[GitHub] [skywalking] JaredTan95 commented on a change in pull request #3913: support custom elasticsearch settings in index level.

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JaredTan95 commented on a change in pull request #3913: support custom elasticsearch settings in index level.
URL: https://github.com/apache/skywalking/pull/3913#discussion_r349059279
 
 

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 File path: docs/en/setup/backend/backend-storage.md
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 @@ -103,12 +104,24 @@ storage:
     bulkSize: ${SW_STORAGE_ES_BULK_SIZE:20} # flush the bulk every 20mb
     flushInterval: ${SW_STORAGE_ES_FLUSH_INTERVAL:10} # flush the bulk every 10 seconds whatever the number of requests
     concurrentRequests: ${SW_STORAGE_ES_CONCURRENT_REQUESTS:2} # the number of concurrent requests
+    advanced: ${SW_STORAGE_ES_ADVANCED:""}
 ```
 
 
 ### Data TTL
 TTL in ElasticSearch overrides the settings of core, read [ElasticSearch section in TTL document](ttl.md#elasticsearch-6-storage-ttl)
 
+### Advanced Configurations For Elasticsearch Index
+You can add advanced configurations in `JSON` format to set `elasticsearch index settings`.
+For example, set [translog](https://www.elastic.co/guide/en/elasticsearch/reference/master/index-modules-translog.html) settings:
 
 Review comment:
   Yes.

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