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MapReduce

FAQs About Performance

Can BMR estimate the operation time of processing steps?

The operation time of processing steps depends on certain factors, including scale and complexity of step, setup number of instances, and package type. Hence, BMR does not have the service of estimating step operation time.

Can BMR run a super large step?

BMR has no limit on the size of the step to handle. BOS provides a MultiUpload channel to upload files if the step is larger than 5G. Please be noted that the number of steps in every cluster is not more than 256.

How many clusters can an account run simultaneously?

Currently, a user paid BMR account simultaneously runs 5 clusters at maximum.

Does the cluster support scale expansion without stopping services?

Yes, the cluster can be expanded. Click “Cluster List>Node Configuration Modification” to enter the “Configuration Modification” page. Set the number of CORE nodes to add. Click “Confirm Configuration Adjustment” to complete expansion.

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