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Elastic MapReduce
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    Quotas and Limits

    Last updated: 2024-09-23 17:31:51
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    To ensure the normal operation of EMR Lite 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 work order for consultation.
    

    Restrictions

    Object
    Suggested Limit
    Hard Limit
    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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