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A question about a cluster on the basis of replication
Posted by: Anatoli Marinov
Date: September 07, 2005 03:42AM

I am trying to create a deamon for a mysql cluster. All nodes in my cluster use MyIsam or InnoDB tables. One node In the cluster is the master and all other nodes are slaves and replicate all tables from the master. My daemon scans all nodes and collects the states from the nodes (which node is UP and which of UP nodes is synchronized with master).
When default master node falls, the daemon searches for the next node and sets it to master, then changes the master's options for all slave nodes and setups them again.
When the default master returns back I have to switch all nodes to use this master for replication including current temporary master, but for temporary master I have to drop all TCP connections from all mysql clients connected to him.
Does anyone have an idea how I can drop all clients from the server, connected with the function mysql_connect (for example connection from php scripts). I do not know a similar mysql function.

Thanks in advance

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A question about a cluster on the basis of replication
September 07, 2005 03:42AM

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