coreyho edited a comment on issue #4699:
URL: https://github.com/apache/skywalking/issues/4699#issuecomment-618891667
'flush.Interval' and 'index_refresh_interval' are two different attributes
in es, but there is only one corresponding config in skywalking. I Cannot set
them to different value.
```java
setting.put("index.refresh_interval", record ?
TimeValue.timeValueSeconds(10).toString() :
TimeValue.timeValueSeconds(config.getFlushInterval()).toString());
new BatchProcessEsDAO(elasticSearch7Client, config.getBulkActions(),
config.getFlushInterval(), config.getConcurrentRequests())
```
And there is a config item corresponding 'index_refresh_interval' which is
never be used.

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