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网络感知的分层存储:“热”、“温”、“冷”数据的成本与性能平衡术
发布时间:2025-08-28
存储介质上、并通过同一种网络路径进行访问,是一种极其低效和浪费的策略。一个精细化的、具备成本效益的数据管理体系,必须引入“分层存储”的概念,并为不同层级的数据,匹配具备“网络感知”能力的、差异化的访问策略。","marks":[]}]}],"state":{}},{"type":"block","id":"7IZF-1756352220372","name":"paragraph","data":{"style":{"lineHeight":"1.15"},"version":1},"nodes":[{"type":"text","id":"WivJ-1756352220371","leaves":[{"text":"数据温度的三层划分:","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]}]}],"state":{}},{"type":"block","id":"mTmZ-1756352220375","name":"list-item","data":{"listId":"MNpy-1756352220498","listLevel":1,"listType":"ordered","style":{"lineHeight":"1.15"},"version":1},"nodes":[{"type":"text","id":"D7KL-1756352220374","leaves":[{"text":"“热”数据层(Hot Tier):毫秒必争的核心战场","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]}]}],"state":{"index":1}},{"type":"block","id":"8t8z-1756352220377","name":"list-item","data":{"listId":"1DxR-1756352220499","listLevel":2,"listType":"unordered","style":{"lineHeight":"1.15"},"version":1},"nodes":[{"type":"text","id":"vxCv-1756352220376","leaves":[{"text":"数据类型:","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]},{"text":" 当前直播间的实时用户评论、正在进行的广告竞价所需的用户画像标签、高频交易的商品实时库存。","marks":[]}]}],"state":{"index":1}},{"type":"block","id":"0WQl-1756352220379","name":"list-item","data":{"listId":"1DxR-1756352220499","listLevel":2,"listType":"unordered","style":{"lineHeight":"1.15"},"version":1},"nodes":[{"type":"text","id":"yJG6-1756352220378","leaves":[{"text":"存储介质:","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]},{"text":" 性能最高的内存数据库(In-Memory DB如Redis)或NVMe SSD。","marks":[]}]}],"state":{"index":2}},{"type":"block","id":"dJyv-1756352220381","name":"list-item","data":{"listId":"1DxR-1756352220499","listLevel":2,"listType":"unordered","style":{"lineHeight":"1.15"},"version":1},"nodes":[{"type":"text","id":"bGVR-1756352220380","leaves":[{"text":"网络需求:","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]},{"text":" 必须通过","marks":[]},{"text":"最低延迟、最高优先级","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]},{"text":"的网络路径进行访问。SD-WAN策略中,应为访问“热”数据层的流量,打上最高的QoS标记(如DSCP EF),并为其匹配亚毫秒级的、数据中心内部的直连光纤,或跨区域的、经过极致优化的专线。其网络目标是:","marks":[]},{"text":"不计成本地追求极致响应速度。","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]}]}],"state":{"index":3}},{"type":"block","id":"9Rob-1756352220384","name":"list-item","data":{"listId":"MNpy-1756352220498","listLevel":1,"listType":"ordered","style":{"lineHeight":"1.15"},"version":1},"nodes":[{"type":"text","id":"v4Xu-1756352220383","leaves":[{"text":"“温”数据层(Warm Tier):秒级响应的战术仪表盘","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]}]}],"state":{"index":2}},{"type":"block","id":"5NoW-1756352220386","name":"list-item","data":{"listId":"enAY-1756352220500","listLevel":2,"listType":"unordered","style":{"lineHeight":"1.15"},"version":1},"nodes":[{"type":"text","id":"W590-1756352220385","leaves":[{"text":"数据类型:","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]},{"text":" 过去24小时的销售报表、上周的广告活动效果数据、本月的内容互动趋势分析。","marks":[]}]}],"state":{"index":1}},{"type":"block","id":"vm8Z-1756352220388","name":"list-item","data":{"listId":"enAY-1756352220500","listLevel":2,"listType":"unordered","style":{"lineHeight":"1.15"},"version":1},"nodes":[{"type":"text","id":"s6qA-1756352220387","leaves":[{"text":"存储介质:","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]},{"text":" 高性能的数据仓库(如Snowflake, BigQuery)或标准SSD云盘。","marks":[]}]}],"state":{"index":2}},{"type":"block","id":"mbh0-1756352220390","name":"list-item","data":{"listId":"enAY-1756352220500","listLevel":2,"listType":"unordered","style":{"lineHeight":"1.15"},"version":1},"nodes":[{"type":"text","id":"x63n-1756352220389","leaves":[{"text":"网络需求:","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]},{"text":" 需要","marks":[]},{"text":"高带宽、稳定可靠","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]},{"text":"的连接,但对延迟的敏感度低于热数据。SD-WAN策略可以将其流量标记为次高优先级,通过标准的、有SLA保障的企业级专线进行传输。其网络目标是:","marks":[]},{"text":"在可控的成本内,保障BI系统和运营分析师能够流畅地进行交互式查询。","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]}]}],"state":{"index":3}},{"type":"block","id":"T9hn-1756352220393","name":"list-item","data":{"listId":"MNpy-1756352220498","listLevel":1,"listType":"ordered","style":{"lineHeight":"1.15"},"version":1},"nodes":[{"type":"text","id":"QMAc-1756352220392","leaves":[{"text":"“冷”数据层(Cold Tier):经济高效的数字档案室","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]}]}],"state":{"index":3}},{"type":"block","id":"UsCQ-1756352220395","name":"list-item","data":{"listId":"1cyE-1756352220501","listLevel":2,"listType":"unordered","style":{"lineHeight":"1.15"},"version":1},"nodes":[{"type":"text","id":"OCDx-1756352220394","leaves":[{"text":"数据类型:","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]},{"text":" 数月或数年前的直播录像、原始日志文件、用于合规审计的存档数据。这些数据访问频率极低,但必须被长期、安全地保存。","marks":[]}]}],"state":{"index":1}},{"type":"block","id":"uinR-1756352220397","name":"list-item","data":{"listId":"1cyE-1756352220501","listLevel":2,"listType":"unordered","style":{"lineHeight":"1.15"},"version":1},"nodes":[{"type":"text","id":"9eSj-1756352220396","leaves":[{"text":"存储介质:","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]},{"text":" 成本最低的归档存储(如AWS Glacier, Google Archive Storage),或部署在印尼本地的、符合法规要求的磁带库。","marks":[]}]}],"state":{"index":2}},{"type":"block","id":"yV00-1756352220399","name":"list-item","data":{"listId":"1cyE-1756352220501","listLevel":2,"listType":"unordered","style":{"lineHeight":"1.15"},"version":1},"nodes":[{"type":"text","id":"chD6-1756352220398","leaves":[{"text":"网络需求:","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]},{"text":" 对访问延迟几乎没有要求,但当需要取回(Restore)数据时(例如,为AI模型训练准备历史数据集),需要能够支持","marks":[]},{"text":"大吞吐量、长时间的批量传输","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]},{"text":"。SD-WAN策略可以将这类流量标记为最低优先级,甚至可以配置为只在夜间网络空闲时,才允许进行传输,以避免对核心业务造成影响。其网络目标是:","marks":[]},{"text":"以最低的单位存储和传输成本,满足长期归档的需求。","marks":[{"type":"bold"},{"type":"color","value":"#1b1c1d"},{"type":"backgroundColor","value":"rgba(0, 0, 0, 0)"}]}]}],"state":{"index":3}},{"type":"block","id":"3ytq-1756352220402","name":"paragraph","data":{"style":{"lineHeight":"1.15"},"version":1},"nodes":[{"type":"text","id":"nRdt-1756352220401","leaves":[{"text":"通过这套“网络感知”的分层存储策略,企业可以像一位高明的投资经理一样,将其数据资产,根据其不同的“流动性”和“价值”,配置到不同的、风险收益特征匹配的“投资组合”中。这是一种在性能和成本之间,寻求最佳平衡点的、数据全生命周期的管理智慧。2025 年,携手一万网络,开启 TikTok 直播新纪元!尊享专线 SD-WAN+英国原生 IP,全球跨境电商专线,一路畅连东南亚 (< 100 ms)。海量带宽扩容,极速调度,专业团队全程护航;正规渠道,大户福利,享超值价格!企业级定制方案 + 全天候 7×24 技术支持,助您从容应对流量激增,抢占流量高地!立刻致电 4000-968-869,尊享专属升级特权!","marks":[]}]}],"state":{}}]" style="font-size: medium; white-space: normal;">在一家TikTok运营企业所拥有的、PB级别的海量数据资产中,并非所有数据的价值和访问频率都是均等的。将去年一场直播的高清原始录像,与当前正在进行的一场直播的用户实时互动数据,存放在同一种存储介质上、并通过同一种网络路径进行访问,是一种极其低效和浪费的策略。一个精细化的、具备成本效益的数据管理体系,必须引入“分层存储”的概念,并为不同层级的数据,匹配具备“网络感知”能力的、差异化的访问策略。
数据温度的三层划分:
“热”数据层(Hot Tier):毫秒必争的核心战场
数据类型: 当前直播间的实时用户评论、正在进行的广告竞价所需的用户画像标签、高频交易的商品实时库存。
存储介质: 性能最高的内存数据库(In-Memory DB如Redis)或NVMe SSD。
网络需求: 必须通过最低延迟、最高优先级的网络路径进行访问。SD-WAN策略中,应为访问“热”数据层的流量,打上最高的QoS标记(如DSCP EF),并为其匹配亚毫秒级的、数据中心内部的直连光纤,或跨区域的、经过极致优化的专线。其网络目标是:不计成本地追求极致响应速度。
“温”数据层(Warm Tier):秒级响应的战术仪表盘
数据类型: 过去24小时的销售报表、上周的广告活动效果数据、本月的内容互动趋势分析。
存储介质: 高性能的数据仓库(如Snowflake, BigQuery)或标准SSD云盘。
网络需求: 需要高带宽、稳定可靠的连接,但对延迟的敏感度低于热数据。SD-WAN策略可以将其流量标记为次高优先级,通过标准的、有SLA保障的企业级专线进行传输。其网络目标是:在可控的成本内,保障BI系统和运营分析师能够流畅地进行交互式查询。
“冷”数据层(Cold Tier):经济高效的数字档案室
数据类型: 数月或数年前的直播录像、原始日志文件、用于合规审计的存档数据。这些数据访问频率极低,但必须被长期、安全地保存。
存储介质: 成本最低的归档存储(如AWS Glacier, Google Archive Storage),或部署在印尼本地的、符合法规要求的磁带库。
网络需求: 对访问延迟几乎没有要求,但当需要取回(Restore)数据时(例如,为AI模型训练准备历史数据集),需要能够支持大吞吐量、长时间的批量传输。SD-WAN策略可以将这类流量标记为最低优先级,甚至可以配置为只在夜间网络空闲时,才允许进行传输,以避免对核心业务造成影响。其网络目标是:以最低的单位存储和传输成本,满足长期归档的需求。
通过这套“网络感知”的分层存储策略,企业可以像一位高明的投资经理一样,将其数据资产,根据其不同的“流动性”和“价值”,配置到不同的、风险收益特征匹配的“投资组合”中。这是一种在性能和成本之间,寻求最佳平衡点的、数据全生命周期的管理智慧。2025 年,携手一万网络,开启 tiktok">TikTok 直播新纪元!尊享专线 SD-WAN+英国原生 IP,全球跨境电商专线,一路畅连东南亚 (< 100 ms)。海量带宽扩容,极速调度,专业团队全程护航;正规渠道,大户福利,享超值价格!企业级定制方案 + 全天候 7×24 技术支持,助您从容应对流量激增,抢占流量高地!立刻致电 4000-968-869,尊享专属升级特权!
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