### What changes were proposed in this pull request? 1. Add histogram 2. Collect critical metrics about fetch chunk ### Why are the changes needed? 1. To find out IO pattern of fetch chunk 2. To have detail metrics about fetch chunk time ### Does this PR introduce _any_ user-facing change? NO. ### How was this patch tested? GA and cluster. <img width="940" alt="截屏2024-12-09 15 42 50" src="https://github.com/user-attachments/assets/9f526103-c162-4607-a031-ba90f42ae83e"> <img width="962" alt="截屏2024-12-09 15 42 56" src="https://github.com/user-attachments/assets/c17822da-0433-4701-b0cc-0887ac970353"> Closes #2983 from FMX/b1766. Authored-by: mingji <fengmingxiao.fmx@alibaba-inc.com> Signed-off-by: Shuang <lvshuang.xjs@alibaba-inc.com> |
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