## Nim - the first high performance language with full support for hot codereloading at runtime by Viktor Kirilov ## Me, myself and I • my name is Viktor Kirilov - from Bulgaria • creator of doctest performant programming language landscape - read: heavily biased C++ rant • Nim compilation model • hot code reloading ☐ usage & implementation ☐ ".dll" => assume .so/.dylib (platform-agnostic) libraries OR hot-patching: ☐ possible for decades - but not widely used ■ usually quite intrusive (interfaces, constraints, complicated setup) ☐ in game engines: Unreal, others... ■ hot-patching (with

other hand, it hides the complexity of business logic from the administrators. Therefore, they can upgrade components on the server side with zero maintenance downtime, optimize workloads with a clear view removing Kyuubi server instances can easily scale up or down to meet the need of client requests. • Upgrade smoothly – Kyuubi server supports stopping gracefully. We could delete a k.i. but not stop it immediately veryMode=zooKeeper; →zooKeeperNamespace=kyuubi' -n kentyao ## How to Hot Upgrade Kyuubi Server Kyuubi supports hot upgrade one of server in a HA cluster which is transparent to users. • If you have

containers 73 6 Upgrade procedure using sources 80 7 Upgrade procedure using packages 82 8 Known issues 85 9 Template changes 88 10 Upgrade notes for 3.0.0 88 11 Upgrade notes for 3.0.1 93 93 12 Upgrade notes for 3.0.2 93 13 Upgrade notes for 3.0.3 93 14 Upgrade notes for 3.0.4 93 15 Upgrade notes for 3.0.5 93 16 Upgrade notes for 3.0.6 94 17 Upgrade notes for 3.0.7 94 18 Upgrade 3.0.8 94 19 Upgrade notes for 3.0.9 94 20 Upgrade notes for 3.0.10 94 21 Upgrade notes for 3.0.11 95 22 Upgrade notes for 3.0.12 95 23 Upgrade notes for 3.0.13 95 24 Upgrade notes for 3.0.14

containers 55 6 Upgrade procedure using sources 60 7 Upgrade procedure using packages 62 8 Known issues 65 9 Template changes 66 10 Upgrade notes for 3.2.0 67 11 Upgrade notes for 3.2.1 69 69 12 Upgrade notes for 3.2.2 69 13 Upgrade notes for 3.2.3 69 14 Upgrade notes for 3.2.4 69 15 Upgrade notes for 3.2.5 70 16 Upgrade notes for 3.2.6 70 17 Upgrade notes for 3.2.7 70 18 Upgrade Upgrade notes for 3.2.8 70 19 Upgrade notes for 3.2.9 70 20 Upgrade notes for 3.2.10 71 21 Upgrade notes for 3.2.11 71 4. Quickstart 71 1 Login and configuring user 71 2 New host 75 3 New item

.. 38 6.7.3. Using the Maven Plugin ..... 38 6.7.4. Using the Gradle Plugin ..... 39 6.7.5. Hot Swapping ..... 39 6.8. Developer Tools ..... 39 6.8.1. Diagnosing Classloading Issues ..... 40 User Accounts ..... 612 17.13.3. Enable HTTPS When Running behind a Proxy Server ..... 612 17.14. Hot Swapping ..... 613 17.14.1. Reload Static Content ..... 613 17.14.2. Reload Templates without Restarting Instructions for how to upgrade from earlier versions of Spring Boot are provided on the project wiki. Follow the links in the release notes section to find the version that you want to upgrade to. Upgrading instructions

492 24.3.4. Timelines ..... 493 24.3.5. Tips and Examples ..... 494 24.3.5.1. Standalone hot backups ..... 494 24.3.5.2. Compressed Archive Logs ..... 495 24.3.5.3. archive_command scripts 509 25.5. Hot Standby ..... 509 25.5.1. User's Overview ..... 509 25.5.2. Handling query conflicts ..... 511 25.5.3. Administrator's Overview ..... 513 25.5.4. Hot Standby Parameter 11.3. Server Programming ..... 1759 E.23.3.11.4. Server Hooks ..... 1760 E.23.3.11.5. Binary Upgrade Support ..... 1760 E.23.3.12. Contrib ..... 1760 E.24. Release 8.4.22 ..... 1761 E.24.1. Migration

figure out what packages are relevant, but if there was a bug that’s already been fixed, it’s easy to upgrade and get on with what you wanted to do. ### 4.1 Jupyter fails to start • Have you installed it? pywin32 module may not be installed correctly and the following should be attempted: pip install --upgrade pywin32 or: conda install --force-reinstall pywin32 followed by: python.exe Scripts/pywin32_postinstall notebook --upgrade or conda upgrade notebook to upgrade to the latest release. We strongly recommend that you upgrade pip to version 9+ of pip before upgrading notebook. Use pip install pip --upgrade to upgrade

the previous version. Note: If the upgrade spans multiple versions then the steps from each version need to be followed in order. Note: Follow the general upgrade procedure outlined in the Upgrading Upgrading the Broker chapter in addition to any version-specific upgrade instructions outlined here. #### 2.30. 0 Full release notes Highlights: - This is mainly a bug-fix release with a few small improvements and auto-delete queues. #### 2.27. 0 Full release notes Highlights: - 2.27.0 Introduced a new upgrade tool to help migrating your instance to a newer version. - The client and broker now use SLF4J for

other hand, it hides the complexity of business logic from the administrators. Therefore, they can upgrade components on the server side with zero maintenance downtime, optimize workloads with a clear view • HA Architecture • 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 removing Kyuubi server instances can easily scale up or down to meet the need of client requests. • Upgrade smoothly • Kyuubi server supports stopping gracefully. We could delete a k.i. but not stop it immediately

calling `subject$.next(value)` • Have all operators on them any observable would • Multicast, or hot ## I mporting RxJS … this is where a lot of people make a mistake. A^s puns.component.ts