batch ddl job执行时间差距巨大,原因几何?大佬速来

还有一种办法,就是手动自己把id分页,然后拼接多个delete语句删除数据,我之前更新几十亿条记录就是这么干的
https://book.tidb.io/session4/chapter6/page-inaction.html?_gl=1*1n7w97c*_ga*MTU5MTE3MTM1My4xNjg0ODkxNTE3*_ga_D02DELFW09*MTcxNzE0NDk1OC4xMjk0LjEuMTcxNzE0NTA3Ni4wLjAuMA