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。
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However, the resulting performance can be worse with a multi-row schema, since gathering attributes out of the session might cause multiple queries.