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Trace checkpointer operations #366

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opened 2026-02-15 18:16:14 -05:00 by yindo · 1 comment
yindo commented 2026-02-15 18:16:14 -05:00
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Originally created by @jacoblee93 on GitHub (Sep 24, 2025).

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  • I am a LangGraph.js maintainer, or was asked directly by a LangGraph.js maintainer to create an issue here.

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To get a clearer picture of where latency is coming from within nodes, it would be nice to create a run for checkpointer operations. May not want to trace the full input/output to avoid sending a ton of redundant data up outside of debug mode.

Originally created by @jacoblee93 on GitHub (Sep 24, 2025). ### Privileged issue - [x] I am a LangGraph.js maintainer, or was asked directly by a LangGraph.js maintainer to create an issue here. ### Issue Content To get a clearer picture of where latency is coming from within nodes, it would be nice to create a run for checkpointer operations. May not want to trace the full input/output to avoid sending a ton of redundant data up outside of debug mode.
yindo commented 2026-02-15 18:16:15 -05:00
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@hntrl commented on GitHub (Sep 24, 2025):

Additional context: this is coming from some performance metrics that we can't reliably know if it's coming from checkpointing/pregel/whatever overhead exists (it very well might not be coming from LG, but we just don't know for sure)

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@hntrl commented on GitHub (Sep 24, 2025): Additional context: this is coming from some performance metrics that we can't reliably know if it's coming from checkpointing/pregel/whatever overhead exists (it very well might not be coming from LG, but we just don't know for sure) <img width="938" height="717" alt="Image" src="https://github.com/user-attachments/assets/aa3c2415-a7a8-4043-9d6e-dd10abca16df" />
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Reference: langchain-ai/langgraphjs#366
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