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BCS Operations That Can Be Recorded by CTS BCS is a highly available and secure blockchain platform with superb performance. It helps enterprises and developers create, deploy, and manage applications and smart contracts conveniently and cost-effectively on Huawei Cloud. With CTS,
What Are the Specifications of VMs to Be Purchased for BCS? Purchase virtual machine (VM) resources to deploy and run the BCS instances. VMs of the following specifications are recommended. Table 1 Suggestions on VM purchase Business Phase Consensus Algorithm Recommended VM Specifications
Does BCS Support Customized Development? No. BCS does not support customized development, but it provides demos. For details, see Go SDK Demo in the Developer Guide. Parent topic: Consultation
Listing Entity Monitoring Data of a BCS Service Function This API is used to query the monitoring data list of entities of a BCS service. URI POST /v2/{project_id}/blockchains/{blockchain_id}/entity/metric/list Table 1 Path Parameters Parameter Mandatory Type Description project_id
Querying Entity Monitoring Details of a BCS Service Function This API is used to query the monitoring details of entities of a specified BCS service. URI POST /v2/{project_id}/blockchains/{blockchain_id}/entity/instance/metric/list Table 1 Path Parameters Parameter Mandatory Type
Example 1: Creating a BCS Service Scenario This section describes how to create a BCS service by calling an API. Related APIs of Other Services None Creating a BCS Service URI format POST /v2/{project_id}/blockchains Example request POST https://{bcs_endpoint}/v2/{project_id}/blockchains
How Well Does BCS Perform? The following performance data is obtained from the pressure test carried out by using a 32 vCPUs | 64 GB ECS and two clients. Table 1 Performance in different scenarios Scenario Performance ECDSA + FBFT Supported concurrency: 50; TPS (consistency maintained
What Underlying Framework Is Used for Huawei Cloud BCS? Huawei Cloud BCS uses the Hyperledger open-source framework. Hyperledger is a blockchain open-source project hosted by the Linux Foundation to establish an underlying architecture for the distributed ledger platform oriented
In Which Direction and What Capabilities Will Huawei Cloud BCS Develop? BCS will improve its competitiveness in terms of availability, security, performance, and blockchain ecosystem (such as the smart contract library and blockchain tool kits). It will continuously develop to provide
What Can I Do If a BCS Instance Is in the Abnormal State? Symptom The BCS instance is in the Abnormal state. Fault Locating Check item 1: Check whether the cluster, storage, and server resources on which the blockchain depends are normal. Check item 2: Check whether the ECS specifications
What Can I Do If a BCS Instance Is in the Unknown State? Symptom The BCS instance is in the Unknown state. Fault Locating Check item 1: Check whether the cluster is hibernated. Check item 2: Check whether the cluster exists. Solution Check item 1: Check whether the cluster is hibernated
What Competitive Advantages Does Huawei Cloud BCS Have? BCS provides multiple options of consensus algorithms, visualized smart contract (chaincode) management, and security and privacy protection (using OSCCA-published cryptographic algorithms, homomorphic encryption, and zero-knowledge
What Can I Do If a BCS Instance Is in the EIP abnormal State? Symptom The BCS instance is in the EIP abnormal state. Fault Locating Check item: Check whether the EIP has been unbound or released. On the BCS console, click Instance Management. On an instance card, choose More > Change
What Can I Do If I Fail to Purchase a BCS Instance? General Checks Detailed Checks Parent topic: Instance Management
Which Ports of a Security Group Are Opened When I Create a BCS Instance? Currently, port 22 for SSH login and ports ranging from 30000 to 40000 are opened for BCS. Parent topic: Service Usage
What Can I Do If a BCS Instance Is in the Frozen or Cluster frozen State? Symptom The BCS instance is in the Frozen or Cluster frozen state. Fault Locating Check whether the account is in arrears. If the account is in arrears, resources will be frozen. Solution Log in to the BCS console
What Should I Do If My BCS Instance Remains in the Creating State? The possible cause is that the disk fails to be mounted. Solution Log in to the node in the Cloud Container Engine (CCE) cluster where the BCS instance is deployed, and run the following command to check the DNS address
How Do I Unsubscribe from a Yearly/Monthly BCS Instance? Choose More > Unsubscribe on the instance card. After the unsubscription application is approved, the remaining fees paid for the instance will be refunded. Parent topic: Billing FAQs
Can BCS Instances Deployed on the Public Cloud Access Blockchain Nodes on Other Clouds? BCS instances now can be deployed only on the public cloud. Each user can deploy multiple BCS instances. Multiple public cloud users' BCS instances can form a consortium blockchain. Huawei Cloud-dominated
How Do I Clear Residual Log Files After a BCS Service Is Deleted? After a BCS service is deleted, log files are not automatically deleted from the cluster nodes. You are advised to manually delete the residual files to save space. Use the remote management tool to log in to each cluster
