datax对接hdfs，向orc表中追加数据，失败了，导致orc表在hdfss上的路径没了，从而造成了orc表中的原数据丢失了，这个怎么修复？
Open
- Dominant language
- Java
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Description
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Research direction
The report names no files, tests, or entry points. Start by reproducing the failed DataX append to an HDFS ORC table and tracing the failure around the table path and existing data; done means a failed append no longer removes the path or loses original records.
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Assessment
- Tech stack
- java
- Domain
- data-engineering, distributed-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 15/100