Mysql Fabric

Dear MySQL users,

MySQL Utilities version 1.4.2 is compatible with MySQL Server
versions 5.1 and greater, but should work with earlier versions
(greater than v4.1). Python v2.6 and v2.7 are supported.

In addition to server utilities, MySQL Utilities also contains
MySQL Fabric: a framework for managing a collection of MySQL servers.
MySQL Fabric is deployed as a separate service daemon that contains
support for high-availability and sharding.

The management framework maintains a database of the routing and
state information for the servers making up the system and provides
an easy-to-use command line interface for adding, removing and
organizing servers.

High-availability is provided by continuously monitoring the servers
and executing slave promotion when the master crashes and just as
importantly automatically updates the state and routing information
that gets messages to the right server.

MySQL Fabric comes with built-in support for sharding either using
ranges or consistent hashing and supports the sharding of multiple
tables to ensure that rows with matching sharding keys are stored
in the same shard. MySQL Fabric also contains support for global
tables that are duplicated on all shards as well as the ability to
synchronize schema updates across all of the servers.

To provide high performance and avoid latency, transactions are
directly routed by Fabric-aware connectors rather than routing via
an external proxy. The connectors dispatch transactions to the
correct shard, perform load-balancing, and handle read-write
splitting. Currently there exists Fabric-aware versions of
Connector/Python, Connector/Java, and Connector/PHP (through a
Fabric-aware mysqlnd_ms plugin).

MySQL Utilities v1.4.2 is available for download from

http://dev.mysql.com/downloads/tools/utilities/

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