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
