Parallel Queries on Elasticsearch

Elastic Stack Elasticsearch
1

Hello everyone,
I am new to elasticsearch and still trying out a few things.
I have an ELK deployment with a single node with multiple indexes and shards . Are the search queries run on the data sequential or are they parallel in execution?
For example lets say I have two queries:

1- query={“bool”: {“must” : [{“match”: {“Object2Path.string”: “nginx”}},{“match”: {“message.type”: “RECORD_EVENT”}}]}}
2- query={“bool”: {“must” : [{“match”: {“TITLE.string”: “newtitle”}},{“match”: {“message.type”: “RECORD_SUBJECT”}}]}}

If I run both of them at the same time, are they executed one after the other or are they executed in parallel?

2

If you are sending the queries to Elasticsearch across two seperate connections at the same time they will be executed in parallel (assuming there is enough resources).

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3

I believe _msearch does parallel requests as well.

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