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- What's New
- Function Overview
- Service Overview
- Getting Started
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User Guide
- Getting Started
- Creating and Accessing a Cluster
- Scaling In/Out a Cluster
- Upgrading Versions
- Importing Data to Elasticsearch
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Managing Elasticsearch Clusters
- Cluster and Storage Capacity Statuses
- Introduction to the Cluster List
- Index Backup and Restoration
- Binding an Enterprise Project
- Restarting a Cluster
- Migrating Cluster Data
- Deleting a Cluster
- Managing Tags
- Public Network Access
- Managing Logs
- Managing Plugins
- Hot and Cold Data Storage
- Configuring Parameters
- VPC Endpoint Service
- Kibana Public Access
- Vector Retrieval
- Working with Kibana
- Elasticsearch SQL
- Connecting a Cluster to a Dedicated Load Balancer
- Enhanced Features
- Monitoring
- Auditing
- Change History
- Best Practices
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API Reference
- Before You Start
- API Overview
- Calling APIs
- Getting Started
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Cluster Management
- Creating a cluster
- Querying the Cluster List
- Querying Cluster Details
- Deleting a Cluster
- Renaming a Cluster
- Changing the Password of a Cluster
- Restarting a Cluster
- Scaling Out a Cluster
- Adding Instances and Expanding Instance Storage Capacity
- Changing Specifications
- Obtaining the Instance Specifications List
- Querying All Tags
- Querying Tags of a Specified Cluster
- Adding Tags to a Cluster
- Deleting a Cluster Tag
- Adding or Deleting Cluster Tags in Batches
- Changing the Specifications of a Specified Node Type
- Scaling In a Cluster by Removing a Specific Node
- Scaling In Nodes of a Specific Type
- Downloading a Security Certificate
- Replacing a Node
- Configuring the Security Mode.
- Adding Independent Masters and Clients
- Changing the Security Group
- Kibana Public Network Access
- Log Management
- Public Network Access
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Snapshot Management
- (Not Recommended) Automatically Setting Basic Configurations of a Cluster Snapshot
- Modifying Basic Configurations of a Cluster Snapshot
- Manually Creating a Snapshot
- Restoring a Snapshot
- Deleting a Snapshot
- Configuring the Automatic Snapshot Creation Policy
- Querying the Automatic Snapshot Creation Policy
- Querying a Snapshot List
- Disabling the Snapshot Function
- VPC Endpoint
- Parameter Configuration
- Common Parameters
- Change History
- SDK Reference
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FAQs
- General Consulting
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Accessing CSS Clusters
- How Do I Reset the Administrator Password of a Security-mode Cluster in CSS?
- Are Ports 9200 and 9300 Open for Access to Elasticsearch Clusters?
- How Do I Use a NAT Gateway to Access CSS from the Internet?
- How Do I Connect In-house Developed Kibana to an Elasticsearch Cluster in CSS?
- How Do I Connect In-house Developed OpenSearch Dashboards to an OpenSearch Cluster in CSS?
- Migrating CSS Clusters
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Using CSS Cluster Search Engines
- Why Are Newly Created Index Shards Allocated to a Single Node in CSS?
- How Do I Create a Type Under an Index in an Elasticsearch 7.x Cluster of CSS?
- How Do I Change the Number of Replicas for Elasticsearch Indexes in CSS?
- What Are the Impacts If an Elasticsearch Cluster of CSS Has Too Many Shards?
- How Do I Check the Number of Shards and Replicas in a CSS Cluster?
- What Does the Value i for node.roles Mean for Nodes in an Elasticsearch Cluster of CSS?
- How Do I Change the Maximum Number of Results Returned for Searches to an Index in an Elasticsearch Cluster of CSS?
- How Do I Update Index Lifecycle Policies for an Elasticsearch Cluster of CSS?
- How Do I Set Slow Query Log Thresholds for an Elasticsearch Cluster of CSS?
- How Do I Clear Elasticsearch Indexes in CSS?
- How Do I Clear Elasticsearch Cache in CSS?
- Why Does the Disk Usage Increase After the delete_by_query Command Was Executed to Delete Data in an Elasticsearch Cluster?
- Do CSS Elasticsearch Clusters Support script dotProduct?
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Managing CSS Clusters
- How Do I Check the AZ Where a CSS Cluster Is Located?
- What Is the Relationship Between the Filebeat Version and Cluster Version in CSS?
- How Do I Obtain the Security Certificate of CSS?
- How Do I Convert the Format of a CER Security Certificate in CSS?
- Can I Modify the Security Group for Elasticsearch and OpenSearch Clusters in CSS?
- How Do I Set search.max_buckets for an Elasticsearch Cluster of CSS?
- Can I Modify the TLS Algorithm of an Elasticsearch or OpenSearch Cluster in CSS?
- How Do I Enable Audit Logs for an Elasticsearch or OpenSearch Cluster of CSS?
- Can I Stop a CSS Cluster?
- How Do I Query the Index Size on OBS After the Freezing of Indexes for a CSS Cluster?
- How Do I Check the List of Default Plugins for Elasticsearch and OpenSearch Clusters?
- CSS Cluster Backup and Restoration
- CSS Cluster Monitoring and O&M
- Troubleshooting
- Videos
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Function Overview
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Cloud Search Service
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Cloud Search Service (CSS) is a fully managed cloud service of the ELK Stack and is compatible with open-source Elasticsearch, Kibana, and Cerebro.
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Creating a Cluster
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CSS supports Elasticsearch clusters. You can create a cluster in security or non-security mode. CSS Elasticsearch clusters can be used in diverse scenarios, including log analysis and site search.
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Public Network Access
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You can access a cluster that has the security mode enabled through the public IP address provided by the system.
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Kibana Public Access
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For CSS clusters that have security mode enabled, you can access Kibana through the Internet after configuring Kibana public access. For a cluster that has security mode enabled, CSS allows you to enable Kibana public access and configure access bandwidth. After the configuration is complete, the cluster obtains a Kibana public IP address that you can use to access Kibana of this cluster.
You can configure Kibana public access when creating a cluster or configure this function after enabling security mode for a cluster.
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Index Backup and Restoration
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You can back up index data in clusters. If data loss occurs or you want to retrieve data of a specified duration, you can restore the index data. Index backup is implemented by creating cluster snapshots. When creating a backup for the first time, you are advised to back up data of all indices.
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Accessing a Cluster
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After a cluster is created, you can access the cluster and use Elasticsearch to define index data, import data, and search for data. You can access a cluster in various ways.
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Importing Data to Elasticsearch
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You can import data to Elasticsearch using Logstash, Kibana, or APIs. Kibana provides GUI for Elasticsearch interaction and verification. Here Kibana is used as an example to describe how to import data to Elasticsearch.
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Migrating Cluster Data
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You can migrate data from one cluster to another. In certain scenarios, for example, if changing specifications of the cluster cannot meet your requirementsdue to the growing business data, you can create a cluster of higher specifications and migrate all data of the current cluster to the new one. Alternatively, you can merge indices in two clusters to one cluster to meet your business needs. CSS enables you to migrate cluster data by using the index backup and restoration function, specifically, by restoring the snapshot of a cluster to the target cluster.
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Managing Logs
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CSS provides log backup and search functions to help you locate faults. You can back up cluster logs to OBS buckets and download required log files to analyze and locate faults.
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Hot and Cold Data Storage
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CSS provides you with cold data nodes. You can store data that requires query response in seconds on high-performance nodes and store data that requires query response in minutes on cold data nodes with large capacity and low specifications.
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VPC Endpoint Service
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The VPC endpoint service allows you to access the cluster through a private domain name. When the VPC endpoint service is enabled, the system creates a VPC endpoint for you by default.
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Vector Retrieval
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CSS integrates the capabilities of Huawei's vector search engine through the Elasticsearch plug-in, supporting high-performance, high-precision, low-cost, and multi-modal search. It also supports all the native Elasticsearch capabilities, including distributed deployment, multi-copy, disaster recovery, error recovery, snapshot, and permission control, compatible with the entire Elasticsearch ecosystem. Currently, the vector search plug-in is integrated only in CSS 7.6.2.
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