591 K1: Data Stream Processing and Analytics Spring 2020 ## 4 /02: Elasticity policies and state migration Vasiliki (Vasia) Kalavri vkalavri@bu.edu Streaming applications are long-running • Workload will f3e1cf40dbd5bcd/p66_1.jpg) Re-configuration requires state migration with correctness guarantees. ## State migration ## State migration strategies ## • Stop-and-restart • halt the whole computation during migration if the state is large ## • Progressive • move state to be migrated in smaller pieces, e.g. key-by-key • can be used to interleave state transfer with processing • migration duration

Articles Controller 3 Migration Guides 4.0 Upgrade Guide 4.0 Migration Guide 4.1 Migration Guide 4.2 Migration Guide 4.3 Migration Guide 4.4 Migration Guide 4.5 Migration Guide 4 Tutorials 43 Debug Kit 933 44 Migrations 935 45 ElasticSearch 937 46 Appendices 939 4.x Migration Guide 939 Backwards Compatibility Shimming 942 Forwards Compatibility Shimming 942 General actions for our Tags and Users tables. # Migration Guides Migration guides contain information regarding the new features introduced in each version and the migration path between 3.x and 4.x. ### 4. 0 Upgrade

Delete Action • 3.x Migration Guide • 3.10 Migration Guide • 3.10 Migration Guide • 3.9 Migration Guide • 3.9 Migration Guide • 3.8 Migration Guide • 3 3.8 Migration Guide • 3.7 Migration Guide • 3.7 Migration Guide • 3.6 Migration Guide • 3.6 Migration Guide 3.5 Migration Guide 3.5 Migration Guide 3.4 Migration Guide 3.4 Migration Guide 3.3 Migration Guide 3.3 Migration Guide 3.2 Migration Guide 3.2 Migration Guide 3.1 Migration Guide 3.0 Migration Guide 3.0 Migration Guide 3.0 Migration Guide New

Template • Update Validation Rules for Articles • Add Delete Action • Migration Guides • 4.0 Upgrade Guide • Fix Deprecation Warnings • Upgrade to PHP Application.php • 4.0 Migration Guide • Deprecated Features Removed • Deprecations • Breaking Changes ■ New Features • 4.1 Migration Guide • Upgrading to 4 New Features • 4.2 Migration Guide • Upgrading to 4.2.0 • Deprecations • Behavior Changes • Breaking Changes • New Features • 4.3 Migration Guide • Upgrading

listed in the release notes (Appendix E); pay particular attention to the section labeled "Migration". Though you can upgrade from one major version to another without upgrading to intervening integrated with the operating system facilities required for successful failover, such as IP address migration. Once failover to the standby occurs, there is only a single server in operation. This is known extension — it will just include a CREATE EXTENSION command in dumps, instead. This vastly simplifies migration to a new version of the extension that might contain more or different objects than the old version

Contents Chapter 1 - Introduction 11 About Navicat 11 Installation 14 Registration 14 Migration / Upgrade 15 End-User License Agreement 16 Chapter 2 - User Interface 23 Main Window 23 Window 161 Subscribe Channels 162 Channel Colorings 163 Chapter 11 - Data Migration Tools 164 About Data Migration Tools 164 Import Wizard 164 About Import Wizard 164 Choose File Format 164 sign in your Navicat ID in another Navicat, you will be signed out from the current Navicat. ## Migration / Upgrade Migrate Navicat to a new computer 1. In Navicat, choose File -> Export Connections

System-side Deployment • Client-side Usage • How to Hot Upgrade Kyuubi Server • Kyuubi Migration Guide • Upgrading from Kyuubi 1.8.0 to 1.8.1 • Upgrading from Kyuubi 1.7 to 1.8 actually stopped since the new coming session are routed to the new Kyuubi server and others. # Kyuubi Migration Guide ###### Upgrading from Kyuubi 1.8.0 to 1.8.1 • Since Kyuubi 1.8.1, for DELETE /batches/${batchId}

listed in the release notes (Appendix E); pay particular attention to the section labeled "Migration". Though you can upgrade from one major version to another without upgrading to intervening integrated with the operating system facilities required for successful failover, such as IP address migration. Once failover to the standby occurs, there is only a single server in operation. This is known extension — it will just include a CREATE EXTENSION command in dumps, instead. This vastly simplifies migration to a new version of the extension that might contain more or different objects than the old version