From c4cc16ede2fa0bd0b6c7a81a38a3c36110e067ff Mon Sep 17 00:00:00 2001 From: mindesbunister Date: Thu, 4 Dec 2025 15:19:21 +0100 Subject: [PATCH] docs: EPYC cluster status report Dec 4, 2025 - Worker2 time restriction implementation complete - Stuck chunk 14 resolved - Performance impact analysis - Monitoring commands and verification tests - Expected behavior documentation --- cluster/STATUS_REPORT_DEC4_2025.md | 323 +++++++++++++++++++++++++++++ 1 file changed, 323 insertions(+) create mode 100644 cluster/STATUS_REPORT_DEC4_2025.md diff --git a/cluster/STATUS_REPORT_DEC4_2025.md b/cluster/STATUS_REPORT_DEC4_2025.md new file mode 100644 index 0000000..2c9b7fa --- /dev/null +++ b/cluster/STATUS_REPORT_DEC4_2025.md @@ -0,0 +1,323 @@ +# EPYC Cluster Status Report - December 4, 2025 + +**Report Time:** 15:18 CET (office hours) +**Issue:** Node 2 noise constraint during office hours (06:00-19:00) +**Status:** ✅ RESOLVED - Time-restricted scheduling implemented + +--- + +## Summary + +Successfully implemented time-based worker scheduling to manage Worker2 (bd-host01) noise constraint. Worker2 will now only process parameter sweep chunks during off-hours (19:00-06:00), while Worker1 continues 24/7 operation. + +--- + +## Current Cluster Status + +### Sweep Progress +- **Total Chunks:** 1,693 +- **Completed:** 64 (3.8%) +- **Running:** 1 (worker1: chunk 14) +- **Pending:** 1,628 + +### Worker Status (15:18 - Office Hours) +| Worker | Status | Current Load | Restriction | Notes | +|--------|--------|--------------|-------------|-------| +| Worker1 | ✅ Active | Processing chunk 14 | None | 24/7 operation | +| Worker2 | ⏸️ Idle | 0 processes | **19:00-06:00 only** | Waiting for off-hours | + +--- + +## Changes Implemented + +### 1. Time-Restricted Worker Configuration + +Added to `v9_advanced_coordinator.py`: + +```python +WORKERS = { + 'worker1': { + 'host': 'root@10.10.254.106', + 'workspace': '/home/comprehensive_sweep', + # No restriction - runs 24/7 + }, + 'worker2': { + 'host': 'root@10.20.254.100', + 'workspace': '/home/backtest_dual/backtest', + 'ssh_hop': 'root@10.10.254.106', + 'time_restricted': True, # Enable time control + 'allowed_start_hour': 19, # 7 PM start + 'allowed_end_hour': 6, # 6 AM end + } +} +``` + +### 2. Time Validation Function + +```python +def is_worker_allowed_to_run(worker_name: str) -> bool: + """Check if worker is allowed to run based on time restrictions""" + worker = WORKERS[worker_name] + + if not worker.get('time_restricted', False): + return True + + current_hour = datetime.now().hour + start_hour = worker['allowed_start_hour'] + end_hour = worker['allowed_end_hour'] + + # Handle overnight range (19:00-06:00) + if start_hour > end_hour: + allowed = current_hour >= start_hour or current_hour < end_hour + else: + allowed = start_hour <= current_hour < end_hour + + return allowed +``` + +### 3. Coordinator Integration + +Worker assignment loop now checks time restrictions: + +```python +for worker_name in WORKERS.keys(): + # Check if worker is allowed to run + if not is_worker_allowed_to_run(worker_name): + if iteration % 10 == 0: # Log every 10 iterations + print(f"⏰ {worker_name} not allowed (office hours, noise restriction)") + continue + + # ... proceed with work assignment ... +``` + +--- + +## Issues Resolved + +### Stuck Chunk Problem +- **Chunk ID:** v9_advanced_chunk_0014 +- **Issue:** Stuck in "running" state since Dec 2, 15:14 (46+ hours) +- **Cause:** Worker2 process failed but database wasn't updated +- **Resolution:** Reset to pending status +- **Current Status:** Reassigned to worker1, processing now + +```sql +UPDATE v9_advanced_chunks +SET status='pending', assigned_worker=NULL +WHERE id='v9_advanced_chunk_0014'; +``` + +--- + +## Performance Impact + +### Operating Hours Comparison + +**Before:** +- Worker1: 32 cores × 24h = 768 core-hours/day +- Worker2: 32 cores × 24h = 768 core-hours/day +- **Total:** 1,536 core-hours/day + +**After:** +- Worker1: 32 cores × 24h = 768 core-hours/day +- Worker2: 32 cores × 11h = 352 core-hours/day (19:00-06:00) +- **Total:** 1,120 core-hours/day + +**Impact:** -27% daily throughput (acceptable for quiet office hours) + +### Estimated Completion Time +- **Original Estimate:** ~40 days (both workers 24/7) +- **With Restriction:** ~54 days (worker2 time-limited) +- **Delta:** +14 days +- **Trade-off:** Worth it for quiet work environment + +--- + +## Verification Tests + +### Time Restriction Logic Test (14:18 CET) +```bash +$ python3 -c " +from datetime import datetime +current_hour = datetime.now().hour +allowed = current_hour >= 19 or current_hour < 6 +print(f'Current hour: {current_hour}') +print(f'Worker2 allowed: {allowed}') +" + +Current hour: 14 +Worker2 allowed: False ✅ CORRECT +``` + +### Worker Assignment Check +```bash +$ sqlite3 exploration.db " +SELECT assigned_worker, COUNT(*) +FROM v9_advanced_chunks +WHERE status='running' +GROUP BY assigned_worker; +" + +worker1|1 ✅ Only worker1 active during office hours +``` + +--- + +## Expected Behavior + +### During Office Hours (06:00 - 19:00) +- ✅ Worker1: Processing chunks continuously +- ⏸️ Worker2: Idle (no processes, no noise) +- 📋 Coordinator: Logs "⏰ worker2 not allowed (office hours)" every 10 iterations + +### During Off-Hours (19:00 - 06:00) +- ✅ Worker1: Processing chunks continuously +- ✅ Worker2: Processing chunks at full capacity +- 🚀 Both workers: Maximum throughput (64 cores combined) + +### Transition Times +- **19:00 (7 PM):** Worker2 becomes active, starts processing pending chunks +- **06:00 (6 AM):** Worker2 finishes current chunk, becomes idle until 19:00 + +--- + +## Monitoring Commands + +### Check Current Worker Status +```bash +# Worker1 processes +ssh root@10.10.254.106 "ps aux | grep v9_advanced_worker | wc -l" + +# Worker2 processes (should be 0 during office hours) +ssh root@10.10.254.106 "ssh root@10.20.254.100 'ps aux | grep v9_advanced_worker | wc -l'" +``` + +### Check Sweep Progress +```bash +cd /home/icke/traderv4/cluster +sqlite3 exploration.db " +SELECT + status, + COUNT(*) as chunks, + ROUND(100.0 * COUNT(*) / 1693, 1) as percent +FROM v9_advanced_chunks +GROUP BY status +ORDER BY status; +" +``` + +### Watch Coordinator Logs +```bash +# Real-time monitoring +tail -f /home/icke/traderv4/cluster/v9_advanced_coordinator.log + +# Watch for time restriction messages +tail -f /home/icke/traderv4/cluster/v9_advanced_coordinator.log | grep "⏰" +``` + +### Check Worker Assignments +```bash +sqlite3 exploration.db " +SELECT + assigned_worker, + status, + COUNT(*) as chunks +FROM v9_advanced_chunks +WHERE assigned_worker IS NOT NULL +GROUP BY assigned_worker, status; +" +``` + +--- + +## Manual Overrides (If Needed) + +### Temporarily Disable Time Restriction +If urgent sweep needed during office hours: + +1. Edit `/home/icke/traderv4/cluster/v9_advanced_coordinator.py` +2. Comment out time restriction: +```python +'worker2': { + # 'time_restricted': True, # DISABLED FOR URGENT SWEEP + 'allowed_start_hour': 19, + 'allowed_end_hour': 6, +} +``` +3. Restart coordinator: `pkill -f v9_advanced_coordinator && nohup python3 -u v9_advanced_coordinator.py >> v9_advanced_coordinator.log 2>&1 &` + +### Adjust Operating Hours +To change worker2 hours (e.g., 20:00-05:00): + +```python +'worker2': { + 'time_restricted': True, + 'allowed_start_hour': 20, # 8 PM + 'allowed_end_hour': 5, # 5 AM +} +``` + +Then restart coordinator. + +--- + +## Git Commits + +Changes committed and pushed to repository: + +1. **f40fd66** - `feat: Add time-restricted scheduling for worker2` + - Worker configuration with time restrictions + - Coordinator loop integration + +2. **f2f2992** - `fix: Add is_worker_allowed_to_run function definition` + - Time validation function implementation + +3. **0babd1e** - `docs: Add worker2 time restriction documentation` + - Complete guide (WORKER2_TIME_RESTRICTION.md) + +--- + +## Next Steps + +### Tonight (19:00 - After Hours) +- Worker2 will automatically activate at 19:00 +- Monitor first few chunks to ensure smooth operation +- Check logs: `tail -f v9_advanced_coordinator.log | grep worker2` + +### Tomorrow Morning (06:00) +- Verify worker2 stopped automatically at 06:00 +- Check overnight progress: How many chunks completed? +- Confirm office remains quiet during work hours + +### Weekly Monitoring +- Track worker2 contribution rate (chunks/night) +- Compare worker1 24/7 vs worker2 11h/day productivity +- Adjust hours if needed based on office schedule + +--- + +## Support + +**Files Modified:** +- `/home/icke/traderv4/cluster/v9_advanced_coordinator.py` - Time restriction logic +- `/home/icke/traderv4/cluster/exploration.db` - Reset stuck chunk 14 + +**Documentation:** +- `/home/icke/traderv4/cluster/WORKER2_TIME_RESTRICTION.md` - Complete guide +- `/home/icke/traderv4/cluster/STATUS_REPORT_DEC4_2025.md` - This report + +**Key Personnel:** +- Implementation: AI Agent (Dec 4, 2025) +- Requirement: User (noise constraint 06:00-19:00) + +--- + +## Conclusion + +✅ **Worker2 time restriction successfully implemented** +✅ **Stuck chunk 14 resolved** +✅ **Worker1 continues 24/7 processing** +⏸️ **Worker2 waiting for 19:00 to start** +📊 **Sweep progress: 3.8% (64/1693 chunks)** + +System operating as expected. Worker2 will automatically activate tonight at 19:00 and process chunks until 06:00 tomorrow morning. Office hours remain quiet while maintaining sweep progress through worker1.