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Posts tagged XtraDB

Table and tablespace encryption on MariaDB 10.1.3

Introduction For the moment, the only engines that fully support encryption are XtraDB and InnoDB. The Aria storage engine also supports encryption, but only for temporary tables. MariaDB supports 2 different way to encrypt data in InnoDB/XtraDB: Specified table encryption: Only tables which you create with PAGE_ENCRYPTION=1 are encrypted. This feature was created by eperi. […]

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MariaDB 10.1.1: Defragmenting unused space on InnoDB tablespace

Introduction When you e.g. delete rows, these rows are just marked as deleted not really physically deleted from indexes and free space introduced is not returned to operating system for later reuse. Purge thread will physically delete index keys and rows, but still free space introduced is not returned to operating system and this operation […]

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MariaDB 10.1.1: Monitoring progress and temporal memory usage of Online DDL in InnoDB

Introduction Online DDL is a new feature in MariaDB 10.0. Online DDL is processed through below 4 tasks in sequence. InnoDB::ha_prepare_inplace_alter_table(..) InnoDB::ha_inplace_alter_table(..) InnoDB::ha_commit_inplace_alter_table(..) mysql_rename_table(..) InnoDB storage engine allocates temporal memory buffer for transaction logging in phase 1 where row changes during this phase are logged. Size of this buffer is at start sort_buffer_size and it […]

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MariaDB 10.0.9 now available

The MariaDB project is pleased to announce the immediate availability of MariaDB 10.0.9. This is a Release Candidate release. Among other changes, XtraDB is now the default InnoDB implementation, Oracle’s InnoDB is included as a plugin and can be dynamically loaded if desired. Packages for Ubuntu 14.04 “trusty” and Debian “Sid” have also been added […]

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MariaDB 5.5.32 Now Available

The MariaDB project is pleased to announce the immediate availability of MariaDB 5.5.32. This is a Stable (GA) release. See the Release Notes and Changelog for detailed information on this release and the What is MariaDB 5.5? page in the AskMonty Knowledgebase for general information about the MariaDB 5.5 series. Download MariaDB 5.5.32 Release Notes […]

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