Release Notes for MariaDB Enterprise Server 10.2.26-2
This page is part of MariaDB's 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.org link) | CVSS base score |
6.5 | |
6.5 | |
5.5 | |
5.1 | |
4.9 | |
3.7 | |
3.7 |
Notable Changes
Merge relevant InnoDB changes from MySQL 5.7.27
Compatibility change: Change innodb_
log_ tooptimize_ ddl OFF
by defaultCompatibility change: Change innodb_
adaptive_ tohash_ index OFF
by defaultMerge 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)
Issues Fixed
SERVER_
AUDIT does not work with PS protocolRemoved --rsync legacy option from enterprise build of MariaDB Backup
Changes to
mysql_install_db
script textDROP 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)
Temporary 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_ (MDEV-19978)file_ path 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_ and Assertion (MDEV-19595)ON_ USAGE
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_ status variable addedn_ temp_ blocks_ decrypted Innodb_
encryption_ status variable addedn_ temp_ blocks_ encrypted wsrep_
applier_ status variable addedthread_ count wsrep_
rollbacker_ status variable addedthread_ count innodb_
encrypt_ system variable addedtemporary_ tables rocksdb_
cache_ system variable addeddump rocksdb_
cache_ system variable addedhigh_ pri_ pool_ ratio rocksdb_
cache_ system variable addedindex_ and_ filter_ with_ high_ priority rocksdb_
delete_ system variable addedcf rocksdb_
enable_ system variable addedinsert_ with_ update_ caching rocksdb_
read_ system variable removedfree_ rpl_ tables rocksdb_
rollback_ system variable addedon_ timeout rocksdb_
stats_ system variable addedlevel
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.