Release Notes for MariaDB Enterprise Server 10.2.26-2
This page is part of MariaDB's Enterprise Documentation.
The parent of this page is: Release Notes for MariaDB Enterprise Server 10.2
Topics on this page:
Overview
This second release of MariaDB Enterprise Server 10.2 is a maintenance release, addressing security vulnerabilities and including a variety of fixes.
MariaDB Enterprise Server 10.2.26-2 was released on 2019-08-19.
Fixed Security Vulnerabilities
CVE (with cve.mitre.org link) | CVSS base score |
4.9 | |
5.1 | |
6.5 | |
5.5 | |
6.5 | |
3.7 | |
3.7 |
Notable Changes
Merge upstream changes from MyRocks (MDEV-19795)
DISKS plugin now requires the FILE privilege to display information in the disks table in the information schema, the table will otherwise be empty (MDEV-18328)
Merge relevant InnoDB changes from MySQL 5.7.27
Compatibility change: Change innodb_log_optimize_ddl to
OFF
by defaultCompatibility change: Change innodb_adaptive_hash_index to
OFF
by default
Issues Fixed
SERVER_AUDIT does not work with PS protocol
DROP TABLE IF EXISTS
killed on master but was replicated (MDEV-20348)Post-merge fixes for rocksdb.group_min_max test (MDEV-20113)
Replication hangs with "preparing" and never starts (MDEV-20247)
Failing assertion when REDO log files reach 512Gb while preparing backup (MDEV-20060)
Removed --rsync legacy option from enterprise build of MariaDB Backup
Changes to
mysql_install_db
script textTemporary tables created with data-at-rest encryption are not fully encrypted (MDEV-17228)
InnoDB bugs related to creating tables (MDEV-19292, MDEV-20102)
ALTER TABLE for InnoDB can result in a crash in some cases (MDEV-15641)
Bugs in InnoDB related to indexed virtual columns (MDEV-16222), (MDEV-17005)
Failing tests in buildbot related to
FULLTEXT INDEX
(MDEV-14154)Server startup bug with encrypted InnoDB table (MDEV-19914)
Possible crash when Galera and foreign key is used, if the referenced record is deleted at the same time (MDEV-19660)
Recovery with mariabackup crash related to InnoDB with custom
innodb_data_file_path
(MDEV-19978)Add page-id matching check in
innochecksum
tool (MDEV-19871)DROP TEMPORARY
table is logged despite noCREATE
was logged in binary log (MDEV-20091)mysql_upgrade_service
throws exception upgrading from 10.0 to 10.3 (MDEV-19427)Loading the audit plugin causes performance regression (MDEV-18661)
REPLACE on table with virtual_field can cause crash (MDEV-19771)
Fix Aria ER_CRASHED_ON_USAGE and Assertion (MDEV-19595)
Interface Changes
mariabackup --rsync option removed
mysqld --innodb-encrypt-temporary-tables option added
mysqld --rocksdb-cache-dump option added
mysqld --rocksdb-cache-high-pri-pool-ratio option added
mysqld --rocksdb-cache-index-and-filter-with-high-priority option added
mysqld --rocksdb-delete-cf option added
mysqld --rocksdb-enable-insert-with-update-caching option added
mysqld --rocksdb-read-free-rpl-tables option removed
mysqld --rocksdb-rollback-on-timeout option added
mysqld --rocksdb-stats-level option added
Innodb_encryption_n_temp_blocks_decrypted status variable added
Innodb_encryption_n_temp_blocks_encrypted status variable added
wsrep_applier_thread_count status variable added
wsrep_rollbacker_thread_count status variable added
innodb_encrypt_temporary_tables system variable added
rocksdb_cache_dump system variable added
rocksdb_cache_high_pri_pool_ratio system variable added
rocksdb_cache_index_and_filter_with_high_priority system variable added
rocksdb_delete_cf system variable added
rocksdb_enable_insert_with_update_caching system variable added
rocksdb_read_free_rpl_tables system variable removed
rocksdb_rollback_on_timeout system variable added
rocksdb_stats_level system variable added
Platforms
In alignment to the enterprise lifecycle, MariaDB Enterprise Server 10.2.26-2 is provided for:
CentOS 7
CentOS 6
Debian 9
Debian 8
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 6
Ubuntu 18.04
Ubuntu 16.04
Microsoft Windows
Some components of MariaDB Enterprise Server might not support all platforms. For additional information, see "MariaDB Corporation Engineering Policies".
Note
CentOS 6, Debian 8, and Red Hat Enterprise Linux 6 are no longer supported as per the MariaDB Engineering Policy. Older releases are available from the MariaDB Downloads page. Instructions for installation are included as a README
file within the download.