一个表2亿数据，每次抽到5000万就断开连接了，datax就直接停掉抽取进程！
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- Java
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Description
一个表2亿数据，每次抽到5000万就断开连接了，datax就直接停掉抽取进程！有没有什么断开重连得机制，或者能记忆上次抽取到多少条，下次接着抽，不然每次要重新开始，永远抽不完！
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Research direction
No files, tests, or entry points are named in the issue. Start by locating the extraction and connection-handling paths, then determine how progress is tracked; done would mean a disconnected extraction can reconnect or resume from the previous position without restarting the full table.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- data-engineering
- Issue type
- Feature
- Difficulty
- 5/5
- Estimated time
- Over a week
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100