Any relationship between refresh_interval & bulk_write task time?

Elastic Stack Elasticsearch
1

Is it normal to have longer bulk_write time if I increase the refresh_interval to say 300 seconds?
I have noticed an index bulk_write is taking more than 4 seconds. Not sure if this is normal or cause for concern.

I get the time from periodically calling GET /_cat/tasks?v&detailed=true.

2

Is that when you are increasing the refresh? Or is that just how long you are seeing the bulk take?

3

I'm seeing bulk write to an index with long completion time. That index happens to have refresh_interval set to 300s.
I did not see this before. We recently increase the refresh_interval from 120 to 300.
Hence this question.
It might be something else, but just to check if this is a known behavior before going further.

4

What version of Elasticsearch are you running?

5

7.15.0

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