feat: added max_time_sereis and max_samples in prom queries

[aniketio-ctrl]

Summary

Added MaxTimeSeries, MaxSamples to limit prom queries.
we have set these values in context so that it can be picked while adding clickhouse settings.

Related Issues / PR's

https://github.com/SigNoz/engineering-pod/issues/1996

---

Important

Add MaxTimeSeries and MaxSamples to PromQuery and update context handling in querier.go to enforce query limits.

• Behavior:
  • Add MaxTimeSeries and MaxSamples fields to PromQuery in v3.go to limit Prometheus queries.
  • Modify context in runPromQueries() in querier.go to include MaxTimeSeries and MaxSamples settings.
• Constants:
  • Add ResultOverflowMode, MaxRowsToGroupBy, and MaxResultRows to constants.go for context settings.
• Misc:
  • Update execPromQuery() calls in querier.go to use modified context with limits.

^{This description was created by for e67a024. It will automatically update as commits are pushed.}

[github-actions]

Build Error! No Linked Issue found. Please link an issue or mention it in the body using #<issue_id>

[github-actions]

Build Error! No Linked Issue found. Please link an issue or mention it in the body using #<issue_id>

[ellipsis-dev]

👍 Looks good to me! Reviewed everything up to e67a024 in 1 minute and 15 seconds

More details

• Looked at 80 lines of code in 3 files
• Skipped 0 files when reviewing.
• Skipped posting 3 drafted comments based on config settings.

1. pkg/query-service/app/querier/v2/querier.go:224

• Draft comment:
  Modifying the context in a loop can lead to race conditions. Consider creating a new context for each goroutine using context.WithValue outside the loop.
• Reason this comment was not posted:
  Comment looked like it was already resolved.

2. pkg/query-service/model/v3/v3.go:409

• Draft comment:
  The Clone method should also clone MaxTimeSeries and MaxSamples to ensure all fields are copied.
• Reason this comment was not posted:
  Comment was on unchanged code.

3. pkg/query-service/app/querier/v2/querier.go:219

• Draft comment:
  Avoid using the component/index.tsx file structure approach, as it makes it difficult to debug and find components using global search tools like VS Code.
• Reason this comment was not posted:
  Comment was not on a valid diff hunk.

Workflow ID: wflow_e3oTSegP0yJwKbfV

---

You can customize Ellipsis with 👍 / 👎 feedback, review rules, user-specific overrides, quiet mode, and more.