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tsai
CAP
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b8a9584d
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b8a9584d
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Aug 26, 2019
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Aug 26, 2019
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docs/content/user-guide/zh/cap/messaging.md
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@@ -32,6 +32,6 @@ CAP 接收到消息之后会将消息进行 Persistent(持久化), 有关
## 消息数据清理
数据库消息表中具有一个 ExpiresAt 字段表示消息的过期时间,当消息发送成功或者消费成功后,CAP会将消息状态为 Successed 的 ExpiresAt 设置为 1
小时
后过期,会将消息状态为 Failed 的 ExpiresAt 设置为 15天 后过期。
数据库消息表中具有一个 ExpiresAt 字段表示消息的过期时间,当消息发送成功或者消费成功后,CAP会将消息状态为 Successed 的 ExpiresAt 设置为 1
天
后过期,会将消息状态为 Failed 的 ExpiresAt 设置为 15天 后过期。
CAP 默认情况下会每隔一个小时将消息表的数据进行清理删除,避免数据量过多导致性能的降低。清理规则为 ExpiresAt 不为空并且小于当前时间的数据。 也就是说状态为Failed的消息(正常情况他们已经被重试了 50 次),如果你15天没有人工介入处理,同样会被清理掉。
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