LangGraph Checkpointing

Persist workflow state for recovery and debugging.

Checkpointer Options

from langgraph.checkpoint import MemorySaver
from langgraph.checkpoint.sqlite import SqliteSaver
from langgraph.checkpoint.postgres import PostgresSaver

# Development: In-memory
memory = MemorySaver()
app = workflow.compile(checkpointer=memory)

# Production: SQLite
checkpointer = SqliteSaver.from_conn_string("checkpoints.db")
app = workflow.compile(checkpointer=checkpointer)