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MySQL 8.0 Reference Manual  /  ...  /  InnoDB Cluster Requirements

Pre-General Availability Draft: 2018-02-24

22.2.2 InnoDB Cluster Requirements

Before installing a production deployment of InnoDB cluster, ensure that the server instances you intend to use meet the following requirements.

  • InnoDB cluster uses Group Replication and therefore your server instances must meet the same requirements. See Section 21.7.1, “Group Replication Requirements”. AdminAPI provides the dba.checkInstanceConfiguration() method to verify that an instance meets the Group Replication requirements, and the dba.configureLocalInstance() method to configure an instance to meet the requirements.

    Note

    When using a sandbox deployment the instances are configured to meet these requirements automatically.

  • The provisioning scripts that MySQL Shell uses to configure servers for use in InnoDB cluster require access to Python version 2.7. For a sandbox deployment Python is required on the single machine used for the deployment, production deployments require Python on each server instance.

    On Windows MySQL Shell includes Python and no user configuration is required. On Unix Python must be found as part of the shell environment. To check that your system has Python configured correctly issue:

    $ /usr/bin/env python

    If a Python interpreter starts, no further action is required. If the previous command fails, create a soft link between /usr/bin/python and your chosen Python binary.


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