lower log level in PD Disaggregation

[zouyida2052]

What this PR does / why we need it?

This log is printed too frequently and unecessary, Thus lowering its level from INFO to DEBUG.

Does this PR introduce any user-facing change?

no

How was this patch tested?

• vLLM version: v0.18.0
• vLLM main: vllm-project/vllm@ed359c4

[gemini-code-assist]

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses excessive logging by downgrading a specific log message from INFO to DEBUG. This change aims to reduce noise in the logs, making it easier to identify more critical information without affecting the functionality or behavior of the system.

Highlights

• Log Level Adjustment: Changed a frequently occurring log message from INFO to DEBUG level in pool_scheduler.py to reduce log verbosity.

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[gemini-code-assist]

Code Review

The pull request appropriately lowers the log level from INFO to DEBUG for messages related to delaying the freeing of blocks. This change aligns with the description, reducing verbosity for frequently occurring, non-critical events.

[liziyu179]

Do not delete the params parameter.