Its lifecycle spans the session and, therefore, is available across multiple requests from the browser.
它的生命周期跨越整个会话,因此它在来自浏览器的多个请求中都可用。
For containers that support minimal updating, you can reduce the cost of session replication by placing multiple, finer-grained objects in the session rather than one big monolithic object.
对于支持最小更新的容器,可以通过将多个细化的对象而不是一个大块头放到会话中而降低会话复制的成本。
However, the resulting performance can be worse with a multi-row schema, since gathering attributes out of the session might cause multiple queries.
不过,多行模式的性能可能相对较差,因为从会话收集属性可能会导致进行多次查询。
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