UpgradeHistory - Amazon OpenSearch Service
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This documentation is a draft for private preview for regions in the AWS European Sovereign Cloud. Documentation content will continue to evolve. Published: January 2, 2026.

UpgradeHistory

History of the last 10 upgrades and upgrade eligibility checks for an Amazon OpenSearch Service domain.

Contents

StartTimestamp

UTC timestamp at which the upgrade API call was made, in the format yyyy-MM-ddTHH:mm:ssZ.

Type: Timestamp

Required: No

StepsList

A list of each step performed as part of a specific upgrade or upgrade eligibility check.

Type: Array of UpgradeStepItem objects

Required: No

UpgradeName

A string that describes the upgrade.

Type: String

Required: No

UpgradeStatus

The current status of the upgrade. The status can take one of the following values:

  • In Progress

  • Succeeded

  • Succeeded with Issues

  • Failed

Type: String

Valid Values: IN_PROGRESS | SUCCEEDED | SUCCEEDED_WITH_ISSUES | FAILED

Required: No

See Also

For more information about using this API in one of the language-specific AWS SDKs, see the following: