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database: expose SetConnMaxLifetime as config setting

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For MySQL, setting this to be shorter than the wait_timeout MySQL setting
solves the issue with connection errors after the session has timed out for
the connection to the database via xorm.
This commit is contained in:
Daniel Lee
2018-03-16 01:09:00 +01:00
parent 5a3ba68a9c
commit 9cdd7cb04c
4 changed files with 26 additions and 11 deletions
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docs/sources/installation/configuration.md
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@@ -234,7 +234,12 @@ The maximum number of connections in the idle connection pool.
### max_open_conn
The maximum number of open connections to the database.
### conn_max_lifetime
Sets the maximum amount of time a connection may be reused. The default is 14400 (which means 14400 seconds or 4 hours). For MySQL, this setting should be shorter than the [`wait_timeout`](https://dev.mysql.com/doc/refman/5.7/en/server-system-variables.html#sysvar_wait_timeout) variable.
### log_queries
Set to `true` to log the sql calls and execution times.
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