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MXS-2167: Add support for extra_port

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This allows MaxScale to connect to the server even when max_connections
has been reached.
This commit is contained in:
Markus Mäkelä
2018-11-15 12:51:36 +02:00
parent 598edea203
commit cbe1483028
7 changed files with 40 additions and 0 deletions
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10
Documentation/Getting-Started/Configuration-Guide.md
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@ -1287,6 +1287,16 @@ The `monitorpw` parameter may be either a plain text password or it may be an
encrypted password. See the section on encrypting passwords for use in the
maxscale.cnf file.
#### `extra_port`
An alternative port used to monitor the server. This allows MaxScale to connect
even when `max_connections` has been reached on the backend server. If this
parameter is defined and a connection to the normal port fails, the alternative
port is used.
For more information, read the
[extra_port documentation](https://mariadb.com/kb/en/library/thread-pool-system-and-status-variables/#extra_port).
#### `persistpoolmax`
The `persistpoolmax` parameter defaults to zero but can be set to an integer