方法1、删除索引可以终止，恢复进程。

DELETE index_*        // 按通配符删除以'index_'开头的索引
DELETE _all           // 删除全部索引
POST *,-.*/_close   关闭索引
POST *,-.*/_open    打开索引
DELETE *,-.*    删除全部索引

方法2、强制重启es 集群也可也终止恢复进程

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