[Bug] V2.1.5，When I execute any SQL query, an error is reported ：errorCode=CANCELLED, errorMsg=(be3.doris.server)[CANCELLED]Failed to submit scanner to scanner pool reason:Thread pool Scan_normal is at capacity (256/256 tasks running, 102400/102400 tasks queued)|type:0

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Version

V2.1.5

What's Wrong?

When I execute any SQL query, an error is reported：

errorCode=CANCELLED, errorMsg=(be3.doris.server)[CANCELLED]Failed to submit scanner to scanner pool reason:Thread pool Scan_normal is at capacity (256/256 tasks running, 102400/102400 tasks queued)|type:0
or
(be3.doris.server[CANCELLEDjThread pool FragmentigrThreadpool is at capacity (2048/2048 tasks running, 4096/4096 tasks queued

What You Expected?

How to fix it

How to Reproduce?

No response

Anything Else?

No response

Are you willing to submit PR?

• Yes I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct