Release Notes for Cluster Management API 6.4.1

Cluster Management API (CMAPI) 6.4.1 is a maintenance release of CMAPI. CMAPI is a REST API for administering MariaDB Enterprise ColumnStore in multi-node topologies.

Cluster Management API 6.4.1 was released on 2022-07-12. This release is of General Availability (GA) maturity.

CMAPI 6.4.1 is compatible with MariaDB Enterprise ColumnStore 6. CMAPI 6.4.1 was first released with MariaDB Enterprise ColumnStore 6.4.1.

Notable Changes

• Failover can now be disabled in the CMAPI configuration file. (MCOL-4939)

  • The auto_failover option can be set to True or False in the [application] section:

[application]
auto_failover = False

• The default value of the auto_failover option is True.

• The auto_failover option should be set to False when non-shared local storage is used.

• The format and logic of CMAPI logging has been improved. (MCOL-4907)

• Transaction IDs are included more consistently in exception messages. (MCOL-4921)

Issues Fixed

• The status endpoint returns the "dbroots" attribute as an empty array even when ColumnStore is working. (MCOL-4762)

• When CMAPI tries to verify a node's hostname, the verification can fail if the short hostname was provided, but the fully qualified domain name (FQDN) is in /etc/hosts. (MCOL-4865)

Platforms

In alignment to the MariaDB Corporation Engineering Policy, CMAPI 6.4.1 is provided for:

• CentOS 7 (x86_64)

• Debian 10 (x86_64)

• Red Hat Enterprise Linux 7 (x86_64)

• Red Hat Enterprise Linux 8 (x86_64)

• Rocky Linux 8 (x86_64)

• Ubuntu 18.04 (x86_64)

• Ubuntu 20.04 (x86_64)

Installation Instructions

• ColumnStore Object Storage Topology with MariaDB Enterprise Server 10.5 and MariaDB Enterprise ColumnStore 5

• ColumnStore Object Storage Topology with MariaDB Enterprise Server 10.6 and MariaDB Enterprise ColumnStore 6

• ColumnStore Shared Local Storage Topology with MariaDB Enterprise Server 10.5 and MariaDB Enterprise ColumnStore 5

• ColumnStore Shared Local Storage Topology with MariaDB Enterprise Server 10.6 and MariaDB Enterprise ColumnStore 6

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