Github user dlmarion commented on the issue:
https://github.com/apache/accumulo/pull/176
> I'm not sure I understand the reasoning behind that logic (admittedly,
it's "early"). Specifically, how would a failure of the local node be any
different than a failure of a non-local DN in the write pipeline?
It might be how we create/use the WAL. It's possible that a tserver can
create a WAL and open an output stream to the first block, but never actually
write any data to it (see ACCUMULO-4004). I'm not quite sure of the state of
the first block and file from an HDFS perspective if the node dies while in
this state (WAL created, open input stream to the first block). But, I can say
that this does cause a problem (in Accumulo 1.6.4 at least).
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