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[server] save generated text for the /slots endpoint (for LLAMA_SERVER_SLOTS_DEBUG=1) - #19622

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ngxson merged 3 commits into
ggml-org:masterfrom
matteoserva:debug-generated-text
Feb 18, 2026
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[server] save generated text for the /slots endpoint (for LLAMA_SERVER_SLOTS_DEBUG=1)#19622
ngxson merged 3 commits into
ggml-org:masterfrom
matteoserva:debug-generated-text

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when the environment variable LLAMA_SERVER_SLOTS_DEBUG=1 is set, the /slots endpoint allows reading the last prompt and the last generated text.

The slot reset also deletes the generated text, so it always looks empty when the slot is idle.

This PR adds a variable to allow keeping the data until a new generation is started.

Comment thread tools/server/server-context.cpp Outdated
@matteoserva
matteoserva requested a review from ngxson February 18, 2026 14:46
Comment thread tools/server/server-context.cpp Outdated
Comment thread tools/server/server-context.cpp Outdated
@ngxson
ngxson merged commit b55dcde into ggml-org:master Feb 18, 2026
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liparetejas pushed a commit to liparetejas/llama.cpp that referenced this pull request Feb 23, 2026
…_SLOTS_DEBUG=1) (ggml-org#19622)

* save generated text for the /slots endpoint

* update debug_generated_text only when LLAMA_SERVER_SLOTS_DEBUG > 0

* Apply suggestions from code review

---------

Co-authored-by: Matteo <matteo@matteo>
Co-authored-by: Xuan-Son Nguyen <thichthat@gmail.com>
bartowski1182 pushed a commit to bartowski1182/llama.cpp that referenced this pull request Mar 2, 2026
…_SLOTS_DEBUG=1) (ggml-org#19622)

* save generated text for the /slots endpoint

* update debug_generated_text only when LLAMA_SERVER_SLOTS_DEBUG > 0

* Apply suggestions from code review

---------

Co-authored-by: Matteo <matteo@matteo>
Co-authored-by: Xuan-Son Nguyen <thichthat@gmail.com>
ArberSephirotheca pushed a commit to ArberSephirotheca/llama.cpp that referenced this pull request Mar 3, 2026
…_SLOTS_DEBUG=1) (ggml-org#19622)

* save generated text for the /slots endpoint

* update debug_generated_text only when LLAMA_SERVER_SLOTS_DEBUG > 0

* Apply suggestions from code review

---------

Co-authored-by: Matteo <matteo@matteo>
Co-authored-by: Xuan-Son Nguyen <thichthat@gmail.com>
Seunghhon pushed a commit to Seunghhon/llama.cpp that referenced this pull request Apr 26, 2026
…_SLOTS_DEBUG=1) (ggml-org#19622)

* save generated text for the /slots endpoint

* update debug_generated_text only when LLAMA_SERVER_SLOTS_DEBUG > 0

* Apply suggestions from code review

---------

Co-authored-by: Matteo <matteo@matteo>
Co-authored-by: Xuan-Son Nguyen <thichthat@gmail.com>
ljubomirj pushed a commit to ljubomirj/llama.cpp that referenced this pull request May 6, 2026
…_SLOTS_DEBUG=1) (ggml-org#19622)

* save generated text for the /slots endpoint

* update debug_generated_text only when LLAMA_SERVER_SLOTS_DEBUG > 0

* Apply suggestions from code review

---------

Co-authored-by: Matteo <matteo@matteo>
Co-authored-by: Xuan-Son Nguyen <thichthat@gmail.com>
my-other-github-account pushed a commit to my-other-github-account/llama.cpp that referenced this pull request May 15, 2026
…_SLOTS_DEBUG=1) (ggml-org#19622)

* save generated text for the /slots endpoint

* update debug_generated_text only when LLAMA_SERVER_SLOTS_DEBUG > 0

* Apply suggestions from code review

---------

Co-authored-by: Matteo <matteo@matteo>
Co-authored-by: Xuan-Son Nguyen <thichthat@gmail.com>
my-other-github-account pushed a commit to my-other-github-account/llama.cpp that referenced this pull request May 15, 2026
…_SLOTS_DEBUG=1) (ggml-org#19622)

* save generated text for the /slots endpoint

* update debug_generated_text only when LLAMA_SERVER_SLOTS_DEBUG > 0

* Apply suggestions from code review

---------

Co-authored-by: Matteo <matteo@matteo>
Co-authored-by: Xuan-Son Nguyen <thichthat@gmail.com>
fewtarius pushed a commit to fewtarius/CachyLLama that referenced this pull request May 30, 2026
…_SLOTS_DEBUG=1) (ggml-org#19622)

* save generated text for the /slots endpoint

* update debug_generated_text only when LLAMA_SERVER_SLOTS_DEBUG > 0

* Apply suggestions from code review

---------

Co-authored-by: Matteo <matteo@matteo>
Co-authored-by: Xuan-Son Nguyen <thichthat@gmail.com>
fukuro-kun pushed a commit to fukuro-kun/fukuro-llama-cpp-turboquant that referenced this pull request Jul 5, 2026
…_SLOTS_DEBUG=1) (ggml-org#19622)

* save generated text for the /slots endpoint

* update debug_generated_text only when LLAMA_SERVER_SLOTS_DEBUG > 0

* Apply suggestions from code review

---------

Co-authored-by: Matteo <matteo@matteo>
Co-authored-by: Xuan-Son Nguyen <thichthat@gmail.com>
MrLordCat referenced this pull request in MrLordCat/llama.cpp-rdna-lab Jul 16, 2026
…_SLOTS_DEBUG=1) (#19622)

* save generated text for the /slots endpoint

* update debug_generated_text only when LLAMA_SERVER_SLOTS_DEBUG > 0

* Apply suggestions from code review

---------

Co-authored-by: Matteo <matteo@matteo>
Co-authored-by: Xuan-Son Nguyen <thichthat@gmail.com>
zommiommy pushed a commit to zommiommy/llama.cpp that referenced this pull request Aug 18, 2026
…_SLOTS_DEBUG=1) (ggml-org#19622)

* save generated text for the /slots endpoint

* update debug_generated_text only when LLAMA_SERVER_SLOTS_DEBUG > 0

* Apply suggestions from code review

---------

Co-authored-by: Matteo <matteo@matteo>
Co-authored-by: Xuan-Son Nguyen <thichthat@gmail.com>
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2 participants