Significance and configuration of transaction attributes
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Java
When using the jpatemplate provided by spring to query, if the amount of data exceeds 100, the query efficiency will be significantly reduced. Since the two-way association within JPA is used at the beginning, there are too many internal associations among entities, affecting all operations. Therefore, it is suspected that it is due to the association relationship of JPA. However, the effect after removing the correlation is not significant.
Configuration issues.
Using the above configuration, the log printed by JPA shows that each query needs to be updated. After consulting the relevant spring data, it is found that the meanings of various attributes of transactionattributes are as follows:
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