Prasad P. Pawar created ATLAS-5394:
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Summary: Atlas UI: Defer non-critical API calls and deduplicate
Redux fetches on Search load
Key: ATLAS-5394
URL: https://issues.apache.org/jira/browse/ATLAS-5394
Project: Atlas
Issue Type: Sub-task
Components: atlas-webui
Affects Versions: 3.0.0
Reporter: Prasad P. Pawar
Assignee: Prasad P. Pawar
Search page fires 65 requests (~4.8 MB) on load. Many are unnecessary for the
initial view.
Duplicate / premature API calls:
- RecentActivity: 6 parallel /admin/audits calls on mount (only 1 tab visible)
- fetchTypeHeaderData: dispatched from Sidebar, Dashboard, EntitiesTree (2+
duplicate typedefs/headers ~32 KB each)
- fetchEntityData: typedefs?type=entity (~391 KB) on mount — sidebar only needs
counts initially
- All sidebar trees (entities, classifications, enums, glossary) mount and
fetch on load even when collapsed
Fixes:
1. RecentActivity — fetch active tab only on mount; fetch other tabs on click;
cache visited tabs
2. typeDefHeaderSlice — skip fetch if data exists and not stale; single
dispatch from Layout/bootstrap
3. EntitiesTree — remove mount-time fetchEntityData(); use typeHeaderData +
metrics for initial tree; fetch full typedef only on expand
4. SideBarBody — lazy-mount tree components when accordion section expands
(React.lazy + Suspense + skeleton)
5. API priority tiers: Tier 1 (session + headers) → Tier 2 (metrics) → Tier 3
(audits/glossary via requestIdleCallback)
6. AbortController on route unmount for in-flight non-critical requests
Acceptance Criteria:
* Network tab: 1 audit call on search landing (not 6–7)
* Exactly 1 typedefs/headers request on search load
* No typedefs?type=entity on initial load unless Entities section expanded
* Collapsed sidebar sections do not trigger typedef API calls
* Initial load requests < 45 (from 65)
* Unit tests for deferred fetch, dedup, and tab-click behavior
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