Cache miss doesn't much with put

[Zekariyas Kassa]

I am seeing a significant number of cache misses when using SSM with Spring. I am using @Cacheable, @CachePut, @CacheEvit with a custom key construction method specified as SpEL. 

@Cachable(value="PERSON", key="#root.target.construct(#name, #age)", unless="result == null")

Person getPerson(String name, int age){

//

}

My construct method just removes spaces and concatenate all the parameters by "," and returns.

Please help. Thanks

[Jakub Białek]

Hi,

Do you see the same behavior when using org.springframework.cache.support.SimpleCacheManager instead of SSM?

-- Ragnor 

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[Zekariyas Kassa]

It turns out there are methods that return null value and null values are not being cached since I am using "unless == null" constraint on the annotation. What this means is that get cache will give null but when it tries to cache null value it can't. Hence, the numbers don't match. Bottom line SSM is doing its job. Thanks

On Saturday, July 28, 2018 at 12:50:29 AM UTC-7, ragnor84 wrote:

Hi,

Do you see the same behavior when using org.springframework.cache.support.SimpleCacheManager instead of SSM?

-- Ragnor 

On 27 July 2018 at 21:25, Zekariyas Kassa <k.zbe...@gmail.com> wrote:

I am seeing a significant number of cache misses when using SSM with Spring. I am using @Cacheable, @CachePut, @CacheEvit with a custom key construction method specified as SpEL. 

@Cachable(value="PERSON", key="#root.target.construct(#name, #age)", unless="result == null")

Person getPerson(String name, int age){

//

}

My construct method just removes spaces and concatenate all the parameters by "," and returns.

Please help. Thanks

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