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Elastic MapReduce

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Quotas and Limits

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最終更新日: 2024-11-28 16:22:15
To ensure the normal operation of EMR Serverless HBase instances, read the following content carefully before use.

Quota Description

Object
Quota
Number of nodes per instance
Default limit is 50. To increase, you can submit a ticket for consultation.
Data storage volume per node
Data storage volume per node = number of node CPU cores × 250. For example, for an 8-core 16 GB node, the data storage volume is 2,000 GiB (8 × 250 GiB).

Restrictions

Object
Suggested Limits
Hard Limits
Number of tables per instance
Suggested to be within 1,000, not mandatory
-
Data size in table
Number of column families per table: 10 Single row key: 1 KB Column family: 10 B Single column qualifier: 100 B Single value in a table cell: 1 MB All values in a row: 100 MB
Single row key: 64 KB Column qualifier family: 64 KB Single column qualifier: 64 KB Single value in a table cell: 10 MB All values in a row: 1 GB
Number of rows in batch requests
Suggested to be within 5,000, not mandatory
-
ID length limit
Table name: 1-128 Column family: 1-16
Instance name: 6-36

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