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17. MySQL´Ø
17.1. MySQL´Ø¸ÅÊö
17.2. MySQL´ØµÄ»ù±¾¸ÅÄî


MySQL´Ø ÒªÇó·þÎñÆ÷ÊÇÔÚÒ»¸ö¾ÖÓòÍøÖ®ÄڲſÉÒÔ¡£¹ãÓòÍøÉϺÜÄѳɹ¦°¡¡£

Mysql Replication ¹¦ÄÜ¿ÉÒÔ×öË«ÏòµÄÂð  ÎÒµÄÐèÇóÊÇÁ½Ì¨·þÎñÆ÷ÉϵÄÊý¾Ý¿âÊý¾Ý¿ÉÒÔ»¥Ïàͬ²½£¬¿ÉÒÔʵÏÖÂ𣿠ÎÒ¿´µ½MysqlÊÖ²áÀ

The target uses for replication in MySQL include:

Scale-out solutions - spreading the load among multiple slaves to improve performance. In this environment, all writes and updates must take place on the master server. Reads, however, may take place on one or more slaves. This model can improve the performance of writes (since the master is dedicated to updates), while dramatically increasing read speed across an increasing number of slaves.

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