TiDB Dumpling Invalid Connection

This topic has been translated from a Chinese forum by GPT and might contain errors.

Original topic: tidb dumpling invalid connection

| username: Robin3910

【TiDB Usage Environment】Production Environment
【TiDB Version】
【Reproduction Path】Execute script: /data/dumpling -u client -p pj9xxt -P 4000 -h -o /data/tars/logs/ --filetype csv --csv-delimiter ‘’ --output-filename-template ‘active_regid_4305000000_1719883785729.{{.Index}}’ -r 500 --tidb-mem-quota-query 4294967296 -t 32 --sql ‘select client_id, user_id, status, app_id from client.mapping limit 35000000 offset 4305000000’ -F 50MiB --params “tidb_enable_chunk_rpc=OFF”
【Encountered Problem: Problem Phenomenon and Impact】
Error: invalid connection
【Resource Configuration】Enter TiDB Dashboard - Cluster Info - Hosts and take a screenshot of this page
【Attachments: Screenshot/Logs/Monitoring】