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I am trying to design a HA solution for an active-active site. Basically, Site A and Site B are both writing to the same table in a database that is position outside of Site A and B. This database is use in an event when either Site A or B fails, it could be use as a backed up. MySQL is being used here.
So i am wondering is there any solution/software out there that is able to handle concurrent updates from Site A & B to the same table.
Kevin
If I’ve understood what you are trying to do correctly, MySQL will be able to handle inserts/updates from multiple sites without any additional software.
Having a second database that replicates the main database as a backup, and can be used as the main db if the first database fails, will probably be a minimum requirement for high availability as well. Have a look at MySQLs own MySQL Cluster as well.