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- sync_dbbardata.sh: STEP 2000万→200万/片(首片2GB export+scp跨公网挂) - merge_increment.py: 加 PRAGMA cache=500MB+WAL+NORMAL+synchronous (replica 2亿行 UNIQUE索引数GB,默认2MB cache致索引IO merge>120s超时) - 全量完成: replica 2.019亿行(=dbbardata全量日线+15min+ETF) - 踩坑链: ssh reset中断→timeout杀ssh留NAS merge残留持锁→since落后数据已在库 - 教训: timeout杀ssh不杀远程python;merge大表必加PRAGMA;断点续传since.txt救命 Co-Authored-By: Claude <noreply@anthropic.com>