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MySQL master-Slave synchronization Service Principle

Source: Internet
Author: User
Tags log log
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  1. Master-Slave synchronization is an asynchronous replication process. The Bin-log log feature is turned on on master.
    Master Open IO thread slove open IO thread SQL thread

  2. Execute slave from server start by authorizing user to connect on master
    Request Master to send Bin-log log content

  3. ！！！
    Master accepts slave IO thread request and returns to slave IO thread


4. After slave receives the information, the received log content is added to the slave end of the
Relay-log the end of the file and bin-log the log file name Master-info

5. Slave's SQL thread detects that a new content has been added to the relay-log and immediately resolves the execution


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MySQL master-Slave synchronization Service Principle

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Related Keywords:
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