Whether you’re migrating from a third-party service to your own system, or from your system to something else, data migration is a critical process. This chapter covers strategies for successful migrations with minimal disruption.
Common Sources:
Motivations:
Scenarios:
Motivations:
Understand what you’re migrating:
Comment Data:
User Data:
Metadata:
Map source fields to destination:
Questions:
Assess source system:
Ideal:
Reality Often:
Move everything at once:
Process:
Advantages:
Disadvantages:
Best for:
Migrate incrementally:
Process:
Advantages:
Disadvantages:
Best for:
Run old and new simultaneously long-term:
Process:
Advantages:
Disadvantages:
Best for:
HTML to Markdown (or vice versa):
Character Encoding:
Sanitization:
Challenge: Source and destination have different ID schemes.
Solutions:
Critical for:
Comments associated with pages:
Scenarios:
Solutions:
Considerations:
Challenges:
Approaches:
Get data out of source system:
Methods:
Output:
Convert to destination format:
Build Transformation Pipeline:
Validation:
Import into destination system:
Methods:
Process:
Ensure migration success:
Verification Checks:
Sample Review:
Switch to new system:
Actions:
Timing:
After successful migration:
Tasks:
Source doesn’t have everything you need:
Options:
Avoiding double imports:
Strategies:
Millions of comments:
Strategies:
Comments still being posted:
Strategies:
Setup:
Process:
Compare:
Involve:
Define what constitutes failure:
Document:
Decision Points:
Before Migration:
During Migration:
After Migration:
Keep Informed:
Include:
Why:
Successful migrations require:
Don’t rush migrations. The time invested in planning and testing pays off in smooth execution.
The final chapter provides a decision framework for making key choices about your comment system.