### What changes were proposed in this pull request? Add netty pinned memory metrics ### Why are the changes needed? We can know more accurately the memory actually allocated from PoolArena. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Existing uts. Closes #3019 from leixm/CELEBORN-1793. Lead-authored-by: Wang, Fei <fwang12@ebay.com> Co-authored-by: Xianming Lei <31424839+leixm@users.noreply.github.com> Signed-off-by: SteNicholas <programgeek@163.com> |
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