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index 0000000..a52b3f1
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diff --git a/scripts/LOAD_TEST_300_STUDENTS.md b/scripts/LOAD_TEST_300_STUDENTS.md
new file mode 100644
index 0000000..68c073f
--- /dev/null
+++ b/scripts/LOAD_TEST_300_STUDENTS.md
@@ -0,0 +1,202 @@
+# 🚀 Multi-PC Load Test - 300 Students Simultaneously
+
+## Overview
+
+This guide provides commands for **3 PCs** to test backend capacity by running **300 students simultaneously** (100 per PC).
+
+## 📊 Test Configuration
+
+- **Total Students**: 300
+- **Students per PC**: 100
+- **Concurrent Browsers per PC**: 30 (adjustable)
+- **Total Concurrent Browsers**: 90 (30 × 3)
+- **Backend Load**: 300 students hitting the server simultaneously
+
+## 🖥️ Commands for Each PC
+
+### PC 1 - First CSV (100 students)
+
+```bash
+cd /home/tech4biz/work/CP_Front_Automation_Test
+source venv/bin/activate
+
+python3 tests/load_tests/test_generic_load_assessments.py \
+    --csv students_with_passwords_2025-12-15T10-49-08_01.csv \
+    --start 0 --end 100 \
+    --workers 30 \
+    --headless \
+    --metrics-interval 10
+```
+
+### PC 2 - Second CSV (100 students)
+
+```bash
+cd /home/tech4biz/work/CP_Front_Automation_Test
+source venv/bin/activate
+
+python3 tests/load_tests/test_generic_load_assessments.py \
+    --csv students_with_passwords_2025-12-15T10-59-02_03.csv \
+    --start 0 --end 100 \
+    --workers 30 \
+    --headless \
+    --metrics-interval 10
+```
+
+### PC 3 - Third CSV (100 students)
+
+```bash
+cd /home/tech4biz/work/CP_Front_Automation_Test
+source venv/bin/activate
+
+python3 tests/load_tests/test_generic_load_assessments.py \
+    --csv students_with_passwords_2025-12-15T11-06-37_05.csv \
+    --start 0 --end 100 \
+    --workers 30 \
+    --headless \
+    --metrics-interval 10
+```
+
+## ⚡ Execution Steps
+
+1. **Prepare all 3 PCs**:
+   - Ensure all have the project cloned
+   - Ensure all have virtual environment activated
+   - Ensure all have dependencies installed
+   - Ensure backend is running and accessible
+
+2. **Coordinate start time**:
+   - Use a countdown (3... 2... 1... GO!)
+   - Or use a shared timer
+   - **CRITICAL**: All 3 must start at the same time
+
+3. **Run commands simultaneously**:
+   - PC 1: Run PC 1 command
+   - PC 2: Run PC 2 command
+   - PC 3: Run PC 3 command
+   - All at the exact same time
+
+4. **Monitor progress**:
+   - Each PC will show real-time metrics
+   - Check backend logs for API performance
+   - Monitor backend server resources
+
+## 🔧 Adjusting Workers (if PC crashes)
+
+If a PC crashes or runs out of resources, reduce workers:
+
+### Option 1: Reduce to 20 workers per PC
+```bash
+--workers 20  # Instead of 30
+```
+
+### Option 2: Reduce to 15 workers per PC
+```bash
+--workers 15  # More conservative
+```
+
+### Option 3: Reduce to 10 workers per PC
+```bash
+--workers 10  # Very conservative, but safer
+```
+
+**Note**: Lower workers = slower execution, but more stable
+
+## 📈 Expected Results
+
+### Backend Load
+- **300 students** hitting the backend simultaneously
+- **90 concurrent browsers** (30 per PC)
+- **All students** going through complete flow:
+  - Login
+  - Password reset (if needed)
+  - Profile completion (if needed)
+  - Assessment completion
+  - Feedback submission
+
+### Performance Metrics
+- Each PC will generate a report in `reports/load_tests/`
+- Check backend logs for:
+  - API response times
+  - Database query performance
+  - Server resource usage (CPU, RAM)
+  - Error rates
+
+## 🎯 Success Criteria
+
+### Backend Should Handle:
+- ✅ 300 concurrent logins
+- ✅ 300 concurrent password resets (if needed)
+- ✅ 300 concurrent profile completions (if needed)
+- ✅ 300 concurrent assessment submissions
+- ✅ 300 concurrent feedback submissions
+
+### What to Monitor:
+1. **Backend Response Times**: Should stay reasonable (< 5 seconds)
+2. **Error Rates**: Should be minimal (< 5%)
+3. **Server Resources**: CPU/RAM should not max out
+4. **Database Performance**: Queries should complete in time
+5. **API Timeouts**: Should be minimal
+
+## 📊 Results Analysis
+
+After test completion:
+
+1. **Collect reports from all 3 PCs**:
+   ```bash
+   # On each PC, check:
+   ls -lh reports/load_tests/load_test_Complete_Assessment_Flow_*users_*.json
+   ```
+
+2. **Check backend logs**:
+   - API response times
+   - Error logs
+   - Database query logs
+   - Server resource usage
+
+3. **Analyze results**:
+   - Success rate across all 300 students
+   - Average completion time
+   - Error patterns
+   - Backend bottlenecks
+
+## ⚠️ Troubleshooting
+
+### PC Crashes
+- **Symptom**: PC becomes unresponsive
+- **Solution**: Reduce `--workers` to 20 or 15
+
+### Backend Timeouts
+- **Symptom**: Many "timeout" errors in results
+- **Solution**: Backend may need scaling or optimization
+
+### High Error Rate
+- **Symptom**: > 10% failure rate
+- **Solution**: Check backend logs for root cause
+
+### Slow Performance
+- **Symptom**: Tests taking very long (> 2 hours)
+- **Solution**: Normal for 300 students, but check backend performance
+
+## 📝 Quick Reference
+
+### All 3 Commands (Copy-Paste Ready)
+
+**PC 1:**
+```bash
+cd /home/tech4biz/work/CP_Front_Automation_Test && source venv/bin/activate && python3 tests/load_tests/test_generic_load_assessments.py --csv students_with_passwords_2025-12-15T10-49-08_01.csv --start 0 --end 100 --workers 30 --headless --metrics-interval 10
+```
+
+**PC 2:**
+```bash
+cd /home/tech4biz/work/CP_Front_Automation_Test && source venv/bin/activate && python3 tests/load_tests/test_generic_load_assessments.py --csv students_with_passwords_2025-12-15T10-59-02_03.csv --start 0 --end 100 --workers 30 --headless --metrics-interval 10
+```
+
+**PC 3:**
+```bash
+cd /home/tech4biz/work/CP_Front_Automation_Test && source venv/bin/activate && python3 tests/load_tests/test_generic_load_assessments.py --csv students_with_passwords_2025-12-15T11-06-37_05.csv --start 0 --end 100 --workers 30 --headless --metrics-interval 10
+```
+
+---
+
+**Ready to test backend capacity for 300 concurrent users!** 🚀
+
diff --git a/scripts/PC1_100_students.sh b/scripts/PC1_100_students.sh
new file mode 100755
index 0000000..f17c98d
--- /dev/null
+++ b/scripts/PC1_100_students.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+# PC 1 - Load Test Command
+# 100 students from first CSV
+# Run this on PC 1
+
+cd /home/tech4biz/work/CP_Front_Automation_Test
+source venv/bin/activate
+
+python3 tests/load_tests/test_generic_load_assessments.py \
+    --csv students_with_passwords_2025-12-15T10-49-08_01.csv \
+    --start 0 --end 100 \
+    --workers 30 \
+    --headless \
+    --metrics-interval 10
+
diff --git a/scripts/PC2_100_students.sh b/scripts/PC2_100_students.sh
new file mode 100755
index 0000000..6c94b98
--- /dev/null
+++ b/scripts/PC2_100_students.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+# PC 2 - Load Test Command
+# 100 students from second CSV
+# Run this on PC 2
+
+cd /home/tech4biz/work/CP_Front_Automation_Test
+source venv/bin/activate
+
+python3 tests/load_tests/test_generic_load_assessments.py \
+    --csv students_with_passwords_2025-12-15T10-59-02_03.csv \
+    --start 0 --end 100 \
+    --workers 30 \
+    --headless \
+    --metrics-interval 10
+
diff --git a/scripts/PC3_100_students.sh b/scripts/PC3_100_students.sh
new file mode 100755
index 0000000..2ddfea5
--- /dev/null
+++ b/scripts/PC3_100_students.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+# PC 3 - Load Test Command
+# 100 students from third CSV
+# Run this on PC 3
+
+cd /home/tech4biz/work/CP_Front_Automation_Test
+source venv/bin/activate
+
+python3 tests/load_tests/test_generic_load_assessments.py \
+    --csv students_with_passwords_2025-12-15T11-06-37_05.csv \
+    --start 0 --end 100 \
+    --workers 30 \
+    --headless \
+    --metrics-interval 10
+
diff --git a/scripts/run_300_students_load_test.sh b/scripts/run_300_students_load_test.sh
new file mode 100755
index 0000000..3dc60f8
--- /dev/null
+++ b/scripts/run_300_students_load_test.sh
@@ -0,0 +1,86 @@
+#!/bin/bash
+# Multi-PC Load Test Script - 300 Students Simultaneously
+# 
+# This script provides commands for 3 PCs to test backend capacity
+# Each PC runs 100 students simultaneously
+# Total: 300 concurrent students hitting the backend
+#
+# Usage:
+#   PC 1: Run the command for PC 1
+#   PC 2: Run the command for PC 2  
+#   PC 3: Run the command for PC 3
+#   All at the same time to test 300 concurrent users
+
+echo "=================================================================================="
+echo "🚀 MULTI-PC LOAD TEST - 300 STUDENTS SIMULTANEOUSLY"
+echo "=================================================================================="
+echo ""
+echo "📋 INSTRUCTIONS:"
+echo "   1. Copy the command for your PC (PC 1, PC 2, or PC 3)"
+echo "   2. Run it on your respective machine"
+echo "   3. Start all 3 commands at the SAME TIME (coordinate via chat/phone)"
+echo "   4. This will test backend capacity for 300 concurrent users"
+echo ""
+echo "=================================================================================="
+echo ""
+
+# Configuration
+WORKERS_PER_PC=30  # 30 concurrent browsers per PC (adjust based on PC specs)
+METRICS_INTERVAL=10
+
+echo "📊 CONFIGURATION:"
+echo "   Workers per PC: $WORKERS_PER_PC"
+echo "   Total concurrent browsers: $((WORKERS_PER_PC * 3))"
+echo "   Total students: 300 (100 per PC)"
+echo "   Metrics interval: Every $METRICS_INTERVAL students"
+echo ""
+echo "=================================================================================="
+echo ""
+
+echo "🖥️  PC 1 COMMAND (First CSV - 100 students):"
+echo "----------------------------------------------------------------------"
+echo "cd /home/tech4biz/work/CP_Front_Automation_Test && source venv/bin/activate && \\"
+echo "python3 tests/load_tests/test_generic_load_assessments.py \\"
+echo "    --csv students_with_passwords_2025-12-15T10-49-08_01.csv \\"
+echo "    --start 0 --end 100 \\"
+echo "    --workers $WORKERS_PER_PC \\"
+echo "    --headless \\"
+echo "    --metrics-interval $METRICS_INTERVAL"
+echo ""
+echo "=================================================================================="
+echo ""
+
+echo "🖥️  PC 2 COMMAND (Second CSV - 100 students):"
+echo "----------------------------------------------------------------------"
+echo "cd /home/tech4biz/work/CP_Front_Automation_Test && source venv/bin/activate && \\"
+echo "python3 tests/load_tests/test_generic_load_assessments.py \\"
+echo "    --csv students_with_passwords_2025-12-15T10-59-02_03.csv \\"
+echo "    --start 0 --end 100 \\"
+echo "    --workers $WORKERS_PER_PC \\"
+echo "    --headless \\"
+echo "    --metrics-interval $METRICS_INTERVAL"
+echo ""
+echo "=================================================================================="
+echo ""
+
+echo "🖥️  PC 3 COMMAND (Third CSV - 100 students):"
+echo "----------------------------------------------------------------------"
+echo "cd /home/tech4biz/work/CP_Front_Automation_Test && source venv/bin/activate && \\"
+echo "python3 tests/load_tests/test_generic_load_assessments.py \\"
+echo "    --csv students_with_passwords_2025-12-15T11-06-37_05.csv \\"
+echo "    --start 0 --end 100 \\"
+echo "    --workers $WORKERS_PER_PC \\"
+echo "    --headless \\"
+echo "    --metrics-interval $METRICS_INTERVAL"
+echo ""
+echo "=================================================================================="
+echo ""
+
+echo "💡 TIPS:"
+echo "   - If PC crashes, reduce --workers to 20 or 15"
+echo "   - Monitor system resources: htop, free -h"
+echo "   - Results saved in: reports/load_tests/"
+echo "   - Check backend logs for API performance"
+echo ""
+echo "=================================================================================="
+
diff --git a/tests/load_tests/LOAD_TEST_ISSUE_ANALYSIS.md b/tests/load_tests/LOAD_TEST_ISSUE_ANALYSIS.md
new file mode 100644
index 0000000..1bda5d9
--- /dev/null
+++ b/tests/load_tests/LOAD_TEST_ISSUE_ANALYSIS.md
@@ -0,0 +1,182 @@
+# Load Test Issue Analysis - 100 Students Failed
+
+## 🔴 Issue 1: Chrome User Data Directory Conflict (FIXED)
+
+### Error
+```
+SessionNotCreatedException: session not created: probably user data directory is already in use, 
+please specify a unique value for --user-data-dir argument
+```
+
+### Root Cause
+- **Problem**: All 30 Chrome browsers were trying to use the same user data directory
+- **Result**: Chrome instances conflicted with each other and failed to start
+- **Impact**: 100% failure rate (all browsers crashed at startup)
+
+### Solution Applied ✅
+- **Fix**: Each browser now gets a **unique temporary user data directory**
+- **Implementation**: `tempfile.mkdtemp(prefix=f'chrome_user_data_{user_id}_')`
+- **Cleanup**: Temp directories are automatically cleaned up after driver quits
+
+### Status
+✅ **FIXED** - This issue is now resolved in the code
+
+---
+
+## 🔴 Issue 2: Metrics Interval Confusion (CLARIFICATION)
+
+### Your Question
+> "how can we get metrics interval at 10,10, because it's continuous process, all the Students should work simultaneously"
+
+### Clarification
+
+**`--metrics-interval 10` does NOT mean:**
+- ❌ Students run in batches of 10
+- ❌ Only 10 students run at a time
+- ❌ Students wait for each other
+
+**`--metrics-interval 10` ACTUALLY means:**
+- ✅ **Print metrics every 10 students complete**
+- ✅ All students run **simultaneously** (30 at a time with 30 workers)
+- ✅ Metrics are just printed for visibility, not controlling execution
+
+### How It Works
+
+```
+Timeline:
+0s:  Start 30 browsers (workers=30)
+5s:  Student 1 completes → metrics NOT printed (1 < 10)
+8s:  Student 2 completes → metrics NOT printed (2 < 10)
+...
+15s: Student 10 completes → ✅ METRICS PRINTED (10 % 10 == 0)
+20s: Student 11 completes → metrics NOT printed
+...
+30s: Student 20 completes → ✅ METRICS PRINTED (20 % 10 == 0)
+```
+
+**All 30 browsers are running simultaneously!** The metrics interval just controls when you see the progress report.
+
+### Visual Explanation
+
+```
+With --workers 30:
+┌─────────────────────────────────────────┐
+│  Browser 1  │ Browser 2  │ Browser 3   │  ← All start at same time
+│  Browser 4  │ Browser 5  │ Browser 6   │
+│  ...        │ ...        │ ...        │
+│  Browser 28 │ Browser 29 │ Browser 30 │
+└─────────────────────────────────────────┘
+     ↓           ↓           ↓
+  Running    Running    Running
+  (simultaneously, not in batches!)
+```
+
+---
+
+## 📊 What Actually Happened
+
+### Execution Flow
+1. ✅ Script started successfully
+2. ✅ Loaded 100 students from CSV
+3. ✅ Started 30 concurrent browsers (workers=30)
+4. ❌ **Chrome user data directory conflict** → All browsers failed to start
+5. ❌ All 100 students failed within 60 seconds
+
+### Error Breakdown
+- **User 1, 3, 4, etc.**: `SessionNotCreatedException` (user data dir conflict)
+- **User 2, etc.**: `InvalidSessionIdException` (browser crashed after conflict)
+
+### Why So Fast?
+- All failures happened at **browser startup** (within seconds)
+- No students even reached the backend
+- This is a **local Chrome configuration issue**, NOT a backend issue
+
+---
+
+## ✅ Solution Applied
+
+### Code Changes
+1. **Added unique user data directory** for each browser:
+   ```python
+   user_data_dir = tempfile.mkdtemp(prefix=f'chrome_user_data_{user_id}_')
+   options.add_argument(f'--user-data-dir={user_data_dir}')
+   ```
+
+2. **Added cleanup** for temp directories after driver quits
+
+### Test Again
+```bash
+./scripts/PC1_100_students.sh
+```
+
+**Expected Result**: Browsers should start successfully now!
+
+---
+
+## 🎯 Is This a Backend Issue?
+
+### Answer: **NO** - This is a local Chrome configuration issue
+
+**Evidence:**
+- ❌ No students reached the backend (all failed at browser startup)
+- ❌ Error is `SessionNotCreatedException` (Chrome issue, not API issue)
+- ❌ All failures happened within seconds (before any API calls)
+
+**Backend was never tested** because browsers couldn't even start!
+
+---
+
+## 📈 Next Steps
+
+1. **Test again with the fix**:
+   ```bash
+   ./scripts/PC1_100_students.sh
+   ```
+
+2. **If it works**, then proceed with 3 PCs (300 students)
+
+3. **Monitor backend** during the test:
+   - Check backend logs
+   - Monitor API response times
+   - Check database performance
+   - Monitor server resources (CPU, RAM)
+
+---
+
+## 💡 Understanding Metrics Interval
+
+### Current Behavior (Correct)
+- **30 workers** = 30 browsers running simultaneously
+- **Metrics interval 10** = Print progress every 10 completions
+- **All students process in parallel**, not sequentially
+
+### If You Want Different Behavior
+
+**Option 1: Print metrics more frequently**
+```bash
+--metrics-interval 5  # Print every 5 completions
+```
+
+**Option 2: Print metrics less frequently**
+```bash
+--metrics-interval 20  # Print every 20 completions
+```
+
+**Option 3: Print only at the end**
+```bash
+--metrics-interval 1000  # Print only at the end (if < 1000 students)
+```
+
+**Note**: This does NOT change how students run - they still run simultaneously!
+
+---
+
+## ✅ Summary
+
+1. **Issue 1 (FIXED)**: Chrome user data directory conflict → Each browser now has unique directory
+2. **Issue 2 (CLARIFIED)**: Metrics interval is just for printing, not batching
+3. **Backend**: Was never tested (browsers failed before reaching backend)
+4. **Next**: Test again with the fix to actually test backend capacity
+
+**The fix is ready - test again!** 🚀
+
diff --git a/tests/load_tests/test_generic_load_assessments.py b/tests/load_tests/test_generic_load_assessments.py
index d0446ad..8995f06 100644
--- a/tests/load_tests/test_generic_load_assessments.py
+++ b/tests/load_tests/test_generic_load_assessments.py
@@ -237,6 +237,7 @@ def complete_assessment_flow_for_student(
         raise ValueError(f"Missing 'data' in student_info: {student_info}")
     
     driver = None
+    user_data_dir = None  # Track temp directory for cleanup
     steps_completed = []
     cpid = student_info['cpid']
     student_data = student_info['data']
@@ -256,6 +257,13 @@ def complete_assessment_flow_for_student(
         options.add_argument('--disable-software-rasterizer')
         options.add_argument('--disable-extensions')
         
+        # CRITICAL: Each browser needs unique user data directory to avoid conflicts
+        import tempfile
+        import os
+        import shutil
+        user_data_dir = tempfile.mkdtemp(prefix=f'chrome_user_data_{user_id}_')
+        options.add_argument(f'--user-data-dir={user_data_dir}')
+        
         for attempt in range(3):
             try:
                 driver = webdriver.Chrome(options=options)
@@ -550,13 +558,17 @@ def complete_assessment_flow_for_student(
             performance_metrics['total_durations'].append(duration)
             performance_metrics['questions_answered'].append(questions_answered)
         
+        # Note: Driver cleanup is handled by LoadTestBase
+        # Temp directory cleanup will be done after driver.quit() in LoadTestBase
+        # Store user_data_dir in result for cleanup
         return {
             'driver': driver,
             'steps_completed': steps_completed,
             'success': True,
             'questions_answered': questions_answered,
             'cpid': cpid,
-            'duration': duration
+            'duration': duration,
+            'user_data_dir': user_data_dir  # For cleanup
         }
         
     except Exception as e:
@@ -566,13 +578,20 @@ def complete_assessment_flow_for_student(
         with progress_lock:
             performance_metrics['failed_students'] += 1
         
-        # Always cleanup driver on error
+        # Always cleanup driver and temp directory on error
         if driver:
             try:
                 driver.quit()
             except:
                 pass
         
+        # Cleanup temporary user data directory
+        if user_data_dir and os.path.exists(user_data_dir):
+            try:
+                shutil.rmtree(user_data_dir, ignore_errors=True)
+            except:
+                pass
+        
         # Re-raise with more context for LoadTestBase to handle
         raise Exception(error_msg)
 
diff --git a/utils/load_test_base.py b/utils/load_test_base.py
index 825a852..3484edb 100644
--- a/utils/load_test_base.py
+++ b/utils/load_test_base.py
@@ -202,6 +202,17 @@ class LoadTestBase:
                         try:
                             from utils.driver_manager import DriverManager
                             DriverManager.quit_driver(driver)
+                            
+                            # Clean up temporary user data directory if it exists
+                            user_data_dir = result.get('user_data_dir')
+                            if user_data_dir:
+                                import os
+                                import shutil
+                                try:
+                                    if os.path.exists(user_data_dir):
+                                        shutil.rmtree(user_data_dir, ignore_errors=True)
+                                except:
+                                    pass
                         except:
                             pass