Multiple clusters can be created per domain, multiple instances can be created per cluster, with up to 100 instances per domain.

每个域可以创建多个集群，每个集群可以创建多个实例，每个域最多可以有100个实例。

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By default, this has a limit of 100 KB per domain.

默认情况下，每个域有100 KB的限制。

youdao

Notification strategies are usually either distributed (per object), or centralized (per domain).

通知策略通常是分布式的(每对象)或集中式的(每域)。

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But it has one of the world's highest per-capita levels of domain registrations.

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