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TIDB-K8S的实践.pdf

发布时间：2022-07-01 发布人：admin 分类：说明书 资料大小：3.15M 资料格式：pdf 举报 版权申诉
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    TiDB on Kubernetes Huang Dongxu CTO, PingCAP
    About Me ● Huang Dongxu (黄东旭) ● CTO, Co-founder of PingCAP ● Infrastructure Engineer / Open-source advocator ● Co-author of Codis / TiDB / TiKV ● MSRA => Netease => WandouLabs => PingCAP ● h@pingcap.com
    Agenda ● TiDB introduction ○ TiDB architecture ○ TiDB ecosystem ● Why combine TiDB & Kubernetes ○ Cloud vendor agnostic ○ Automation ● How we make it possible ○ TiDB Operator architecture & features ○ How we manage state ○ How we schedule stateful app
    Part I - Intro to TiDB
    Why we want to build a NewSQL Database From the beginning ● ● What’s wrong with the existing DBs? RDBMS ○ ○ NoSQL & Middleware ● NewSQL: F1 & Spanner RDBMS NoSQL NewSQL 1970s 2010 2015 Present MySQL PostgreSQL Oracle DB2... Redis HBase Cassandra MongoDB Google Spanner Google F1 TiDB PingCAP.com
    TiDB architecture TSO/Data location DistSQL API TiDB TiDB TiDB TiDB TiDB ... PD PD PD PD Cluster Metadata TiKV TiKV TiKV TiKV TiKV TiKV ... TiDB Cluster TiKV Cluster (Storage) Data location DistSQL API Spark Driver Job Worker Worker Worker ... Spark Cluster TiSpark MySQL Clients Syncer
    TiDB: Computing ● Stateless SQL layer ○ ○ Client can connect to any existing tidb-server instance TiDB *will not* re-shuffle the data across different tidb-servers ● Full-featured SQL Layer ○ Speak MySQL wire protocol ■ Why not reusing MySQL? ○ Homemade parser & lexer ○ ○ ○ DML & DDL RBO & CBO Secondary index support SQL AST Logical Plan Optimized Logical Plan Statistics Cost Model tidb-server Selected Physical Plan TiKV TiKV TiKV TiKV TiKV TiKV TiKV Cluster
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