Documentationv20.0 (RC)ReferenceReferenceDetailed information about specific Vitess functionality Documentation Documentationv21.0 (Development) Overview Get Started Concepts User Guides Reference v20.0 (RC) Overview Get Started Concepts User Guides Reference v19.0 (Stable) Overview Get Started Concepts User Guides Reference v18.0 (Stable) Overview Get Started Concepts User Guides Reference v17.0 (Stable) Overview Get Started Concepts User Guides Reference Contribute Build on macOS PR Naming Conventions Build on Ubuntu/Debian Build on CentOS GitHub Workflow Coding Standards Sample First Issue Parser and AST Troubleshoot Elevated query latency on primary Primary starts up read-only Vitess sees the wrong tablet as primary FAQ Releases Release Cycle Release Team Release Notes Resources Presentations and Videos Vitess Roadmap Design Docs Query Serving Online DDL VReplication VTTablet Miscellaneous Archives Older Version Docs v16.0 (Archived) v15.0 (Archived) v14.0 (Archived) v13.0 (Archived) v12.0 (Archived) v11.0 (Archived)FeaturesReference documents for Vitess featuresShardingSequencesVTGate BufferingMonitoringMySQL Query Language ExtensionsReplicationSHOW extensionsVSchemaVindexesTwo-Phase CommitMore...Query ServingQuery Serving related reference docsReserved ConnectionsVReplicationVReplication vtctl commandsOverviewMoveTablesReshardMaterializeVDiffWorkflowLookupVindexVStreamVTTablet FlagsMetricsMore...ProgramsReference documents for list of Vitess programsmysqlctlmysqlctldtopo2topovtaclcheckvtadminvtadmin-webvtbackupvtbackupvtclientvtcomboMore...CompatibilityReference documents for MySQL compatibility with VitessMySQL CompatibilityErrorsDetailed information about errors that the user might run intoQuery ServingVTAdminvtctld API TransitionArchitectureCluster DiscoveryOperator's GuideRole-Based Access ControlRunning with Vitess Operatorvtctldclient TransitionReference material for transitioning from vtctlclient to vtctldclientOverviewLegacy ShimCommand DiffVTOrcArchitectureRunning with Vitess OperatorUI, API and MetricsBackup and RestoreBackup and Restore ReferenceMetricsViperOverviewFramework BasicsDynamic ValuesConfig Files