【详述】smt 在处理 mysql 表量大的时候 获取元数据超时
【背景】
./starrocks-migrate-tool
2023/07/06 17:41:56 source/mysql.go:109 SLOW SQL >= 200ms
[255.556ms] [rows:590] SELECT * FROM information_schema
.tables
WHERE TABLE_TYPE=‘BASE TABLE’ ORDER BY TABLE_SCHEMA asc, TABLE_NAME asc
Successfully got tables from the source database. Converting them to StarRocks DDL…
Writing starrocks ddl reults…
Done writing to: /tools/smt/result/sec_adaptive
Writing starrocks ddl reults…
Done writing to: /tools/smt/result/sec_adaptive
Writing starrocks ddl reults…
Done writing to: /tools/smt/result/sec_adaptive