[DOC] Direct Query External Query Scheduler

[noCharger]

What do you want to do?
In 2.17 we introduce External Query Scheduler in SQL - async query
opensearch-project/opensearch-spark#416

What's the best place talks about it?

• Request a change to existing documentation
• Add new documentation
• Report a technical problem with the documentation
• Other

Tell us about your request. Provide a summary of the request.

*Version: List the OpenSearch version to which this issue applies, e.g. 2.14, 2.12--2.14, or all.

What other resources are available? Provide links to related issues, POCs, steps for testing, etc.

[getsaurabh02]

Looks like there is no PR yet @noCharger.
Given we do not have PR - we will skip this for 2.17 @kolchfa-aws @gaiksaya

[getsaurabh02]

Based on discussion with team, removing 2.17 tag

[Naarcha-AWS]

@getsaurabh02 Adding the v2.17.0 label back to this for visibility. It might not make the release but it allows us to follow up quickly on the changes afterward.

[kkhatua]

~~@noCharger is this meant for 2.18 ? ~~

Spoke with @noCharger and marked this as part of 2.18 train, although it is for 2.17