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[opt](scanner profile) More counter for scanner #40144 #41059

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[opt](scanner profile) More counter for scanner #40144 #41059

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Commits on Sep 25, 2024

  1. [opt](scanner profile) More counter for scanner (apache#40144) 

    New profile metrics to monitor the schedule process of scanner.
```
VScanner:
    ...
    -  PeakMemoryUsage:  16.31  MB
    -  PeakRunningScanner:  1
    ...
```
In general, the value of `PeakMemoryUsage` is increased when any of the
scan tasks gets a block, decreased when ScanOperator consumes block from
block_queue.
    @zhiqiang-hhhh
    zhiqiang-hhhh committed Sep 25, 2024
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