alibaba / alibaba/DataX

写入hive数仓,不更新hive metastore的numRows

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Java
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Description

datax 导入数据到hive表后,不会自动更新hive metastore的numRows数,导致直接进行count(1)查询时一直为0,如何处理这个问题?

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Research direction

Start by reproducing a DataX import into a Hive table and inspect the DataX path that writes the table data. Check how Hive metastore numRows is handled after the import, then define done as count(1) no longer returning 0 because the metadata reflects the imported rows.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
data-engineering, databases
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
32/100

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