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Added README.md and updated schemarouter documentation.

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Markus Makela 2015-04-24 06:19:50 +03:00
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Documentation/routers/schemarouter/SchemaRouter.md
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@ -47,7 +47,7 @@ The schemarouter supports the following router options:
|option |parameter |description|
---------------------------------------------
|max_sescmd_hitory |<int> |Set a limit on the number of session modifying commands a session can execute. This sets an effective cap on the memory consupmtion of the session.|
|disable_sescmd_history|<boolean>|Disable the session command history. This will prevent growing memory consumption of a long-running session and allows pooled connections to MaxScale to be used. The drawback of this is the fact that if a server goes down, the session state will not be consistent anymore.|
## Limitations
The schemarouter router currently has some limitations due to the nature of the sharding implementation and the way the session variables are detected and routed. Here is a list of the current limitations.

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README.md Normal file
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# MaxScale by MariaDB Corporation
The MariaDB Corporation MaxScale is an intelligent proxy that allows forwarding of
database statements to one or more database servers using complex rules,
a semantic understanding of the database statements and the roles of
the various servers within the backend cluster of databases.
MaxScale is designed to provide load balancing and high availability
functionality transparently to the applications. In addition it provides
a highly scalable and flexible architecture, with plugin components to
support different protocols and routing decisions.
MaxScale is implemented in C and makes extensive use of the
asynchronous I/O capabilities of the Linux operating system. The epoll
system is used to provide the event driven framework for the input and
output via sockets.
The protocols are implemented as external shared object modules which
can be loaded at runtime. These modules support a fixed interface,
communicating the entries points via a structure consisting of a set of
function pointers. This structure is called the "module object".
The code that routes the queries to the database servers is also loaded
as external shared objects and are referred to as routing modules.
An Google Group exists for MaxScale that can be used to discuss ideas,
issues and communicate with the MaxScale community.
Send email to maxscale@googlegroups.com
or use the [forum](http://groups.google.com/forum/#!forum/maxscale) interface
Bugs can be reported in the MariaDB Corporation bugs database
[https://mariadb.atlassian.net](https://mariadb.atlassian.net) under project MXS.
# Documentation
For information about installing and using MaxScale, please refer to the
[documentation](Documentation/Documentation-Contents.md).