[FEATURE] add metrics of expired pre-allocated buffer size

[zuston]

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Describe the feature

add metrics of expired pre-allocated buffer size

Motivation

No response

Describe the solution

No response

Additional context

No response

Are you willing to submit PR?

• [ ] Yes I am willing to submit a PR!

[zuston]

I don't know the reason of removing the metrics in #1425

[lifeSo]

I don't know the reason of removing the metrics in #1425

OK, anyway I will fix it recently.