Cluster management introduction

Cluster management allows you to add cluster configurations and supports viewing each cluster's basic information, node status, configuration information, and data status.

Basic information

Basic information introduction

Current cluster's basic information.

Mount status (modifiable) : Whether the current cluster is mounted (mounted/unmounted)

Traffic status (modifiable) : The current cluster's traffic status (official traffic/test traffic)

Cluster creation time: The creation time of the current cluster

Cluster remarks (editable) : Remarks information of the current cluster

Precautions

• If the mount status is mounted, the online traffic of this cluster will be immediately allocated to the new cluster. Please confirm that the cluster configuration is correct before proceeding cautiously;

• If the cluster's mount status is unmounted, the cluster will stop providing external search services. Please ensure that the cluster has no traffic before performing this operation;

Node status

The current cluster's query nodes and data nodes with number of replicas, number of shards, minimum service ratio, service status, and configuration status.

Query nodes and data nodes support modifying the number of replicas and minimum service ratio.

Clicking on a table name in the data node's table data status directs you to the table management page:

Click the table loading policy of the data node to view/edit the current data node's table loading policy.

For modifying the table loading policy, see: index table loading policy.

Note:

• Scaling out the cluster's query nodes and increasing the number of replicas for data nodes can enhance the availability and stability of the query request service, allowing it to withstand higher query QPS pressures.

• Scaling out the cluster's data nodes with number of shards can improve query performance and reduce query time. For scaling out the number of shards, refer to: edit table;

• If the instance type is smaller than the required number for replica scaling, an error will be prompted. To resolve this, consider upgrading to the appropriate OpenSearch retrieval engine version instance.

• Minimum service ratio: The proportion of services that can be provided during full or incremental switching. For example, if the current number of replicas is set to 4 and the minimum service ratio is set to 50%, then at least 2 replica machines will be in a serviceable state during full or incremental switching;

• The cluster will roll according to the configured minimum service ratio. When operating on the online official cluster, ensure that the minimum service ratio > 0, and that the data nodes that can provide services during rolling can support the current full traffic.

Configuration information

Configuration update: You can enable/disable the configuration update switch. (Configuration update task switch: default enabled, task normal; can be manually disabled, and the configuration update task will be paused after disabling)

It also supports viewing/editing the current cluster's online configuration, query configuration, and cava configuration.

After modifying and publishing a new version of the cluster configuration, you need to click the update button to update the current effective version of the current cluster configuration to the specified planned update version.

After clicking confirm, you can view the progress in function extension > change history

After the status of pushing online configuration becomes normal, the cluster's configuration information will immediately change to the new version's configuration.

Data status

Supports viewing/modifying the current cluster's data full switch, real-time increment, and batch increment status.

Full switch: Full switch task switch: default enabled, task normal; can be manually disabled, and the full switch task will be paused after disabling;

• (Pause full switch applicable scenario: can be paused when there is a problem with the new full or if you do not want to perform a full switch)

Real-time increment: Real-time increment task switch: default enabled, task normal; can be manually disabled, and the real-time increment task will be paused after disabling;

Batch increment: Batch increment task switch: default enabled, task normal; can be manually disabled, and the batch increment task will be paused after disabling.

• (Pause batch increment note: if the batch pause time is too long, it may cause the real-time memory to be full, leading to the stoppage of real-time increment)