What's New
The tables below describe the functions released in each Cloud Search Service version and corresponding documentation updates. New features will be successively launched in each region.
October 2024
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Minimizing permissions for IAM agencies |
Permissions can be minimized for IAM agencies automatically created for CSS. If there is an IAM agency automatically created earlier, you can also click One-click authorization to minimize its permissions. |
Commercial use |
All operation documents that contain steps about agency configuration |
|
2 |
Modified the tag details page |
The cluster tag details page is redesigned, so the operation guide for tag management is updated accordingly. |
Commercial use |
Setting Tags for an Elasticsearch Cluster |
|
3 |
Adapting CSS to the latest CTS specifications |
Updated the list of key operations that can be audited through CTS based on the latest CTS specifications. |
Commercial use |
Viewing Elasticsearch Cluster Audit Logs |
|
4 |
Added performance testing data for enhanced aggregation |
Added performance testing data for the enhanced aggregation function for Elasticsearch clusters. |
Commercial use |
Configuring Enhanced Aggregation for an Elasticsearch Cluster |
|
5 |
Read/write splitting enables automatic metadata synchronization |
The read/write splitting function enables automatic metadata synchronization for Elasticsearch clusters. |
Commercial use |
Configuring Read/Write Splitting Between Two Elasticsearch Clusters |
|
6 |
CSS Dashboard displays monitoring metrics |
On the Dashboard page of the CSS console, you can check monitoring metrics and configure alarm rules. |
Commercial use |
|
|
7 |
Load balancers and VPC Endpoint Service support IPv6 networks |
Elasticsearch and OpenSearch clusters in CSS can be accessed via IPv6 addresses through a dedicated load balancer or VPC endpoint. |
Commercial use |
Configuring VPC Endpoint Service for an Elasticsearch Cluster Configuring a Dedicated Load Balancer for an Elasticsearch Cluster Configuring VPC Endpoint Service for an OpenSearch Cluster Configuring a Dedicated Load Balancer for an OpenSearch Cluster |
|
8 |
Disk type change |
Change the node storage type of an Elasticsearch or OpenSearch cluster by node type. To do that, you need to delete old disks when rebuilding a node, and then attach disks of the new type. |
Commercial use |
Changing the Node Specifications of an Elasticsearch Cluster |
|
9 |
Disk I/O monitoring |
Eight metrics for I/O monitoring have been added for Elasticsearch and OpenSearch clusters. |
Commercial use |
|
|
10 |
Node-level disk usage monitoring |
The disk usage metric has been added for Elasticsearch and OpenSearch clusters. |
Commercial use |
|
|
11 |
Support for vector search by OpenSearch |
Added the operation guide and code examples for using vector search with an OpenSearch cluster. |
Commercial use |
|
|
12 |
Index lifecycle management for OpenSearch clusters |
For an OpenSearch cluster, index lifecycle policies can be configured to decouple storage and computation for index data. |
Commercial use |
Decoupling Index Storage and Compute Through Index Lifecycle Management |
|
13 |
Accessing clusters through LDAP |
Enable Lightweight Directory Access Protocol (LDAP) authentication for an Elasticsearch or OpenSearch cluster in CSS to allow access by LDAP users of specific roles. |
Commercial use |
August 2024
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Optimized FAQs |
Made the documents easier to understand and more searchable.
|
Commercial use |
|
|
2 |
Updated User Guide |
Made the documents easier to understand and more searchable.
|
Commercial use |
Procedure for Using Elasticsearch |
|
3 |
Optimization of Best Practices |
Made the documents easier to understand and more searchable.
|
Commercial use |
July 2024
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Optimized the Getting Started guide |
Made the documents easier to understand and more searchable.
|
Commercial use |
|
|
2 |
OBS cold storage monitoring in the case of storage-compute decoupling |
When storage-compute decoupling is enabled, the real-time OBS rates are recorded in the system index. |
Commercial use |
Configuring Storage-Compute Decoupling for an Elasticsearch Cluster |
June 2024
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Pipeline monitoring for Logstash clusters |
Logstash clusters in CSS support pipeline-level event monitoring. Alarm can be customized based on pipeline monitoring metrics. |
Commercial use |
|
|
2 |
Index recycle bin for Elasticsearch clusters |
To allow users to restore data after misdeletion, CSS provides an index recycle bin for Elasticsearch clusters. Similar to other recycle bins, the index recycle bin temporarily stores deleted indexes so that users can restore them before they are finally removed from the recycle bin. This helps to improve cluster data reliability. |
Commercial use |
Configuring an Index Recycle Bin for an Elasticsearch Cluster |
|
3 |
Showing the causes of log backup failures |
On the log backup page of CSS, information about failed log backup tasks and failure causes are displayed, facilitating troubleshooting. |
Commercial use |
Querying and Managing Elasticsearch Cluster Logs |
|
4 |
Real-time log collection |
The real-time logs of an Elasticsearch or OpenSearch cluster can be stored within that cluster, facilitating log search and analysis using Kibana. |
Commercial use |
|
|
5 |
Modifying preset word dictionaries |
The preset Static Main Word Dictionary, Static Stop Word Dictionary, Extra Main Word Dictionary, and Extra Stop Word Dictionary can be added, deleted, and modified for Elasticsearch and OpenSearch clusters. |
Commercial use |
Configuring Custom Word Dictionaries for an Elasticsearch Cluster Configuring Custom Word Dictionaries for an OpenSearch Cluster |
April 2024
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Cluster status check during cluster specification modification |
When the specifications of a cluster are changed, the cluster status can be checked. The specifications of nodes are changed one by one to ensure success and data security. |
Commercial use |
|
|
2 |
Cross-engine upgrade of Elasticsearch clusters |
Elasticsearch clusters of version 7.10.2 can be upgraded to OpenSearch clusters of version 1.3.6. |
Commercial use |
March 2024
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Support for general AC computing-plus ECSs |
CSS supports general AC computing-plus ECSs equipped with scalable processors, providing enhanced computing, security, stability, and high cost-effectiveness. |
Commercial use |
February 2024
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Selecting a shared VPC during cluster creation |
A VPC is required when you create a cluster. You can select the name and ID of the VPC shared with the current account. |
Commercial use |
|
|
2 |
Opensearch Alert Plugin |
By default, CSS has installed the open-source alert plugin opensearch-alerting for OpenSearch clusters to send notifications when data meets specific conditions. |
Commercial use |
December 2023
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
OpenSearch clusters |
You can create and manage OpenSearch clusters in CSS. |
Commercial use |
|
|
2 |
Auto-renewal for yearly/monthly clusters |
For yearly/monthly clusters with auto-renewal enabled, you can modify the auto-renewal function. |
Commercial use |
October 2023
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Batch export of Logstash cluster configuration files |
The configuration files of Logstash clusters can be exported in batches. |
Commercial use |
September 2023
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Querying clusters by enterprise project or private IP address |
In the cluster list, you can quickly query clusters by enterprise project and private IP address. |
Commercial use |
|
|
2 |
Migrating data before scaling in or replacing a specified node |
You can select the Whether to perform data migration option to migrate data. If the target node have disabled indexes or indexes that have no replicas, this option must be selected. |
Commercial use |
|
|
3 |
Extreme SSD storage |
Elasticsearch and Logstash clusters support the extreme SSD storage. |
Commercial use |
|
|
4 |
Logstash cluster force restart |
If a Logstash cluster is faulty due to long-term running or other unknown reasons, you can forcibly restart the cluster to restore it. |
Commercial use |
|
|
5 |
Checking cluster load when upgrading an Elasticsearch cluster |
If a cluster is overloaded, the upgrade task may suspend or fail. Cluster load check can effectively prevent upgrade task failures. |
Commercial use |
August 2023
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Intelligent O&M |
CSS provides intelligent O&M to detect potential cluster risks and provide risk handling suggestions. |
Commercial use |
|
|
2 |
Enhanced aggregation |
The enhanced aggregation is an optimization feature for service awareness. With this feature, you can optimize the aggregation analysis capability of observable services. |
Commercial use |
|
|
3 |
Enhanced import performance |
Developed by CSS, this feature effectively improves import performance and reduces write rejection by optimizing bulk routing, text index acceleration, and word segmentation acceleration. |
Commercial use |
|
|
4 |
Read/Write splitting |
CSS supports read/write splitting. Data written to the primary cluster (Leader) can be automatically synchronized to the secondary cluster (Follower). In this way, data is written to the primary cluster and queried in the secondary cluster. |
Commercial use |
|
|
5 |
Logstash cluster |
CSS supports Logstash clusters. You can modify the Logstash configuration files in the configuration center to import multiple data sources, such as edis, elasticsearch, and jdbc, to Elasticsearch clusters. |
Commercial use |
|
|
6 |
Upgrading the service to version 6.8.23 |
CSS clusters of the 6.2.3 and 6.5.4 versions can be upgraded to the version 6.8.23. |
Commercial use |
|
|
7 |
Binding load balancers on the CSS management console |
When interconnecting with a dedicated load balancer, you can bind a load balancer and add a listener on the CSS management console. |
Commercial use |
June 2023
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Node monitoring |
You can query the monitoring metrics and alarms generated for CSS nodes on the Cloud Eye console or using CSS APIs. |
Commercial use |
|
|
2 |
Version upgrading |
Same version upgrade and cross-version upgrade are supported. Same version upgrade is to upgrade the kernel patch of a cluster to fix problems or optimize performance. Cross-version upgrade is to upgrade the cluster version to enhance functions or incorporate versions. |
Commercial use |
|
|
3 |
Supported the open-source OpenDistro alarm plug-in |
By default, the open-source OpenDistro alarm plugin (opendistro_alerting) is integrated into CSS to send notifications when data meets specific conditions. |
Commercial use |
|
|
4 |
Supported switching between AZs |
CSS supports cross-AZ deployment. You can add an AZ to obtain more resources or improve cluster availability, and can migrate your current AZ to one with higher specifications. |
Commercial use |
March 2023
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Decreasing Cluster Specifications |
You can decrease cluster specifications. After decreasing cluster specifications, the cluster performance will deteriorate and service capabilities will be affected. Exercise caution when performing this operation. |
Commercial use |
|
|
2 |
Yearly/Monthly billing mode |
CSS clusters can be purchased in yearly/monthly mode. This mode is recommended for long-term users. |
Commercial use |
|
|
3 |
OBS Operations Monitoring |
The real-time OBS rate metric is added to CSS and recorded in the system index. You can view the usage of OBS in real time. |
Commercial use |
February 2023
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Improved Cold Data Query Performance |
To accelerate data queries for the first time on the Discover page of Kibana, you can cache data locally. |
Commercial use |
|
|
2 |
Independent Master/Client Nodes |
If the workloads on the data plane of a cluster increase, you can dynamically scale the cluster by adding master or client nodes. |
Commercial use |
|
|
3 |
Added Traffic Control 2.0 |
After the client write traffic backpressure and control is enabled, large requests will be rejected when too much node heap memory is occupied. This function prevents nodes from breaking down and reduces the risk of node unavailability. |
Commercial use |
|
|
4 |
Switching the Security Group of Elasticsearch Cluster |
After an Elasticsearch cluster is created, you can modify its security group. |
Commercial use |
|
|
5 |
Changing the Security Mode in One-click |
After a cluster is created, you can change its security mode in one-click. |
Commercial use |
|
|
6 |
Replacing a Specified Node |
If a node in the cluster is faulty, you can create a new node with the same specifications to replace it. |
Commercial use |
|
|
7 |
Connecting a Cluster to a Dedicated Load Balancer |
You can connect a cluster to a dedicated load balancer. CSS integrates shared load balancers and allows you to bind public network access and enable the VPC Endpoint service. Dedicated load balancers provide more functions and higher performance than shared load balancers. |
Commercial use |
December 2022
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Best Practices |
This document summarizes common best practices for CSS. Operation details are described for each practice. |
Commercial use |
November 2022
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
HTTP Status Code Monitoring |
CSS allows you to monitor the HTTP status codes of clusters so that you can accurately view the actual status of calling Elasticsearch APIs. |
Commercial use |
|
|
2 |
P99 Latency Monitoring |
CSS allows you to monitor the P99 latency of search requests in clusters to effectively reflect the actual search performance. |
Commercial use |
April 2022
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Vector retrieval |
CSS supports k-nearest neighbor (KNN) and approximate nearest neighbor (ANN) vector search. |
Commercial use |
January 2022
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Storage-compute decoupling |
CSS allows you to store historical data in OBS to reduce data storage costs. |
Commercial use |
October 2021
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Logstash cluster |
Deleted documents related to Logstash clusters. |
Open beta testing |
May 2021
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Deleted the Poisson Analyzer |
Deleted the description about the Poisson Analyzer in CSS. |
Commercial use |
|
|
2 |
Logstash cluster |
Logstash clusters can be created in CSS. |
Open beta testing |
January 2021
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Added cluster version 7.9.3 |
Clusters in version 7.9.3 can be created in CSS. |
Commercial use |
August 2020
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Fine-grained authorization |
CSS supports fine-grained authorization. |
Commercial use |
July 2020
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Kibana public access |
For CSS clusters with security mode enabled, you can access Kibana through the Internet after configuring Kibana public access. |
Commercial use |
May 2020
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
VPC endpoint service |
CSS allows you to access clusters using private domain names. |
Commercial use |
|
|
2 |
Modifying a cluster name |
You can change the cluster name when a cluster is created. |
Commercial use |
January 2020
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Managing plugins |
CSS allows you to view default and custom plugins. You can upload, install, uninstall, or delete plugins as required. |
Commercial use |
How Do I Check the List of Default Plugins for Elasticsearch and OpenSearch Clusters? |
December 2019
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Multi-AZ HA |
CSS supported multi-AZ HA. |
Commercial use |
November 2019
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Configuring parameters |
CSS allows you to modify configurations in the elasticsearch.yml file to implement corresponding functions, such as cross-domain access and cluster reindexing. |
Commercial use |
October 2019
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Hot and cold data storage |
You can store data that requires query response in seconds on hot data nodes with high performance and store historical data that requires query response in minutes on cold data nodes with large capacity and low specifications. |
Commercial use |
|
|
2 |
Managing logs |
CSS provides log backup and query functions to help you locate faults. You can back up cluster logs to an OBS bucket or view node logs on the log query page. |
Commercial use |
September 2019
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Modifying the node specifications |
CSS allows you to modify the node specifications of clusters. |
Commercial use |
|
|
2 |
Public network access |
You can configure the public network access for clusters with security mode enabled. In this case, you can access the cluster through the public IP address assigned by CSS. |
Commercial use |
|
|
3 |
Managing cluster tags |
Adding tags to clusters can help you identify and manage your cluster resources. |
Commercial use |
July 2019
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Clusters in security mode |
You can enable security mode for clusters. After enabling it, identity verification, authorization, and encryption are required. |
Commercial use |
January 2019
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Binding enterprise projects |
If you enable Enterprise Project Management, you can use it to manage cloud service resources on HUAWEI CLOUD. |
Commercial use |
November 2018
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Poisson analyzer |
Poisson Analyzer is a plugin developed based on the open-source Jieba analyzer and provides both word segmentation and synonym extension functions. Compared with Jieba, this plugin optimizes the multi-granularity word segmentation function and enhances non-login word identification and word segmentation for Chinese-English hybrid phrases. In addition, the highlighting and phrase query functions are available for synonyms. |
Commercial use |
April 2018
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Changing the service name to Cloud Search Service |
CSS is a fully managed, distributed search engine service. It is fully compatible with open-source Elasticsearch and provides you with structured and unstructured data search, statistics, and report capabilities. CSS works in the similar way as a database. |
Commercial use |
March 2018
|
No. |
Feature |
Description |
Phase |
Document |
|---|---|---|---|---|
|
1 |
Cluster backup and restoration |
You can back up index data in clusters to avoid data loss. If data loss occurs or you want to retrieve data of a specified duration, you can restore the index data to obtain the data quickly. |
Commercial use |
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