+1 for the feature. Cassandra names it as TTL. So, how about for each storage group, there is a retention policy. And, clean the old data when merging.
----------------------------------- Xiangdong Huang School of Software, Tsinghua University 黄向东 清华大学 软件学院 Jialin Qiao (Jira) <[email protected]> 于2019年9月9日周一 下午5:13写道： > Jialin Qiao created IOTDB-205: > --------------------------------- > > Summary: Support retention policy > Key: IOTDB-205 > URL: https://issues.apache.org/jira/browse/IOTDB-205 > Project: Apache IoTDB > Issue Type: New Feature > Reporter: Jialin Qiao > > > Many applications use TSDBs to just store recent data for a period of > time. For example, 10 days, and older data will be deleted automatically. > Influxdb also supports this function called retention policy. > > It would be great that we also support this. > > > > -- > This message was sent by Atlassian Jira > (v8.3.2#803003) >
