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[PR #4106] Avoid creating checkpoint unless we're saving it #3651

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opened 2026-02-20 17:48:56 -05:00 by yindo · 0 comments
yindo commented 2026-02-20 17:48:56 -05:00
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Original Pull Request: https://github.com/langchain-ai/langgraph/pull/4106

State: closed
Merged: Yes

  • When checkpointing is disabled don't call create_checkpoint in PregelLoop
  • In local_read apply writes directly to copies of updated channels
  • Add BaseChannel.copy() method to create channel copies with less overhead
**Original Pull Request:** https://github.com/langchain-ai/langgraph/pull/4106 **State:** closed **Merged:** Yes --- - When checkpointing is disabled don't call create_checkpoint in PregelLoop - In local_read apply writes directly to copies of updated channels - Add BaseChannel.copy() method to create channel copies with less overhead
yindo added the pull-request label 2026-02-20 17:48:56 -05:00
yindo closed this issue 2026-02-20 17:48:56 -05:00
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Reference: langchain-ai/langgraph#3651
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