j143 commented on PR #2302:
URL: https://github.com/apache/systemds/pull/2302#issuecomment-3148367955
Hi @mboehm7 , I would like to talk about the design choices here?
1. Since part files are not preferred. I choose two file format (one data
file, one light metadata and concat in the end)
a. file directory
```c
UnaryTest/
in/
.X.crc
.X.mtd.crc
X
X.mtd
out/
.res._data.crc
.res._header.crc
.res.crc
.res.mtd.crc
res
res._data
res._header
res.mtd
```
b. In my machine, x86-64 Windows 11 - HDFS concat doesn't seem to work.
I had winutils and other Junit tests work
2. Facing issue with recompilation step, due to which the stream = null and
the if condition fails
3. If I try to explicitly set matrixCharacterstics to avoid recompilation -
it still doesn't work.
---
could you let me know about the choices so far and which ones or better.
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