CMAPI Log for MariaDB Enterprise ColumnStore 5

Overview

MariaDB Enterprise ColumnStore 5 uses the Cluster Management API (CMAPI), which writes to its own log file.

Reference material is available for MariaDB Enterprise ColumnStore 5.

MariaDB Enterprise ColumnStore 5 is included with MariaDB Enterprise Server 10.5.

Purpose

The CMAPI log is intended for:

  • Monitoring the status of a failover operation

  • Diagnosing problems with failover operations

  • Diagnosing problems with REST API calls to CMAPI

For additional information, see "CMAPI in MariaDB Enterprise ColumnStore 5".

Location

The location of the CMAPI log is version-dependent:

  • Starting with Enterprise ColumnStore 5.5.2, the CMAPI log is written to /var/log/mariadb/columnstore/cmapi_server.log

  • Prior to Enterprise ColumnStore 5.5.2, CMAPI's log messages can be viewed in the systemd journal:

    $ sudo journalctl -u mariadb-columnstore-cmapi
    

Configuration

The CMAPI log for MariaDB Enterprise ColumnStore 5 does not require configuration.