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As indexation is a heavy process with high CPU and memory resource consumption, it is required (and strongly recommended) to scale up the shared OpenSearch AWS service.

r6g.xlarge → r6g.2xlarge

Scale-up backend modules

For better performance, please scale up backend modules.

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After completion of all pre-required steps, trigger index with POST Postman request.

URI: /search/index/inventory/reindex

Headers: X-Okapi-Tenant & X-Okapi-Token

Body: 

{
  "recreateIndex": true,
  "resourceName": "authorityinventory"
}

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After the indexation process is finished, do not forget to scale down the shared OpenSearch AWS service

r6g.2xlarge → r6g.xlarge (If no other conditions/constraints)