Differences in MariaDB Enterprise Server 11.8

Features that are in MariaDB Enterprise Server 11.8 but not in MariaDB Community Server 11.8

MariaDB Enterprise Server is a premium version of MariaDB Community Server that focuses on stability, robustness, and predictability.

In addition to different release cycles, QA, etc, there are also feature differences. MariaDB Enterprise Server has different default settings to be more secure from the start, and also only includes features that are fully supported and maintained.

In addition to this, there are Enterprise Features and some backported features. The following are features that are in MariaDB Enterprise Server 11.8 but not in MariaDB Community Server 11.8:

Enterprise Features

• MariaDB Backup

• MariaDB Enterprise Audit

• Index limit increased to 128 indexes.

• Slow master shutdown as default

  • MariaDB Enterprise Cluster (powered by Galera)

  • Enhanced Enterprise Data-at-Rest Encryption

  • XA Support

  • Non-Blocking operation for DDLs

  • TLS certificate expiration monitoring

  • SSL/TLS is enabled by default

• Hashicorp Vault Plugin

• Dynamic resize of InnoDB redo log

• Dynamic change of InnoDB purge threads

• Sybase SQL mode for extended aliases

Backported Features

• Log write buffering added to the SERVER_AUDIT and SERVER_AUDIT2 plugins (MENT-2438)

  • The buffering is controlled by the added variables:

    • server_audit_file_buffer_size - defines the size of the buffer. The default value is 0 meaning there's no buffering at all. Setting non-zero value enables the buffering with the buffer of the specified size aligned by 8192. The maximum value is 65536.

    • server_audit_sync_log_file - flushes the buffer to the log file. While the log record is in the buffer, it cannot be seen in the log file. And if there are not many events to log, the time before records can be observed can be significant. So user can do SET GLOBAL server_audit_log_file=1 to this variable to force write the buffer to the file, to make sure he doesn't miss the recent records.

• Two new fields are available via SHOW REPLICA STATUS (MENT-2129)

  1. Connects_Tried, which provides the number of attempts the replica has made to connect to the primary, and

  2. Master_Retry_Count, which provides the number of times the replica will attempt to connect to a primary before giving up.

• The authentication plugin caching_sha2_password has been added, not loaded by default (MDEV-37600)

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