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Merge pull request #1315 from Silverados/patch-8

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Update 分布式id生成方案总结.md
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@ -171,7 +171,7 @@ OK
RDB持久化相当于定时打一个快照进行持久化，如果打完快照后，连续自增了几次，还没来得及做下一次快照持久化，这个时候Redis挂掉了，重启Redis后会出现ID重复。
AOF持久化相当于对每条写命令进行持久化，如果Redis挂掉了，不会出现ID重复的现象，但是会由于incr命令过得，导致重启恢复数据时间过长。
AOF持久化相当于对每条写命令进行持久化，如果Redis挂掉了，不会出现ID重复的现象，但是会由于incr命令过多，导致重启恢复数据时间过长。
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