### What changes were proposed in this pull request? - Minor improvement in `ChunkStreamManager.numShuffleSteams`, by replacing `.flatMap(Set::stream).count()` to `.mapToLong(Set::size).sum()` ### Why are the changes needed? ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? CI tests. Closes #2013 from bowenliang123/numShuffleSteams. Authored-by: liangbowen <liangbowen@gf.com.cn> Signed-off-by: zky.zhoukeyong <zky.zhoukeyong@alibaba-inc.com> |
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