[MDEV-13272] Document default change on parameter innodb_log_compressed_pages=ON Created: 2017-07-07  Updated: 2017-07-11  Resolved: 2017-07-11

Status: Closed
Project: MariaDB Server
Component/s: Documentation
Affects Version/s: 10.1.26, 10.2.7
Fix Version/s: N/A

Type: Bug Priority: Major
Reporter: Jan Lindström (Inactive) Assignee: Ian Gilfillan
Resolution: Fixed Votes: 0
Labels: None

Issue Links:
Problem/Incident
is caused by MDEV-13247 innodb_log_compressed_pages=OFF break... Closed
Relates
relates to MDEV-6935 Change the default value for innodb_l... Closed
relates to MDEV-7635 update defaults and simplify mysqld c... Closed

 Comments   
Comment by Jan Lindström (Inactive) [ 2017-07-07 ]

See MDEV-13247 for reasoning to this change especially the fact that zlib 1.2.3 -> 1.2.8 upgrade. We should warn users about this.

Comment by Marko Mäkelä [ 2017-07-07 ]

MDEV-7635 restored the safe default value in MariaDB 10.2.4.
The unsafe default value innodb_log_compressed_pages=OFF was used in MariaDB 10.1.2 to 10.1.25 and MariaDB 10.2.0 to MariaDB 10.2.3.

Comment by Ian Gilfillan [ 2017-07-11 ]

Documented on https://mariadb.com/kb/en/mariadb/xtradbinnodb-server-system-variables/#innodb_log_compressed_pages and on https://mariadb.com/kb/en/mariadb/mariadb-10126-release-notes/

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