checkpoint_manager
Differences
This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| checkpoint_manager [2025/04/25 23:40] – external edit 127.0.0.1 | checkpoint_manager [2025/06/05 17:39] (current) – [Checkpoint Manager] eagleeyenebula | ||
|---|---|---|---|
| Line 1: | Line 1: | ||
| ====== Checkpoint Manager ====== | ====== Checkpoint Manager ====== | ||
| - | * **[[https:// | + | **[[https:// |
| - | The **Checkpoint Manager** provides an efficient method to monitor and manage checkpoints during pipeline execution. | + | The **Checkpoint Manager** provides an efficient |
| + | {{youtube> | ||
| + | |||
| + | ------------------------------------------------------------- | ||
| + | |||
| + | By integrating checkpointing into the pipeline architecture, | ||
| ===== Overview ===== | ===== Overview ===== | ||
| Line 24: | Line 29: | ||
| The **Checkpoint Manager** ensures: | The **Checkpoint Manager** ensures: | ||
| 1. **Fault Tolerance**: | 1. **Fault Tolerance**: | ||
| - | | + | * Monitor pipeline execution stages to recover from unexpected terminations. |
| 2. **Efficiency**: | 2. **Efficiency**: | ||
| - | Avoid redundant computation or processes by skipping completed stages. | + | * Avoid redundant computation or processes by skipping completed stages. |
| 3. **Flexibility**: | 3. **Flexibility**: | ||
| - | | + | * Integrates seamlessly into diverse pipeline frameworks, including data preprocessing, |
| ===== System Design ===== | ===== System Design ===== | ||
| - | The **Checkpoint Manager** system uses Python' | + | The **Checkpoint Manager** system uses Python' |
| ==== Core Class: CheckpointManager ==== | ==== Core Class: CheckpointManager ==== | ||
| - | ```python | + | < |
| + | python | ||
| import os | import os | ||
| import logging | import logging | ||
| Line 80: | Line 86: | ||
| os.remove(os.path.join(self.checkpoint_dir, | os.remove(os.path.join(self.checkpoint_dir, | ||
| logging.info(" | logging.info(" | ||
| - | ``` | + | </ |
| ==== Design Principles ==== | ==== Design Principles ==== | ||
| Line 101: | Line 107: | ||
| This demonstrates checkpoint management for common pipeline stages. | This demonstrates checkpoint management for common pipeline stages. | ||
| - | ```python | + | < |
| + | python | ||
| from checkpoint_manager import CheckpointManager | from checkpoint_manager import CheckpointManager | ||
| Line 120: | Line 127: | ||
| # Pipeline intelligently resumes or completes only missing stages | # Pipeline intelligently resumes or completes only missing stages | ||
| - | ``` | + | </ |
| ==== Example 2: Clearing All Checkpoints ==== | ==== Example 2: Clearing All Checkpoints ==== | ||
| Line 126: | Line 133: | ||
| To restart a pipeline, clear existing checkpoints. | To restart a pipeline, clear existing checkpoints. | ||
| - | ```python | + | < |
| + | python | ||
| from checkpoint_manager import CheckpointManager | from checkpoint_manager import CheckpointManager | ||
| checkpoint_manager = CheckpointManager() | checkpoint_manager = CheckpointManager() | ||
| checkpoint_manager.clear_checkpoints() | checkpoint_manager.clear_checkpoints() | ||
| - | ``` | + | </ |
| **Logging Output**: | **Logging Output**: | ||
| - | ``` | + | < |
| INFO - All checkpoints cleared. | INFO - All checkpoints cleared. | ||
| - | ``` | + | </ |
| ==== Example 3: Custom Checkpoint Directory ==== | ==== Example 3: Custom Checkpoint Directory ==== | ||
| Line 142: | Line 150: | ||
| Set a custom directory to manage checkpoints for specific workflows. | Set a custom directory to manage checkpoints for specific workflows. | ||
| - | ```python | + | < |
| + | python | ||
| from checkpoint_manager import CheckpointManager | from checkpoint_manager import CheckpointManager | ||
| Line 150: | Line 159: | ||
| # Save and manage checkpoints in the custom directory | # Save and manage checkpoints in the custom directory | ||
| checkpoint_manager.save_checkpoint(" | checkpoint_manager.save_checkpoint(" | ||
| - | ``` | + | </ |
| ==== Example 4: Advanced Error Handling ==== | ==== Example 4: Advanced Error Handling ==== | ||
| Line 156: | Line 165: | ||
| Gracefully handle errors during checkpoint creation or validation. | Gracefully handle errors during checkpoint creation or validation. | ||
| - | ```python | + | < |
| + | python | ||
| try: | try: | ||
| checkpoint_manager.save_checkpoint(" | checkpoint_manager.save_checkpoint(" | ||
| except Exception as e: | except Exception as e: | ||
| print(f" | print(f" | ||
| - | ``` | + | </ |
| ==== Example 5: Monitoring Multiple Pipelines ==== | ==== Example 5: Monitoring Multiple Pipelines ==== | ||
| Line 167: | Line 177: | ||
| Manage distinct pipelines with separate checkpoint directories. | Manage distinct pipelines with separate checkpoint directories. | ||
| - | ```python | + | < |
| + | python | ||
| pipeline_1_manager = CheckpointManager(" | pipeline_1_manager = CheckpointManager(" | ||
| pipeline_2_manager = CheckpointManager(" | pipeline_2_manager = CheckpointManager(" | ||
| Line 176: | Line 187: | ||
| if not pipeline_2_manager.has_checkpoint(" | if not pipeline_2_manager.has_checkpoint(" | ||
| pipeline_2_manager.save_checkpoint(" | pipeline_2_manager.save_checkpoint(" | ||
| - | ``` | + | </ |
| ===== Advanced Features ===== | ===== Advanced Features ===== | ||
| 1. **Checkpoint Metadata**: | 1. **Checkpoint Metadata**: | ||
| - | Add metadata (e.g., timestamps, user information) to checkpoints for detailed tracking. | + | * Add metadata (e.g., timestamps, user information) to checkpoints for detailed tracking. |
| - | ```python | + | < |
| + | | ||
| | | ||
| with open(checkpoint_file, | with open(checkpoint_file, | ||
| | | ||
| - | ``` | + | </ |
| 2. **Encryption**: | 2. **Encryption**: | ||
| - | | + | * Encrypt checkpoint files for sensitive workflows using libraries like **cryptography**. |
| 3. **Distributed Checkpointing**: | 3. **Distributed Checkpointing**: | ||
| - | Share checkpoint directories across multiple nodes in distributed systems. | + | * Share checkpoint directories across multiple nodes in distributed systems. |
| 4. **Versioned Checkpoints**: | 4. **Versioned Checkpoints**: | ||
| - | | + | * Maintain backups of older checkpoints for debugging and restoration. |
| ===== Use Cases ===== | ===== Use Cases ===== | ||
| Line 199: | Line 211: | ||
| 1. **AI/ML Pipelines**: | 1. **AI/ML Pipelines**: | ||
| - | Save progress at each stage of data preprocessing, | + | * Save progress at each stage of data preprocessing, |
| 2. **Data Processing Workflows**: | 2. **Data Processing Workflows**: | ||
| - | | + | * Manage complex extract-transform-load (**ETL**) processes with multiple stages. |
| 3. **Resumable Processing Tasks**: | 3. **Resumable Processing Tasks**: | ||
| - | | + | * Implement checkpoints in streaming data analysis systems for resuming upon failures. |
| 4. **Deployment Pipelines**: | 4. **Deployment Pipelines**: | ||
| - | | + | * Manage multi-step deployment processes with rollback capabilities. |
| 5. **Distributed Systems**: | 5. **Distributed Systems**: | ||
| - | Track progress across nodes and processes in distributed AI or big data workflows. | + | * Track progress across nodes and processes in distributed AI or big data workflows. |
| ===== Future Enhancements ===== | ===== Future Enhancements ===== | ||
| Line 213: | Line 225: | ||
| Potential future improvements for the system include: | Potential future improvements for the system include: | ||
| - | - **High-Availability Checkpoints**: | + | **High-Availability Checkpoints**: |
| - | Store checkpoints in high-availability storage systems (e.g., AWS S3) for improved resilience. | + | |
| - | | + | **UI Dashboard**: |
| - | Develop a dashboard for visualizing pipeline progress and checkpoint states. | + | |
| - | | + | **Parallel Checkpoint Management**: |
| - | Simultaneously manage checkpoints for concurrent pipelines. | + | |
| - | | + | **Database as a Backend**: |
| - | Use SQLite or PostgreSQL for persistent, queryable checkpoint storage. | + | |
| ===== Conclusion ===== | ===== Conclusion ===== | ||
| - | The **Checkpoint Manager** provides a simple yet powerful mechanism for implementing fault-tolerant and resumable pipelines. Its lightweight design | + | The **Checkpoint Manager** |
| + | Beyond its core functionality, | ||
checkpoint_manager.1745624454.txt.gz · Last modified: 2025/04/25 23:40 by 127.0.0.1
