[#416] feat(hdfs): lazy initialization of hdfsShuffleWriteHandler when per-partition concurrent write is enabled #816
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What changes were proposed in this pull request?
lazy initialization of
hdfsShuffleWriteHandler
when per-partition concurrent write is enabledWhy are the changes needed?
Without this PR, it will create too much unnecessary, when enable the
concurrent write of per-partition and no-race condition.
This PR is to reduce unnecessary handler creation.
Does this PR introduce any user-facing change?
No.
How was this patch tested?