Hi Jialin, +1. Really good point.
Besides, should we keep the unit of same dimension being the same, for example: ms for time, KB for capacity. What do you think? Best, ----------------------------------- Zesong Sun School of Software, Tsinghua University 孙泽嵩 清华大学 软件学院 > 2020年7月11日 15:08，Jialin Qiao <[email protected]> 写道： > > Hi, > > > I met a scenario that a user set the ttl wrongly as second precision, so he > can not query the data. > > > I checked the parameter description in iotdb-engine.properties, it is > described as this: > > > # Default TTL for storage groups that are not set TTL by statements, in ms. > If not set (default), > # the TTL will be unlimited. > # Notice: if this property is changed, previous created storage group which > are not set TTL will > # also be affected. And negative values are accepted, which means you can > only insert future > # data. > # default_ttl=36000000 > > > I think some users may do not read the descriptions, should we add the unit > to the parameter name? E.g., sstable_size_in_mb in Cassandra. > > > We could rename the default_ttl to default_ttl_in_ms, so as to other > parameters. > > Thanks, > -- > Jialin Qiao > School of Software, Tsinghua University > > 乔嘉林 > 清华大学 软件学院
