default_batch_fetch_size建议值 [英] default_batch_fetch_size recommended values

问题描述

我正在阅读一些休眠教程，并且陷入了default_batch_fetch_size的困境.阅读有关"可以在性能敏感的应用程序中使用Hibernate的专家的评论吗?"清楚地说明了重要性，但我试图理解为什么在链接中使用推荐值4、8、16或32.

I was going through some hibernate tutorials and got stuck on default_batch_fetch_size. Reading expert comments on "Can Hibernate be used in performance sensitive applications?" clearly explained the significance but I am trying to understand why are the recommended values 4, 8, 16 or 32 as used in the link.

关于塔伦(Tarun)

Regards Tarun

推荐答案

我们在生产中使用hibernate.default_batch_fetch_size = 100.因此，在某些情况下，我们有3个查询而不是300个查询，因此对于我们的数据库来说是一个很好的性能提升.

We are using hibernate.default_batch_fetch_size = 100 in production. So we have an 3 queries instead of 300 in some cases, so it's a good perf boost for our database.

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