Lchangliang opened a new pull request, #17710:
URL: https://github.com/apache/doris/pull/17710
# Proposed changes
Issue Number: close #xxx
## Problem summary
We want to use file cache for caching cold data in S3. When reading them, we
want to know where the data come from and the time taken to read the datas. So
we support the metrics in olap scan node. And for clearing the information, i
also update the fields about the metrics.
## Checklist(Required)
* [ ] Does it affect the original behavior
* [ ] Has unit tests been added
* [ ] Has document been added or modified
* [ ] Does it need to update dependencies
* [ ] Is this PR support rollback (If NO, please explain WHY)
## Further comments
If this is a relatively large or complex change, kick off the discussion at
[d...@doris.apache.org](mailto:d...@doris.apache.org) by explaining why you
chose the solution you did and what alternatives you considered, etc...
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