From d1e266125e9fd03e7ebc4fffee1ba737532cb04a Mon Sep 17 00:00:00 2001 From: "open-swe[bot]" Date: Mon, 28 Jul 2025 22:27:43 +0000 Subject: [PATCH] Apply patch --- LANGSMITH_WORKSPACE_STATS_ISSUE_ANALYSIS.md | 201 ++++++++++++++++++++ 1 file changed, 201 insertions(+) diff --git a/LANGSMITH_WORKSPACE_STATS_ISSUE_ANALYSIS.md b/LANGSMITH_WORKSPACE_STATS_ISSUE_ANALYSIS.md index 756e1187172..a9abb80f113 100644 --- a/LANGSMITH_WORKSPACE_STATS_ISSUE_ANALYSIS.md +++ b/LANGSMITH_WORKSPACE_STATS_ISSUE_ANALYSIS.md @@ -181,3 +181,204 @@ This issue requires investigation of: 2. **Database query logic** for workspace statistics 3. **API endpoint implementation** differences between stats and table views +--- + +# Issue Resolution Guidance + +## Problem Classification + +**Issue Type**: LangSmith Platform Backend Bug +**Severity**: Data Inconsistency - UI Display Mismatch +**Location**: Server-side API endpoint implementation +**Impact**: User confusion due to conflicting project counts + +## Technical Investigation Required + +### 1. API Endpoint Analysis + +#### Primary Endpoint Investigation +**Target**: `{apiWorkspacesPath}/current/stats` +- **Function**: `get_current_workspace_stats()` +- **Returns**: `tracer_session_count` (currently showing 55) +- **Issue**: Count doesn't match visible projects in table + +#### Secondary Endpoint Investigation +**Target**: Tracing table data endpoint (likely `/projects` or `/sessions`) +- **Function**: Project listing/pagination logic +- **Returns**: Visible project list (currently showing 5) +- **Issue**: Different counting methodology than stats endpoint + +### 2. API Response Comparison Strategy + +#### Step 1: Capture API Responses +```bash +# Stats endpoint response +curl -X GET "{apiWorkspacesPath}/current/stats" \ + -H "Authorization: Bearer {token}" \ + -H "Content-Type: application/json" + +# Expected response structure: +{ + "tracer_session_count": 55, + "other_stats": "...", + ... +} +``` + +```bash +# Table/listing endpoint response +curl -X GET "{apiWorkspacesPath}/projects" \ + -H "Authorization: Bearer {token}" \ + -H "Content-Type: application/json" + +# Expected response structure: +{ + "projects": [...], // Array of 5 visible projects + "total_count": ?, // Compare with stats count + "pagination": {...} +} +``` + +#### Step 2: Response Analysis Questions +1. **Count Discrepancy**: Why does `tracer_session_count` (55) ≠ visible projects (5)? +2. **Data Source**: Do both endpoints query the same database tables? +3. **Filtering Logic**: Are different WHERE clauses applied? +4. **Caching**: Is the stats endpoint using stale cached data? + +### 3. Potential Root Causes Analysis + +#### Cause 1: Data Inconsistency +**Hypothesis**: Stats endpoint counts ALL sessions, table shows only ACTIVE/VISIBLE ones + +**Investigation Points**: +- Check if stats includes deleted/archived projects +- Verify if stats counts system/internal projects +- Compare database queries for different session states + +**Database Query Comparison**: +```sql +-- Stats endpoint query (suspected) +SELECT COUNT(*) as tracer_session_count +FROM tracer_sessions +WHERE workspace_id = ?; + +-- Table endpoint query (suspected) +SELECT * FROM tracer_sessions +WHERE workspace_id = ? + AND status = 'active' + AND deleted_at IS NULL + AND visible = true +LIMIT 20 OFFSET 0; +``` + +#### Cause 2: Caching Problems +**Hypothesis**: Stats endpoint uses cached data that's not invalidated properly + +**Investigation Points**: +- Check cache TTL settings for workspace stats +- Verify cache invalidation triggers (project creation/deletion) +- Compare fresh database query vs cached response +- Look for cache warming/refresh mechanisms + +**Cache Investigation**: +```python +# Pseudo-code for cache analysis +def get_current_workspace_stats(): + cache_key = f"workspace_stats_{workspace_id}" + cached_stats = redis.get(cache_key) + + if cached_stats: + return cached_stats # Potentially stale data + + # Fresh database query + stats = database.query_workspace_stats(workspace_id) + redis.setex(cache_key, TTL, stats) + return stats +``` + +#### Cause 3: Different Filtering Logic +**Hypothesis**: Sidebar and table use different business logic for "project" definition + +**Investigation Points**: +- Compare project visibility rules between endpoints +- Check user permission filtering differences +- Verify workspace-level vs user-level project access +- Analyze project type filtering (user vs system projects) + +**Filtering Logic Comparison**: +```python +# Stats endpoint filtering (suspected) +def count_tracer_sessions(workspace_id): + return db.count( + table='tracer_sessions', + where={'workspace_id': workspace_id} + ) + +# Table endpoint filtering (suspected) +def list_tracer_sessions(workspace_id, user_id): + return db.query( + table='tracer_sessions', + where={ + 'workspace_id': workspace_id, + 'user_id': user_id, # User-specific filtering + 'status': 'active', + 'deleted_at': None + }, + limit=20 + ) +``` + +#### Cause 4: Pagination Logic Issues +**Hypothesis**: Table pagination doesn't reflect true total count + +**Investigation Points**: +- Check if table shows "5 of 55" or just "5 total" +- Verify pagination metadata in API responses +- Compare `total_count` field vs `tracer_session_count` +- Test pagination navigation (next/previous pages) + +### 4. Debugging Methodology + +#### Phase 1: Data Verification +1. **Direct Database Query**: Run raw SQL to get actual project counts +2. **API Response Logging**: Enable detailed logging for both endpoints +3. **Cache Analysis**: Check Redis/cache contents for workspace stats +4. **User Context**: Verify if issue is user-specific or workspace-wide + +#### Phase 2: Code Analysis +1. **Function Comparison**: Compare `get_current_workspace_stats()` vs table query logic +2. **Database Schema**: Review tracer_sessions table structure and indexes +3. **Business Logic**: Analyze project visibility and filtering rules +4. **Cache Implementation**: Review caching strategy and invalidation logic + +#### Phase 3: Testing Strategy +1. **Create Test Project**: Add new project and verify both endpoints update +2. **Delete Test Project**: Remove project and check if both endpoints reflect change +3. **User Permission Test**: Test with different user roles/permissions +4. **Cache Invalidation Test**: Force cache refresh and compare results + +## Expected Investigation Outcomes + +### Scenario 1: Data Inconsistency Found +- **Solution**: Align filtering logic between endpoints +- **Fix**: Update stats query to match table visibility rules +- **Validation**: Verify counts match after fix + +### Scenario 2: Caching Issue Identified +- **Solution**: Fix cache invalidation or reduce TTL +- **Fix**: Update cache refresh triggers +- **Validation**: Test real-time count updates + +### Scenario 3: Business Logic Mismatch +- **Solution**: Standardize project counting methodology +- **Fix**: Update either stats or table logic for consistency +- **Validation**: Document and test new counting rules + +### Scenario 4: UI/Frontend Issue +- **Solution**: Fix frontend display logic +- **Fix**: Update sidebar or table rendering +- **Validation**: Verify UI shows consistent counts + +This comprehensive investigation approach should identify the root cause of the 55 vs 5 project count discrepancy in the LangSmith platform. + +