[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-08-12 (世界標準時間)。"],[[["This page covers best practices for using Datastream, including modifying a stream's source database and creating custom alerts."],["To change a stream's source database, create a connection profile for the replica instance, start a new stream with historical backfill disabled, and then pause the original stream."],["Datastream offers a dashboard for debugging, and custom alerting policies can be set up for key metrics like data freshness, stream unsupported event count, and stream total latencies."],["For optimal performance, it is recommended that a single Datastream stream includes no more than 10,000 tables, with consideration for the impact on the source database if multiple streams are used."]]],[]]