Searching for Innodb Xa Support information? Find all needed info by using official links provided below.
https://www.percona.com/blog/2011/03/02/what-is-innodb_support_xa/
Mar 03, 2011 · A common misunderstanding about innodb_support_xa is that it enables user-initiated XA transactions, that is, transactions that are prepared and then committed on multiple systems, with an external transaction coordinator. This is actually not precisely what this option is for. It enables two-phase commit in InnoDB (prepare, then commit). This is necessary not only for user-initiated …
https://dev.mysql.com/doc/refman/5.7/en/innodb-parameters.html
innodb_large_prefix is deprecated and will be removed in a future release. innodb_large_prefix was introduced to disable large index key prefixes for compatibility with earlier versions of InnoDB that do not support large index key prefixes. innodb_limit_optimistic_insert_debug
https://stackoverflow.com/questions/6067093/in-mysql-why-is-it-safe-to-turn-off-innodb-support-xa-for-single-threaded-updat
Nov 22, 2011 · In MySQL's docs the following is said about the innodb_support_xa option: Enables InnoDB support for two-phase commit in XA transactions, causing an extra disk flush for transaction preparation. This setting is the default. The XA mechanism is used internally and is essential for any server that has its binary log turned on and is accepting ...
https://dev.mysql.com/doc/refman/8.0/en/xa-restrictions.html
XA transaction support is limited to the InnoDB storage engine. For “ external XA, ” a MySQL server acts as a Resource Manager and client programs act as Transaction Managers. For “ Internal XA ”, storage engines within a MySQL server act as RMs, and the server itself acts as a TM.Internal XA support is limited by the capabilities of individual storage engines.
https://softwaredevelopmentreviews.com/what-is-innodb_support_xa/
Mar 04, 2011 · A common misconception about innodb_support_xa is that it allows for user-initiated XA-transactions are transactions that have been drawn up, and then committed on multiple systems with an external transaction coordinator. In fact, it is not precisely this option is for. It enables the two-phase commit protocol in InnoDB (prepare, and then commit). It is necessary …
https://mariadb.com/kb/en/xa-transactions/
At least InnoDB, TokuDB, SPIDER and MyRocks support them. For InnoDB, XA transactions can be disabled by setting the innodb_support_xa server system variable to 0. Like regular transactions, XA transactions create metadata locks on accessed tables. XA transactions require REPEATABLE READ as a minimum isolation level.
https://mariadb.com/docs/reference/es/system-variables/innodb_support_xa/
Enable InnoDB support for the XA two-phase commit. See also: System Variables in 10.4, in 10.3, and in 10.2. Parameters ...
https://dzone.com/articles/what-innodbsupportxa
A common misunderstanding about innodb_support_xa is that it enables user-initiated XA transactions, that is, transactions that are prepared and then committed on multiple systems, with an ...
https://bugs.mysql.com/35786
Advice Turn off XA distributed transaction support if you do not need it: Add innodb_support_xa=0 to your my.cnf/my.ini file and restart the server. Recommended Action SET GLOBAL innodb_support_xa = 0; <<--- So customers not sure when they should consider that alert valuable.
https://bugs.mysql.com/bug.php?id=53449
If this was selected and changes applied the confirmation dialog indicated the following changes were made: Added: [mysqld] innodb_support_xa = True However, what was added to the my.cnf file was “innodb_support_xa”. This meant there was no way to set this parameter, which defaults to True, to False using MySQL Workbench.
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