搜索TDengine在线文档:https ://www.taosdata.com/en/documentation/ ,找到了更改默认数据库参数“keep”的命令,该命令表示数据将在数据库中保留多长时间。但是,在我从 shell 输入该命令后,“显示变量”命令仍然显示旧值。我如何知道更改此参数是否生效?
taos> alter database test keep 50;
Query OK, 0 of 0 row(s) in database (0.019087s)
taos> show variables;
name | value |
============================================================
version | 2.1.5.0 |
buildinfo | Built at 2021-08-05 23:49:17 |
walLevel | 1 |
comp | 2 |
precision | 0 |
maxRows | 4096 |
minRows | 100 |
keep | 3650 |