Hi, This is due to the configuration (disabling WAL). If you disable the WAL, the data in current memtable may be lost.
By default, the enable_wal is true. You could recover it back to avoid this. I wonder why do you disable the wal... Thanks, -- Jialin Qiao School of Software, Tsinghua University 乔嘉林 清华大学 软件学院 > -----原始邮件----- > 发件人: "凌战" <m18340872...@163.com> > 发送时间: 2020-12-18 11:42:50 (星期五) > 收件人: "dev@iotdb.apache.org" <dev@iotdb.apache.org> > 抄送: > 主题: 重启Iotdb Server,数据丢失 > > hi,when i restarted Iotdb server,I found that the data inserted in the morning was lost,but the data inserted yesterday still exists。 > I suspected that the data inserted in the morning was still in the memtable and has not flushed into disk. So when i restarted Iotdb server,the data was lost. In addition, I disable the wal. > Is it possible ? How can I avoid it ? > > > | | > 凌战 > | > | > m18340872...@163.com > | > 签名由网易邮箱大师定制 </dev@iotdb.apache.org></m18340872...@163.com>