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Recent Announcements

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Amazon Managed Service for Prometheus 现在支持乱序样本摄...
Amazon Web Services · 2026-06-11 · via Recent Announcements

Amazon Managed Service for Prometheus 现在支持乱序样本摄取和工作区级别的规则查询偏移。所有工作区的默认乱序时间窗口均为 1 分钟,这使得工作区能够接受未严格按时间顺序到达的指标样本。您可以根据摄取模式调整此窗口,或将其设置为 0 以禁用该功能并丢弃乱序样本。您还可以配置全局规则查询偏移量,在规则评估查询运行之前引入延迟,让延迟到达的样本有时间在规则执行之前被摄取。

对于具有分布式收集器、批量导出或可变网络延迟的工作负载,这两项功能可以协同运作,从而减少数据丢失并提高提醒准确性。乱序样本支持可确保延迟到达的数据点被摄取而不是丢弃,从而保持指标的完整性。规则查询偏移量可补偿预期的摄取延迟。如果没有它,规则会立即进行评估,并且可能会漏掉尚未到达的样本,导致结果与所有指标到达后评估的同一表达式不同。CloudWatch 提供的两项新指标,即 OutOfOrderIngestionRate 和 OutOfOrderSampleAge,让您能够了解摄取模式,有助于针对工作负载调整这两项设置。 

乱序样本摄取和规则查询偏移已在正式发布 Amazon Managed Service for Prometheus 的所有 AWS 区域推出。要开始使用,请通过 AWS 管理控制台、API 或 CLI 在工作区设置中配置乱序时间窗口和规则查询偏移量。有关更多信息,请参阅 Amazon Managed Service for Prometheus 用户文档