How to Use MariaDB Enterprise Edition in PostgreSQL

How do I install and secure MariaDB Enterprise Edition?

MariaDB Enterprise Edition is a commercially supported build of MariaDB offering advanced security, availability, and performance features for mission-critical databases.

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Description

Example H2

Example H3

Why choose MariaDB Enterprise Edition over the community server?

Enterprise Edition bundles premium storage engines, encryption, high-availability plugins, and 24×7 support. These features harden production workloads without the headache of piecemeal add-ons.

How do I install MariaDB Enterprise Server on Linux?

Add the MariaDB Enterprise repository with the supplied bash script, then run sudo yum install mariadb-enterprise-server. This single package installs the server, client, and enterprise plugins.

Which security options come with Enterprise Edition?

Key offerings include data-at-rest encryption, role-based access control (RBAC), PAM/LDAP authentication, and the MariaDB Audit plugin. Enable them at startup or with INSTALL PLUGIN.

How to enable data-at-rest encryption?

Edit my.cnf to include plugin_load_add=file_key_management and point file_key_management_filename to the encryption key file. Restart the server and create encrypted tablespaces.

Can I encrypt individual InnoDB tables?

Yes. Use CREATE TABLE Customers (... ) ENCRYPTED=YES ENCRYPTION_KEY_ID=1; to protect customer data while leaving analytical tables unencrypted for speed.

How do I configure a three-node Galera cluster for HA?

Install mariadb-enterprise-server on three hosts. Set wsrep_on=ON, wsrep_provider=/usr/lib/galera/libgalera_enterprise.so, and wsrep_cluster_address=gcomm://node1,node2,node3. Start each node to form an active-active cluster.

What’s the recommended backup strategy?

Use MariaDB Enterprise Backup for hot, incremental backups. Schedule mariabackup --backup --stream=xbstream | gzip > full_$(date +%F).xb.gz nightly and incremental backups hourly.

How do I monitor performance?

Deploy MariaDB Enterprise Monitor. It collects query statistics, InnoDB metrics, and system data, alerting you when thresholds are breached.

Sample ecommerce workflow

Encrypt the Customers table, replicate orders across three nodes, and back up all data nightly. The following commands implement this workflow.

Why How to Use MariaDB Enterprise Edition in PostgreSQL is important

How to Use MariaDB Enterprise Edition in PostgreSQL Example Usage


-- Return customers with their total lifetime spend
SELECT c.id,
       c.name,
       c.email,
       SUM(o.total_amount) AS lifetime_value
FROM Customers   c
JOIN Orders      o ON o.customer_id = c.id
GROUP BY c.id, c.name, c.email
ORDER BY lifetime_value DESC;

How to Use MariaDB Enterprise Edition in PostgreSQL Syntax


-- Enable encryption plugin
INSTALL SONAME 'file_key_management';

-- Create encrypted table (ecommerce example)
CREATE TABLE Customers (
    id            INT PRIMARY KEY,
    name          VARCHAR(80),
    email         VARCHAR(120),
    created_at    DATETIME
) ENGINE=InnoDB
  ENCRYPTED=YES
  ENCRYPTION_KEY_ID=1;

-- Define Galera cluster settings (my.cnf excerpt)
[mariadb]
wsrep_on                     = ON
wsrep_cluster_address        = gcomm://db1,db2,db3
wsrep_provider               = /usr/lib/galera/libgalera_enterprise.so
wsrep_sst_method             = mariabackup

-- Take a full backup
mariabackup --backup --target-dir=/backups/full

-- Restore backup
mariabackup --prepare --target-dir=/backups/full

Common Mistakes

Ignoring encryption keys. Users often enable the encryption plugin but forget to generate and secure the key file. Always store keys outside the database server and restrict file permissions.
Mixing community and enterprise packages. Installing community libraries after the enterprise server can overwrite critical binaries. Use the enterprise repository exclusively on production hosts.