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Parameter Value Limits

Last updated: 2022-05-30 11:26:12

    This document describes instance parameters that cannot be modified due to instance specification limits and their required values.

    Notes

    Setting the following parameters will use system resources. To prevent the database use from being affected by parameter values, configure them as needed.

    Note:

    Some are key parameters, and changing them may affect your use or the normal running of the instance. Therefore, exercise caution when modifying key parameters.

    Limits on Parameter Values Restricted by Specification

    Specification\Parameter max_replication_slots max_wal_senders max_worker_processes max_logical_replication_workers max_parallel_workers
    1C2GiB [10-100] [27-150] [4-300] [4-150] [0-2]
    2C4GiB [10-100] [27-150] [4-300] [4-150] [0-4]
    2C6GiB [10-150] [27-200] [4-400] [4-200] [0-8]
    4C8GiB [10-150] [27-200] [4-400] [4-200] [0-8]
    4C16GiB [10-150] [27-200] [4-400] [4-200] [0-8]
    6C24GiB [10-200] [27-250] [4-500] [4-250] [0-12]
    8C32GiB [10-200] [27-250] [4-500] [4-250] [0-16]
    8C48GiB [10-200] [27-250] [4-500] [4-250] [0-16]
    12C64GiB [10-400] [27-450] [4-900] [4--450] [0-24]
    16C96GiB [10-400] [27-450] [4-900] [4--450] [0-32]
    20C128GiB [10-500] [27-450] [4-900] [4--450] [0-40]
    28C240GiB [10-600] [27-650] [4-1300] [4--650] [0-56]
    48C480GiB [10-600] [27-650] [4-1300] [4--650] [0-96]
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