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[PR #6144] feat(checkpoint-dynamodb): add DynamoDB checkpointer (minimal, tested with moto) #4865

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opened 2026-02-20 17:50:52 -05:00 by yindo · 0 comments
yindo commented 2026-02-20 17:50:52 -05:00
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Original Pull Request: https://github.com/langchain-ai/langgraph/pull/6144

State: closed
Merged: No

Description
Adds a DynamoDB implementation of LangGraph’s BaseCheckpointSaver
(get/get_tuple/list/put/put_writes/delete_thread + async shims), plus tests
(using moto) and a README with table schema + TTL.

Issue
N/A (new feature)

Dependencies
Adds boto3 and moto[dynamodb] as dependencies for this package.

Notes
Mirrors the style and structure of checkpoint-postgres. Happy to adjust
package path, key schema, or test approach based on maintainer feedback.

Verification
pytest -q libs/checkpoint-dynamodb passes locally with moto.

**Original Pull Request:** https://github.com/langchain-ai/langgraph/pull/6144 **State:** closed **Merged:** No --- **Description** Adds a DynamoDB implementation of LangGraph’s `BaseCheckpointSaver` (`get/get_tuple/list/put/put_writes/delete_thread` + async shims), plus tests (using `moto`) and a README with table schema + TTL. **Issue** N/A (new feature) **Dependencies** Adds `boto3` and `moto[dynamodb]` as dependencies for this package. **Notes** Mirrors the style and structure of `checkpoint-postgres`. Happy to adjust package path, key schema, or test approach based on maintainer feedback. **Verification** `pytest -q libs/checkpoint-dynamodb` passes locally with `moto`.
yindo added the pull-request label 2026-02-20 17:50:52 -05:00
yindo closed this issue 2026-02-20 17:50:52 -05:00
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Reference: langchain-ai/langgraph#4865
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