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@ -261,7 +261,7 @@ always 选项会严重减低服务器的性能;everysec 选项比较合适,
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随着负载不断上升,主服务器可能无法很快地更新所有从服务器,或者重新连接和重新同步从服务器将导致系统超载。为了解决这个问题,可以创建一个中间层来分担主服务器的复制工作。中间层的服务器是最上层服务器的从服务器,又是最下层服务器的主服务器。
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<div align="center"> <img src="../pics//b242fafc-5945-42a8-805e-6e3f1f2f89b4.jpg"/> </div><br>
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<div align="center"> <img src="../pics//395a9e83-b1a1-4a1d-b170-d081e7bb5bab.png" width="600"/> </div><br>
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# 处理故障
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