This section describes how to manage the configurations of certain advanced cluster features, such as customizing dictionaries for IK analysis plugin and modifying the
On the cluster list page, click a cluster ID to enter the cluster details page, and click Advanced Configuration to enter the advanced configuration management page.
In the plugin configuration section, you can see the IK analysis plugin pre-installed in the cluster. For more information on this plugin, please see IK Analysis Plugin for Elasticsearch. You can use it to create an index of Chinese keywords for your data stored in the ES cluster to implement searches.
Click Update Dictionary to enter the dictionary update page, where you can see two options: non-stopwords and stopwords. After selecting the dictionary file to be updated, click Save to hot update it (with no cluster restart needed).
Requirements for dictionary files:
In the cluster details, click Advanced Configuration to view the configuration items.
|Configuration Item||Description||Valid Values|
|action.destructive_requires_name||Whether it is required to specify the index name when deleting an index||true or false. Default value: true|
|indices.fielddata.cache.size||Specifies the percentage of Java heap space allocated to the field data||Percentage in the format of 1-100%. Default value: 15%|
|indices.query.bool.max_clause_count||Specifies the maximum number of clauses allowed in a Lucene Boolean query||Positive integer. Default value: 1024|
For more information on the configuration items, please see Elasticsearch's official documentation.
Click Batch Modify to modify configuration items. Applicable restrictions are as described above.
If the cluster health status is YELLOW or RED, or there is an index in the cluster that has no replicas, you will be prompted to force restart if you try to modify the configuration items. In this case, there will be a high risk if you update the configuration, and you are recommended to repair the cluster status first by adding replicas to all indices.
If you are aware of the risk and still want to update the configuration, you can check the "Force Restart" box and click OK to restart. For more information, please see the figure below:
Click Batch Modify to modify the corresponding configuration items. Applicable restrictions are as described above.
If you want to customize other configuration items, please submit a ticket.
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