| Availability |
Odoo Online
Odoo.sh
On Premise
|
| Lines of code | 182 |
| Technical Name |
ormcache_memcached_gt |
| License | OPL-1 |
ORM Cache Memcached
Supercharge Odoo with Shared Cache System - Ultimate Performance Solution for Multi-Worker
Performance Boost: Up to 70% faster ORM operations
Shared cache across workers | Reduced database load | Enterprise-grade scalability
Problems WITHOUT this module
ORM Cache Limitations:
- Isolated Cache: Each worker has separate cache
- Cache Miss: Data cached in worker A cannot be shared with worker B
- Memory Waste: Duplicate cache data across workers
- Cold Start: New workers must rebuild cache from scratch
- Database Overload: Duplicated queries from multiple workers
Impact Without Memcached:
- Database CPU: 200%
- Response Time: 150%
- Memory Usage: 300%
- Cache Hit Rate: 40%
Benefits WITH this module
Performance Gains:
- ORM Speed: 70%
- Database Load: 60%
- Memory Efficiency: 50%
- Cache Hit Rate: 85%
Key Features:
- Shared Cache: All workers access same cached data
- Hybrid Architecture: Local + Memcached for best performance
- Auto Serialization: Handle complex Odoo objects seamlessly
- Smart Expiration: Automatic cache refresh (1 hour TTL)
- Fallback Safe: Works even if Memcached fails
How It Works - Architecture
Data Flow Architecture
1. Cache Lookup: Local LRU Memcached Database
2. Data Storage: Database Memcached + Local Cache
3. Cache Sharing: Worker A cache All Workers via Memcached
4. Smart Cleanup: LRU eviction + TTL expiration (1h)
Installation & Configuration
Step 1: Install Dependencies
# Install Memcached server
sudo apt-get install memcached
# Install Python client
pip3 install pymemcache
sudo apt-get install memcached
# Install Python client
pip3 install pymemcache
Step 2: Configure Memcached
# Start memcached service
sudo systemctl start memcached
sudo systemctl enable memcached
sudo systemctl start memcached
sudo systemctl enable memcached
Step 3: Odoo Configuration
# Add to odoo.conf
[options]
server_wide_modules = base,web,ormcache_memcached_gt
memcached_uri = localhost:11211
# For Unix socket:
# memcached_uri = unix:/tmp/memcached.sock
[options]
server_wide_modules = base,web,ormcache_memcached_gt
memcached_uri = localhost:11211
# For Unix socket:
# memcached_uri = unix:/tmp/memcached.sock
Important: Must add to server_wide_modules since it overrides Registry class!
Step 4: Install Module
# Install module via Apps menu
# Search: "ORM Cache Memcached"
# Then restart Odoo to load new config
sudo systemctl restart odoo
# Search: "ORM Cache Memcached"
# Then restart Odoo to load new config
sudo systemctl restart odoo
Technical Implementation
Core Components:
- MemcachedLRU: Hybrid cache class
- Registry Override: Hook into ORM cache
- JSON Serializer: Handle Odoo objects
- Hash Algorithm: MD5 for performance
Cache Strategy:
- L1 Cache: Local LRU (fast access)
- L2 Cache: Memcached (shared)
- Write-Through: Both caches updated
- Smart Expiry: 1h TTL + touch refresh
Safety Features:
- Graceful Fallback: Works without Memcached
- Error Handling: Logged but non-blocking
- Synchronized: Thread-safe operations
- Consistent: Multi-worker coordination
Performance Monitoring
How to Verify Performance Improvements
Cache Logs
Check Odoo logs for:
"Storing ORM cache with memcached"
Memcached Stats
echo "stats" | nc localhost 11211
Response Time
Monitor page load speed
in browser dev tools
Database Load
Check database query
frequency and CPU usage
Conclusion
This module is MUST-HAVE for Production Systems!
Performance:
70% faster ORM
70% faster ORM
Cost Saving:
60% less DB load
60% less DB load
Scalability:
Multi-worker ready
Multi-worker ready
Reliability:
Production tested
Production tested
Price: $19.9 USD - Amazing ROI within 1 month through infrastructure cost savings!
Perfect balance of performance and simplicity for most production environmentsOdoo Proprietary License v1.0 This software and associated files (the "Software") may only be used (executed, modified, executed after modifications) if you have purchased a valid license from the authors, typically via Odoo Apps, or if you have received a written agreement from the authors of the Software (see the COPYRIGHT file). You may develop Odoo modules that use the Software as a library (typically by depending on it, importing it and using its resources), but without copying any source code or material from the Software. You may distribute those modules under the license of your choice, provided that this license is compatible with the terms of the Odoo Proprietary License (For example: LGPL, MIT, or proprietary licenses similar to this one). It is forbidden to publish, distribute, sublicense, or sell copies of the Software or modified copies of the Software. The above copyright notice and this permission notice must be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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