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A little signal. Less noise.

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RADARGood tools open new possibilities.Explore thoughtfully. Create freely.

Skip to content

A little signal. Less noise.

DISCOVER

Catalog Categories

CATEGORIES

Categories will appear when the source is connected.

More possibility. Less searching.

A considered collection of AI tools, trials, and opportunities.

RADAR / PostgreSQLStorage available

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A little signal. Less noise.

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Redis键过期失效?这个坑我踩得明明白白

掘金

About this offer

"明明设置了过期时间,为什么内存还是被打爆了?"——这是去年我们在一个日均千万级UV的推荐系统里遇到的灵异事件。Redis集群频繁触发内存告警,但监控显示所有key都设置了24小时TTL。你以为的"自

Offer details

Provider: 掘金
Source: juejin-rss
Score: 57.32
Confidence: 54%

Source evidence

What RADAR observed and classified to build this opportunity. It is what the source published, not a verification that the offer is still active.

JuejinObserved: Oct 2, 2026Source reliability: 60%
Redis键过期失效?这个坑我踩得明明白白. "明明设置了过期时间,为什么内存还是被打爆了?"——这是去年我们在一个日均千万级UV的推荐系统里遇到的灵异事件。Redis集群频繁触发内存告警,但监控显示所有key都设置了24小时TTL。你以为的"自
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Redis键过期失效?这个坑我踩得明明白白

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The catalog shows persisted RADAR opportunities. Storage availability does not mean sources are verified or offers are active.

RADARGood tools open new possibilities.Explore thoughtfully. Create freely.