Help Center > > FAQs> Under What Circumstances Do I Need to Create Migration Tasks Based on Evaluation?

Under What Circumstances Do I Need to Create Migration Tasks Based on Evaluation?

Updated at: Sep 02, 2019 GMT+08:00

If the data capacity in the source bucket exceeds 3 TB or the number of objects exceeds in the source bucket exceeds 5 million, you are advised to use the pre-migration evaluation to evaluate your bucket. After the evaluation succeeds, you can create multiple migration tasks on the Pre-Migration Evaluation page. The system can arrange and create migration tasks based on the evaluation results to maximize the concurrent migration performance and reduce migration duration.

For details, see Evaluating Data in a Bucket and Creating Migration Tasks Based on Evaluation.

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