[MDEV-17908] MariaDB 10.3.11 missing the semisync plugin? Created: 2018-12-05  Updated: 2018-12-05  Resolved: 2018-12-05

Status: Closed
Project: MariaDB Server
Component/s: Replication
Fix Version/s: N/A

Type: Task Priority: Major
Reporter: Colin Charles Assignee: Unassigned
Resolution: Not a Bug Votes: 0
Labels: None


 Description   

1. Install MariaDB 10.3.11 from the provided yum repository for CentOS 7
2. Go to documentation on semisync replication – https://mariadb.com/kb/en/library/semisynchronous-replication/
3. Try to install the plugin
MariaDB [(none)]> install plugin rpl_semi_sync_master soname 'semisync_master.so';
ERROR 1126 (HY000): Can't open shared library '/usr/lib64/mysql/plugin/semisync_master.so' (errno: 2, cannot open shared object file: No such file or directory)
4. Realise said plugin is not available so semisync cannot be used

 Comments   
Comment by Elena Stepanova [ 2018-12-05 ]

Semisync is not a plugin anymore in 10.3+, it's a part of the normal server.
It has been documented here:
https://mariadb.com/kb/en/library/semisynchronous-replication/

From MariaDB 10.3.3, the plugin has been merged into the main server and does not need to be installed.

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