使用mysql cdc 全量快照+增量同步时,全量并发数远远大于增量时的单并发数,有没有回收这些资源的办法 #894
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wangyusong001
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可以考虑将同步任务拆分成快照和增量两个单独的任务。 |
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可以通过脚本去监控是否完成全量,监控到完成增量后进行缩容 |
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使用多个实例生成全量索引,完毕之后保存状态停止,然后用少量实例从保存的状态启动job就行了 |
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全量同步快照时,指定4个并发同步,但这种操作往往进行一次,当到了增量同步时,会有3个slot长期空闲。任务数量比较多,我们想实现自动化的流程,那就会有下面的问题
问题:
1.是否有实现自动回收的能力
2.如果需要手动重启回收,有没有办法能判断全量快照已经完成
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