hterik opened a new issue, #69531:
URL: https://github.com/apache/airflow/issues/69531
### Under which category would you file this issue?
Airflow Core
### Apache Airflow version
3.2.2
### What happened and how to reproduce it?
For a moderately sized dag with approx 30 tasks and history of 25 dag runs
shown, the grid view is extremely slow. Clicking on items in the grid has
signifiant yank and delay. This was not an issue in Airflow 2.
* Just hovering over an item has noticeable lag before the row is highlighted
* Clicking on an item in the grid causes the grid to flicker into white,
before showing the same content again. Then it takes 3-4 seconds for the
content in the details tab to load.
* It is likely _not_ an API issue, looking in the network tab of the browser
shows this after clicking on an item in the grid:
<img width="331" height="118" alt="Image"
src="https://github.com/user-attachments/assets/675ca0bb-0420-4834-9ea8-b90907866c2a";
/>
- The requests are served pretty fast: ~50ms each
- There's not excessive amounts of requests: 6 per click, which is not
great, but not terrible either. Two minor things standing out:
- `hitlDetails` and `externalLogUrl` are seperate endpoints. Better
to merge them into the `tasks` or `taskInstances` endpoint?
- `/ui/grid/ti_summaries` appears to reload on every click, even
if clicking a task doesn't change the range of displayed dagruns
- It some times takes a second after clicking even for the first request
to be *sent* (not seen in the graph)
- After the last response has been received, it takes nearly a second
for the UI to be updated (not seen in the graph)
### What you think should happen instead?
_No response_
### Operating System
Ubuntu
### Deployment
Other
### Apache Airflow Provider(s)
_No response_
### Versions of Apache Airflow Providers
```
apache-airflow==3.2.2
apache-airflow-client==3.2.2
apache-airflow-core==3.2.2
apache-airflow-mypy==0.1.0
apache-airflow-providers-celery==3.20.0
apache-airflow-providers-cncf-kubernetes==10.17.1
apache-airflow-providers-common-compat==1.15.0
apache-airflow-providers-common-io==1.7.2
apache-airflow-providers-common-sql==2.0.0
apache-airflow-providers-docker==4.5.6
apache-airflow-providers-fab==3.6.4
apache-airflow-providers-postgres==6.7.0
apache-airflow-providers-smtp==3.0.1
apache-airflow-providers-standard==1.13.1
apache-airflow-task-sdk==1.2.2
```
### Official Helm Chart version
Not Applicable
### Kubernetes Version
_No response_
### Helm Chart configuration
_No response_
### Docker Image customizations
_No response_
### Anything else?
_No response_
### Are you willing to submit PR?
- [ ] Yes I am willing to submit a PR!
### Code of Conduct
- [x] I agree to follow this project's [Code of
Conduct](https://github.com/apache/airflow/blob/main/CODE_OF_CONDUCT.md)
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