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This topic has been translated from a Chinese forum by GPT and might contain errors.Original topic: 怎么排查pump进程活着，pump的vlog文件没有写入
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username: kuweilong666
【TiDB Usage Environment】Production
【TiDB Version】v5.2.3
【Encountered Problem】
【Reproduction Path】What operations were performed to encounter the problem
【Problem Phenomenon and Impact】
The pump process is alive, but the pump’s vlog file is not being written to, and the drainer is not writing data downstream. There are no error messages in the pump.log file.
【Attachments】
- Relevant logs, configuration files, Grafana monitoring (https://metricstool.pingcap.com/)
- TiUP Cluster Display information
- TiUP Cluster Edit config information
- TiDB-Overview monitoring
- Corresponding module Grafana monitoring (if any, such as BR, TiDB-binlog, TiCDC, etc.)
- Corresponding module logs (including logs from 1 hour before and after the issue)
If the question is related to performance optimization or fault troubleshooting, please download the script and run it. Please select all and copy-paste the terminal output results for upload.
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