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[Frontend] Add max_tokens prometheus metric #9881

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merged 3 commits into from
Nov 4, 2024

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tomeras91
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This PR adds reporting of max_tokens as a prometheus metric (histogram) - vllm:request_params_max_tokens.

The number of generated tokens is already reported (vllm:request_generation_tokens), but that's the number of tokens actually generated, which is generally different from the number of tokens requested by the user - max_tokens

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👋 Hi! Thank you for contributing to the vLLM project.
Just a reminder: PRs would not trigger full CI run by default. Instead, it would only run fastcheck CI which starts running only a small and essential subset of CI tests to quickly catch errors. You can run other CI tests on top of those by going to your fastcheck build on Buildkite UI (linked in the PR checks section) and unblock them. If you do not have permission to unblock, ping simon-mo or khluu to add you in our Buildkite org.

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…kens requested by the user, which is generally different than the number of tokens actually generated

Signed-off-by: Tomer Asida <[email protected]>
Signed-off-by: Tomer Asida <[email protected]>
@DarkLight1337
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@robertgshaw2-neuralmagic can you review this?

@simon-mo simon-mo enabled auto-merge (squash) November 4, 2024 19:33
@github-actions github-actions bot added the ready ONLY add when PR is ready to merge/full CI is needed label Nov 4, 2024
@simon-mo simon-mo merged commit ac04a97 into vllm-project:main Nov 4, 2024
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lk-chen pushed a commit to lk-chen/vllm that referenced this pull request Nov 4, 2024
lk-chen pushed a commit to lk-chen/vllm that referenced this pull request Nov 4, 2024
richardsliu pushed a commit to richardsliu/vllm that referenced this pull request Nov 4, 2024
bigPYJ1151 pushed a commit to bigPYJ1151/vllm that referenced this pull request Nov 5, 2024
DarkLight1337 pushed a commit that referenced this pull request Nov 5, 2024
@tomeras91 tomeras91 deleted the add-max-tokens-metric branch November 5, 2024 08:05
JC1DA pushed a commit to JC1DA/vllm that referenced this pull request Nov 11, 2024
sumitd2 pushed a commit to sumitd2/vllm that referenced this pull request Nov 14, 2024
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3 participants