The edge cache time-to-live(TTL)is the period of time during which origin resources are cached on Edge Security Acceleration(ESA)points of presence(POPs).When the TTL ends,resources that are cached on POPs are marked as ...
TTL定义的属性确定后，您就可以 创建TTL表，示例如下：ALTER TABLE `my_ttl_tbl` MODIFY TTL SET TTL_ENABLE='ON',TTL_CLEANUP='OFF',TTL_EXPR=`date_field` EXPIRE AFTER 1 MONTH TIMEZONE '+08:00',TTL_JOB=CRON '0 0 2*/1*?' TIMEZONE '...
TTL是Time-To-Live的缩写，生存时间，全国各地的LocalDNS服务器中解析记录的缓存时间周期一般默认为权威DNS中设置的TTL值。TTL的生效机制 当各地的LocalDNS服务器接收到解析请求查询时，就会向权威DNS（例如云解析DNS）发起解析请求查询，...
ttl"="180","nas_enabled"="true","nas_ttl"="180","appconnect_enabled"="false","appconnect_ttl"="180","cps_enabled"="true","cps_ttl"="180","k8s_audit_enabled"="true","k8s_audit_collection_policy"="","k8s_audit_ttl"="180","k8...
The time to live(TTL)is an attribute of search indexes that specifies the retention period of data in search indexes.You can specify the TTL of a search index.When data in the search index is retained for a period of time ...
Browser cache time-to-live(TTL)defines how long resources(such as HTML,CSS,JavaScript files,and images)are stored in the local browser cache.By default,it follows the Cache-Control header settings of the origin.You can ...
为表添加TTL定义后，如需高压缩、低成本的存储TTL的所有数据（基于列存索引，存储在远端对象存储（OSS）），您可以为TTL表创建对应的归档表。版本限制 按行归档的版本要求 引擎版本为MySQL 5.7时，实例版本必须是polardb-2.4.0_5.4.19-...
The time to live(TTL)is an attribute of search indexes that specifies the retention period of data in search indexes.You can specify the TTL of a search index.When data in the search index is retained for a period of time ...
In real-world business scenarios,you might need to implement cold data archiving(TTL)for tables that already have a Clustered Columnar Index(CCI).To address this,PolarDB-X lets you implement both CCI and TTL-based ...
If you want to set different edge cache TTLs for different requests,create cache rules and specify cache settings and request characters in the rules.Note You can also set global Edge cache TTL.Procedure In the ESA console...
The time to live(TTL)is an attribute of search indexes that specifies the retention period of data in search indexes.You can specify the TTL of a search index.When data in the search index is retained for a period of time ...
perform operations based on the actual situation.If the new TTL of the data table is smaller than the TTL of the secondary index,change the TTL of the secondary index to a value that is smaller than or equal to the new TTL...
TTL TTL 表示数据时效。示例代码 设置 ttl，单位为秒：tsdb.ttl(time);获取 ttl，单位为秒：int ttl=tsdb.ttl();Suggest 查询 Metric，TagKey，TagValue。示例代码 查询以 hel 开头的 10 个 Metric 名称：List String metrics=tsdb.suggest...
cache_ttl(type,ttl)Description Sets a time-to-live(TTL)value for cached resources.Parameter type The cache type.Valid values:path and code.Data type:character.ttl If the type parameter is set to path,the ttl parameter ...
The time to live(TTL)is an attribute of search indexes that specifies the retention period of data in search indexes.You can specify the TTL of a search index.When data in the search index is retained for a period of time ...
cache_ttl(type,ttl)Description Sets a time-to-live(TTL)value for cached resources.Parameter type The cache type.Valid values:path and code.Data type:character.ttl If the type parameter is set to path,the ttl parameter ...
冷数据归档功能可以为您有效的降低数据存储成本，同时保证查询性能，本文为您介绍TTL的技术原理。名词解释 名词 说明 TTL 在数据库领域中，TTL 是"Time To Live"的缩写，直译为"（数据的）存活时间"，即数据存储在数据库中可以保存的时间...
cache_ttl(type,ttl)Description Sets a time-to-live(TTL)value for cached resources.Parameter type The cache type.Valid values:path and code.Data type:character.ttl If the type parameter is set to path,the ttl parameter ...
If you want to delete historical data in an analytical store or extend the retention period of data in an analytical store,you can call the UpdateTimeseriesAnalyticalStore operation to update the time to live(TTL)...
If you want to delete historical data in an analytical store or extend the retention period of data in an analytical store,you can call the UpdateTimeseriesAnalyticalStore operation to update the time to live(TTL)...
see Dynamic Table Options.Query hints Lookup join hints For information about how to use lookup join hints,see JOIN hints for dimension tables.State TTL hints State time-to-live(TTL)configurations reduce the state sizes of...
If the TTL value of the returned DNS record is greater than 86,400 seconds,the cache system rewrites the TTL value to 86,400 seconds.If the TTL value of the returned DNS record is less than 10 seconds,the cache system ...
If you want to use different browser cache TTLs in different business scenarios,you can create multiple cache rules and specify different cache policies for the rules.Set up browser cache TTL In the ESA console,choose ...
概述 Android SDK是基于 移动解析HTTPDNS 的 DoH JSON API 的封装，提供Java函数接口给Android APP进行域名解析，并且提供了基于TTL和LRU策略的高效域名缓存功能。开发者可以在自己的Android APP中轻松接入 移动解析HTTPDNS，解决域名解析...
Each row of data in Tablestore occupies storage space.If max versions and time to live(TTL)are not configured for a table,each row of data includes only the column name and data value.If max versions or TTL is configured ...
see Rule expression components.In the Bypass Cache section,specify whether to bypass cache.For more information,see Cache eligibility.In the Edge Cache TTL section,click Configure.Click Add next to Status Code Cache TTL,...
根据传入参数更新GTM3.0 实例全局TTL配置。调试 您可以在OpenAPI Explorer中直接运行该接口，免去您计算签名的困扰。运行成功后，OpenAPI Explorer可以自动生成SDK代码示例。调试 授权信息 下表是API对应的授权信息，可以在RAM权限策略语句...
什么是基础配置 全局流量管理实例的基础信息配置，包括：实例名称、CNAME接入域名、业务域名、全局TTL、报警通知组、报警通知方式 相关信息。设置方法 访问 云解析DNS-全局流量管理。进入全局流量管理的实例列表页，单击目标实例 操作 列的...
Modifying the TTL has the following effects:When you decrease the TTL:Hologres deletes expired data versions in the background under the new TTL.Queries for data beyond the new TTL will fail.When you increase the TTL:Data ...
After you create a search index,you can call the UpdateSearchIndex operation to update the configurations of the search index.This topic describes how to use Tablestore SDK for Python to update the time to live(TTL)of a ...
After you create a search index,you can call the UpdateSearchIndex operation to update the configurations of the search index.This topic describes how to use Tablestore SDK for Java to update the time to live(TTL)of a ...