How Do I Clear Elasticsearch Indexes in CSS?

You can create a scheduled task to execute an index deletion request periodically. CSS supports Open Distro Index State Management. For details about how to clear obsolete indexes periodically, see Decoupling Index Storage and Compute in an Elasticsearch Cluster Through Index Lifecycle Management.

For details about Open Distro Index State Management, see https://opendistro.github.io/for-elasticsearch-docs/docs/im/ism/.

• Log in to Kibana, go to the Dev Tools page, and run the following command to delete a specified index:

  DELETE /{index_name}

• Log in to Cerebro, search for the target index name, click the index name, click delete index, and click Confirm in the displayed dialog box.
  Figure 1 Deleting an index from Cerebro