EUC1-SearchOCU Europe region in Frankfurt, Germany
EUW2-SearchOCU Europe region in London, United Kingdom
EUW3-SearchOCU Europe region in Paris, France
SAE1-SearchOCU South America region in São Paulo, Brazil
UGW1-SearchOCU AWS GovCloud region in US West
USE1-SearchOCU US East region in Northern Virginia
USE2-SearchOCU US East region in Ohio
USW2-SearchOCU US West region in Oregon