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Fix to bug 736: http://bugs.mariadb.com/show_bug.cgi?id=736

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Added a cofigurable limit on the number of session commands the readwritesplit router stores.
This commit is contained in:
Markus Makela
2015-03-01 02:27:47 +02:00
parent b897c7da80
commit 2d08bc4eda
4 changed files with 35 additions and 1 deletions
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6
Documentation/Getting-Started/Configuration-Guide.md
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@ -798,6 +798,12 @@ When value all is used, queries reading session variables can be routed to any a
In above-mentioned case the user-defined variable would only be updated in the master where query would be routed due to `INSERT` statement.
`max_sescmd_history` sets a limit on how many session commands each session can execute before the connection is closed. The default is an unlimited number of session commands.
max_sescmd_history=1500
When a limitation is set, it effectively creates a cap on the session's memory consumption. This might be useful if connection pooling is used and the sessions use large amounts of session commands.
An example of Read/Write Split router configuration :
```