HUAWEI CLOUD Microservice Tool Improves Development Efficiency Department: Application Platform Service Author: Wang Qijun Date: 2019-09-20 Security Level: Contents 1. Tool for Splitting Monolithic Monolithic Applications into Microservices 2. Contract Management Tool 3 Advantages of the Microservice Architecture Factor Monolithic Architecture Microservice Architecture Delivery speed Slow Fast Fault isolation difficulty: identifying relevant code modifications Core technology: application-level formal verification Tool for Splitting Monolithic Applications into Microservices Improves Development Efficiency Supported

Build a lightweight logging and tracing tool with Apache Arrow, Parquet and DataFusion 朱霜 2023.06.18 1. Introduction 2. Duo - Observability duet: Logging and Tracing • What is Duo? • How does single command ? ? ? Easy client integration Suit for local development Easy to install and upgrade ? ? ? Duo - How to reduce complexity? Duo - Observability duet: Logging and Tracing Duo - Observability

9Proprietary + Confidential Large Scale Refactorings & Automated Refactoring Tools 10 10Refactoring Tool Use Cases 02 11Proprietary + Confidential Consistent Code Formatting 12 12Proprietary + Confidential

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 2.3.6 System wide upgrade . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58 2.4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69 2.7.3 Automatic download and upgrade of packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 2.7.4 Updates and Backports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233 12.16List of build tool packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1 Getting Started 1.1 Prerequisites 1.1.1 Install cURL Download the latest version of the cURL tool if it is not already installed or if you get errors running the curl commands from the documentation install NPM, however it is recommended that you confirm the version of NPM installed. You can upgrade the npm tool with the following command: 4 Chapter 1. Getting Started hyperledger-fabricdocs Documentation easily define and use assets in your Hyperledger Fabric applications using the Hyperledger Composer tool. 2.3.2 Chaincode Chaincode is software defining an asset or assets, and the transaction instructions

endorsement and validation logic per chaincode. 2.1.1 New tutorials • Upgrade to version v1.2: Leverages the BYFN network to show how an upgrade flow should work. Includes both a script (which can serve as a and/or operating Hyperledger Fabric. 3.1.1 Install cURL Download the latest version of the cURL tool if it is not already installed or if you get errors running the curl commands from the documentation install NPM, however it is recommended that you confirm the version of NPM installed. You can upgrade the npm tool with the following command: 12 Chapter 3. Getting Started hyperledger-fabricdocs Documentation

way to keep identities anonymous and unlinkable through the use of zero-knowledge proofs. There is a tool that can generate Identity Mixer credentials in test environments known as idexmigen, the documentation tutorials • Upgrading to the Newest Version of Fabric: Leverages the BYFN network to show how an upgrade flow should work. Includes both a script (which can serve as a template for upgrades), as well as easily define and use assets in your Hyperledger Fabric applications using the Hyperledger Composer tool. 4.3.2 Chaincode Chaincode is software defining an asset or assets, and the transaction instructions

chaincode becomes active on a channel. • More deliberate chaincode upgrade process In the previous chaincode lifecycle, the upgrade transaction could be issued by a single organization, creating a risk for a chaincode to be upgraded only after a sufficient number of organizations have approved the upgrade. • Simpler endorsement policy and private data collection updates Fabric lifecycle allows you to additional upgrade considerations. Rest assured though, that rolling upgrades from v1.4.x to v2.x are supported, so that network components can be upgraded one at a time with no downtime. The upgrade docs have

smart contracts, and new options for operating nodes. What has stayed the same is the ability to upgrade network components on your own terms, with support for rolling upgrades from v1.4.x, and the ability chaincode becomes active on a channel. • More deliberate chaincode upgrade process In the previous chaincode lifecycle, the upgrade transaction could be issued by a single organization, creating a risk for a chaincode to be upgraded only after a sufficient number of organizations have approved the upgrade. • Simpler endorsement policy and private data collection updates Fabric lifecycle allows you to

chaincode becomes active on a channel. • More deliberate chaincode upgrade process In the previous chaincode lifecycle, the upgrade transaction could be issued by a single organization, creating a risk for a chaincode to be upgraded only after a sufficient number of organizations have approved the upgrade. • Simpler endorsement policy and private data collection updates Fabric lifecycle allows you to additional upgrade considerations. Rest assured though, that rolling upgrades from v1.4.x to v2.x are supported, so that network components can be upgraded one at a time with no downtime. The upgrade docs have