Stringredistemplate disconnects and the value disappears

Use StringRedisTemplate preservation hash Data time , When the service is not shut down, you can use the client to find redis The value in . disconnect redis This value is lost , I don't know what it is

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Take the answer ：

redis Save values are used as a cache , On the server redis A service outage is equivalent to a memory outage. This value cannot be found , You can take redis Copy a copy of the value in java In a variable or object of a program , In this way, you can still get this value when the service is shut down

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