ae40222351
### What changes were proposed in this pull request? Support `MapPartitionData` on DFS. ### Why are the changes needed? `MapPartitionData` only supports on local, which does not support on DFS. It's recommended to support `MapPartitionData` on DFS for MapPartition mode to align the ability of ReducePartition mode. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? `WordCountTestWithHDFS`. Closes #3349 from SteNicholas/CELEBORN-2047. Authored-by: SteNicholas <programgeek@163.com> Signed-off-by: mingji <fengmingxiao.fmx@alibaba-inc.com> |
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