Hi all,
Looking for a way to automate backup I was thinking of scheduling mysqldump on a daily base. It want to use the read lock, but I am not really sure about the consequences of this. Does putting a read lock on the files can cause loss of data? It is no problem pausing the flow of incoming data (invoices and other documents that are put in a monitored directory). But what about the data coming from the application that accesses the database? Say a user changes preferences or creates a new query, which are saved in the database. Is that data lost or buffered by MySql? Or does the application have to provide functionality to anticipate his situation? I know, I could bring down the whole system (webserver, application services and MySql), but with the read lock, the system would be 'down' (querying still possible) for only half an hour and it keeps running. The platform is Win2K. Regards, Olivier
