## Description
/actions endpoint has very high response latency, The leading factor for
this latency is the DB calls to collections which have high volume of
data. i.e `actions` and `applications`. This Pr tries to address this by
optimising the flow to reduce db calls wherever possible.
The following strategies have been used to reduce the latency as much as
possible
- Reduced DB calls for fetching application and related permission
- Added Criteria for removing JS function from the repository call
- Added a in memory cache to hold default plugins. (this would be used
for filling missing details in action from plugin) resulted in 25-28%
performance advantage.
- **A good next step would have been adding index on all query
parameters, however have held on to that for some data.**
In the PR we have added Micrometer observability for /actions endpoint
as for more data.
> This PR addresses tries to improve the performance of the above
endpoints by means of reducing redundant calls to DB, and caching
wherever possible.
Fixes#21850
## Type of change
- Chore (housekeeping or task changes that don't impact user perception)
## This has been tested:
- Manual
## Progress:
The DP created with this PR was tested, however the results were not
consistent. waiting for testing dashboard to be ready to verify the
median/p95 timings from the data
## Checklist:
### Dev activity
- [x] My code follows the style guidelines of this project
- [x] I have performed a self-review of my own code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] My changes generate no new warnings
- [x] I have added tests that prove my fix is effective or that my
feature works
- [ ] New and existing unit tests pass locally with my changes
- [ ] PR is being merged under a feature flag