MySQL5.7.11 mysqlpump 多執行緒邏輯備份工具

urgel_babay發表於2016-04-29
MySql執行緒
2016.03.14
   
     為了體驗5.7.11版本帶來的新體驗，俺也是迫不及待的想測試一下，新的特性和新功能。這幾天心裡一直想著的就是5.7.11 修復版的mysqlpump。在MySQL 5.7.11之前官方也明確說了mysqlpump 不支援一致性備份。
直到5.7.11中被修復了。其中最為有看點的就是：
1. 支援基於表的多執行緒匯出功能(--default-parallelism，預設為2，--parallel-schemas，控制並行匯出的庫)
2. 匯出的時候帶有進度條（--watch-progress，預設開啟）
3. 支援直接壓縮匯出匯入（引數--compress-output，而且支援ZLIB和LZ4）

資料庫：MySQL 5.7.11 
系統：CentOS6.5 x64
測試資料量：6.1G

[root@zhangMySQL5711 mysql]#mysqlpump -uroot -pzhangmysql --single-transaction -B zhangdb >pump.sql
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  145. Dump completed in 187454 milliseconds
  146. [root@zhangMySQL5711 mysql]
下一篇，詳細介紹mysqlpump 工具的使用。

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