[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["わかりにくい","hardToUnderstand","thumb-down"],["情報またはサンプルコードが不正確","incorrectInformationOrSampleCode","thumb-down"],["必要な情報 / サンプルがない","missingTheInformationSamplesINeed","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["その他","otherDown","thumb-down"]],["最終更新日 2025-05-15 UTC。"],[[["Database Migration Service enables the migration of data to a Cloud SQL destination instance, with the ability to set up cascading read replicas."],["Cascading read replicas allow the creation of a read replica under another Cloud SQL read replica, supporting up to four levels, including the primary instance."],["To use cascading read replicas, you need to set `GTID_MODE` to `ON` on the source instance, as it is only supported for global transaction identifier (GTID)-based replication."],["Cascading read replicas can be set up once the migration job enters the change data capture (CDC) phase, after the initial full data dump."],["Promoting the Cloud SQL replica to a primary instance via the Database Migration Service maintains the existing cascading replica hierarchy."]]],[]]