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关于本地缓存的剔除 about jetcache HOT 6 OPEN

wp973 avatar wp973 commented on June 8, 2024
关于本地缓存的剔除

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Comments (6)

areyouok avatar areyouok commented on June 8, 2024 1

这样做JVM有OOM的风险，而且还要引入限流类库的依赖，这只能靠你自己解决了，如果需要你可以改改代码

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areyouok avatar areyouok commented on June 8, 2024

没有这个限制。如果写多读少的话，建议就不要做本地缓存了

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wp973 avatar wp973 commented on June 8, 2024

嗯，可能有这种情况，redis中数据一天更新一次，然后更新方法是使用的DataX，速率比较快

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areyouok avatar areyouok commented on June 8, 2024

正常来说，同步的流程限速就要堵塞上游。否则上游处理飞快，下游又想限速，那中间这些数据存储在哪，存在jvm里面肯定会爆的。

削峰填谷，那是消息队列的事，不该由缓存框架来干。

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wp973 avatar wp973 commented on June 8, 2024

嗯对的，下游消费确实不应该限速。

但是对于消费方，可不可以把消费到的数据放到一个队列里(如concurrentLinkedQueue)，然后自己去控制缓存剔除的速率，这样是否可行呢？:D

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wp973 avatar wp973 commented on June 8, 2024

嗯嗯了解了，感谢大佬的回复！-v-

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