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@njhill njhill commented Jul 28, 2025

Follow-on from #21445 which I hadn't finished reviewing.

  • Rename method from "bind process name" to "set process title" which is clearer imo.
  • Choose process names more carefully, decouple from class names.
  • Correctly include/order DP/PP/TP ranks in worker proc names.
  • Don't change the title of the top-level processes (which may be confusing to administrators who expect it to match the command line).
  • [Related] Add APIServer process logging prefix in single-API-server case to match multi-api-server log appearance.

Follow-on from vllm-project#21445 which I hadn't finished reviewing.

- Rename method from "bind process name" to "set process title" which is clearer imo.
- Choose process names more carefully, decouple from class names.
- Correctly include/order DP/PP/TP ranks in worker proc names.
- Don't change the title of the top-level processes (which may be confusing to administrators who expect it to match the command line).
- [Related] Add APIServer process logging prefix in single-API-server case to match multi-api-server log appearance.

Signed-off-by: Nick Hill <[email protected]>
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Code Review

This pull request refactors process title handling for better clarity and correctness. It renames bind_process_name to set_process_title, improves the naming logic for worker processes to correctly include distributed ranks, and avoids renaming top-level processes. A logging prefix is also added for the single API server case to align with the multi-server case. My review identified a logical bug in the new set_process_title function that causes incorrect process titles when appending. I've provided a suggestion to fix this.

Signed-off-by: Nick Hill <[email protected]>
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Thanks for the cleanup!

@DarkLight1337 DarkLight1337 enabled auto-merge (squash) July 29, 2025 01:31
@github-actions github-actions bot added the ready ONLY add when PR is ready to merge/full CI is needed label Jul 29, 2025
@DarkLight1337 DarkLight1337 merged commit 7234fe2 into vllm-project:main Jul 29, 2025
78 checks passed
liuyumoye pushed a commit to liuyumoye/vllm that referenced this pull request Jul 31, 2025
x22x22 pushed a commit to x22x22/vllm that referenced this pull request Aug 5, 2025
Pradyun92 pushed a commit to Pradyun92/vllm that referenced this pull request Aug 6, 2025
npanpaliya pushed a commit to odh-on-pz/vllm-upstream that referenced this pull request Aug 6, 2025
jinzhen-lin pushed a commit to jinzhen-lin/vllm that referenced this pull request Aug 9, 2025
Signed-off-by: Nick Hill <[email protected]>
Signed-off-by: Jinzhen Lin <[email protected]>
noamgat pushed a commit to noamgat/vllm that referenced this pull request Aug 9, 2025
paulpak58 pushed a commit to paulpak58/vllm that referenced this pull request Aug 13, 2025
diegocastanibm pushed a commit to diegocastanibm/vllm that referenced this pull request Aug 15, 2025
Signed-off-by: Nick Hill <[email protected]>
Signed-off-by: Diego-Castan <[email protected]>
epwalsh pushed a commit to epwalsh/vllm that referenced this pull request Aug 28, 2025
zhewenl pushed a commit to zhewenl/vllm that referenced this pull request Aug 28, 2025
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