langgraph-persistence
Originally fromlangchain-ai/langchain-skills
Installation
SKILL.md
- Checkpointer: Saves/loads graph state at every super-step
- Thread ID: Identifies separate checkpoint sequences (conversations)
- Store: Cross-thread memory for user preferences, facts
Two memory types:
- Short-term (checkpointer): Thread-scoped conversation history
- Long-term (store): Cross-thread user preferences, facts
| Checkpointer | Use Case | Production Ready |
|---|---|---|
InMemorySaver |
Testing, development | No |
SqliteSaver |
Local development | Partial |
PostgresSaver |
Production | Yes |