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增加强一致性模式 #4

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seanlook opened this issue Dec 15, 2017 · 0 comments

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seanlook commented Dec 15, 2017 •

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频繁更新的表，在有一点点队列延迟的情况下，有可能造成误判（现实场景概率不高）

如果指定强一致选项，原DB和目标DB查询chunk用显式 LOCK IN SHARE MODE （风险评估）

seanlook self-assigned this

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