Instance Purchase and Upgrade

Last updated: 2019-12-06 16:34:48

    Instance Purchase

    Log in to the TDSQL Console and click Create to purchase an instance. You can purchase up to 64 shards at a time, and if you need more, please submit a ticket.
    Initialization is required for the purchased instance to function normally.

    Instance Upgrade

    An instance upgrade operation will upgrade the current TDSQL instance to a higher specification; however, as a distributed database is composed of multiple shards, instance upgrade schemes actually include "adding new shards" and "scaling up shards". During upgrade, the service will not be interrupted, but some shards may become read-only for just seconds, so you are recommended to upgrade your instance during off-hours.

    Adding new shards

    1. In the TDSQL Console, click the instance name or Manage in the "Operation" column to enter the instance management page.
    2. Select the Shard Management tab, click Add Shard in the "Operation" column, and select the specification and quantity of new shards in the pop-up dialog box.

    Scaling up shards

    This operation upgrades a single shard to a higher specification without adding new shards.
    Enter the instance management page, select the Shard Management tab, and click Expand Shard in the "Operation" column.

    Upgrade fee = (unit price of target specification - unit price of original specification) x remaining validity period

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