Release Notes for MariaDB Enterprise Server 10.2.33-8
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 eighth release of MariaDB Enterprise Server 10.2 is a maintenance release, including a variety of fixes.
MariaDB Enterprise Server 10.2.33-8 was released on 2020-09-08.
Fixed Security Vulnerabilities
CVE (with cve.org link) | CVSS base score |
4.4 |
Notable Changes
InnoDB updated to 5.7.29.
Limit innodb_
encryption_ tothreads 255
(MDEV-22258)Minimum value of max_
sort_ raised tolength 8
(previously4
) so fixed size data types like DOUBLE and BIGINT are not truncated for lower values of max_sort_ . (MDEV-22715)length INFORMATION_
SCHEMA.INNODB_ requires PROCESS instead of SUPER privilege. (MDEV-23003)TABLESPACES_ ENCRYPTION Backport from MariaDB Server 10.5.4 of improvements to DROP TABLE for InnoDB. (MENT-636)
Issues Fixed
Can result in data loss
InnoDB doublewrite recovery can corrupt data pages. (MDEV-11799)
InnoDB table can disappear when trying to change primary key after disabling Foreign Key checks and violating a Foreign Key constraint. (MENT-804)
InnoDB corruption in delete buffering. (MDEV-22497)
Can result in a hang or crash
InnoDB deadlock in FLUSH TABLES .. FOR EXPORT (MDEV-22890)
InnoDB data file extension is not crash-safe. (MDEV-23190)
innodb_
log_ =off is not crash safe. (MDEV-21347)optimize_ ddl Deadlock involving parallel workers, STOP SLAVE, and FLUSH TABLES WITH READ LOCK (MDEV-23089)
Crashes when running a SQL query containing a specific subquery pattern. (MDEV-23221)
Dropping the adaptive hash index may cause DDL to lock up InnoDB (MDEV-22456)
RESET MASTER TO could result in a crash, when the value exceeds the max allowed
2147483647
(MDEV-22451)Crash on
WITH RECURSIVE
large query. (MDEV-22748)Crash with Prepared Statement with a
?
parameter inside a re-used CTE. (MDEV-22779)MariaDB could crash after changing the
query_cache
size. (MDEV-5924)Crash in
CREATE TABLE AS SELECT
when the precision of returning type = 0 (MDEV-22502)ENUM or SET in a CREATE TABLE statement, which has a
0x00
byte in one of the values could crash the server. (MDEV-22111)
Can result in unexpected behavior
Service shutdown fails if OS datetime has been updated backwards. (MDEV-17481)
ALTER TABLE .. ANALYZE PARTITION
can run for hours for huge tables if engine-independent persistent statistics are enabled, due to reading and locking of all rows in the InnoDB table instead of for the partition. (MDEV-21472)UPDATE can fail with privilege error when UPDATE privilege exists at database level but SELECT privilege exists at table level. (MDEV-23010)
Latency and throughput regression identified in write-heavy benchmarks for latest releases in MariaDB Server 10.2, 10.3, and 10.4. (MENT-909)
START SLAVE UNTIL .. file .. pos
stops at an earlier position earlier than defined if the transaction that spans over the given stop position has to roll back due to conflicts. (MDEV-15152)mariabackup --prepare does not stop on errors while applying InnoDB redo log. (MDEV-22354)
Related to install and upgrade
UNINSTALL PLUGIN and UNINSTALL SONAME can't run if the library file doesn't exist. (MDEV-21258)
Interface Changes
ER_
TRANSACTIONAL_ error code addedARIA_ LOG_ ENGINE max_
sort_ system variable minimum value changed fromlength 4
to8
Platforms
In alignment to the enterprise lifecycle, MariaDB Enterprise Server 10.2.33-8 is provided for:
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 6
CentOS 8
CentOS 7
CentOS 6
Ubuntu 18.04
Ubuntu 16.04
Debian 10
Debian 9
Debian 8
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise Server 12
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.