Hi, > do we need the FileFactory for all Files?
A solution is having two FileSystemUtil classes (or FileFactory), TsFileFSFactory and the rest. Best, ----------------------------------- Xiangdong Huang School of Software, Tsinghua University 黄向东 清华大学 软件学院 Zesong Sun <[email protected]> 于2019年9月8日周日 上午5:24写道： > Hi, > > > I had intended to implement this requirement in the first way, but now I > think the second and third are better for much less modification of current > codes... Though the first way may support more than HDFS storage, it may > still take a lot more time to modify codes in TsFile module based on > current work. > > > > > BR, > ------------------ > Zesong Sun > School of Software, Tsinghua University > > 孙泽嵩 > 清华大学 软件学院 > > > > > > > > ------------------ 原始邮件 ------------------ > 发件人: "Jialin Qiao"<[email protected]>; > 发送时间: 2019年9月8日(星期天) 下午2:08 > 收件人: "dev"<[email protected]>; > > 主题: Enable to choose storage in local file system or HDFS > > > > Hi, > > This issue is to let user directly uses spark to read data in IoTDB for > analyzing. > > This function can be done in many ways in IoTDB: > > (1) Storing all TsFiles (data files) and other files (system files, WALs) > on HDFS, then use spark-tsfile to read TsFiles on HDFS. > (2) Storing only TsFiles on HDFS, and other files on local file system, > then use spark-tsfile to read TsFiles on HDFS. > (3) Storing all files on local file system and let user use > spark-iotdb-connector to read data from IoTDB, regardless where TsFiles > store. > > Personally, I prefer the second and the third. If we use the second way, > do we need the FileFactory for all Files? > > Best, > -- > 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: "Zesong Sun (Jira)" <[email protected]> > > 发送时间: 2019-08-29 19:34:00 (星期四) > > 收件人: [email protected] > > 抄送: > > 主题: [jira] [Created] (IOTDB-187) Enable to choose storage in local file > system or HDFS > > > > Zesong Sun created IOTDB-187: > > -------------------------------- > > > > Summary: Enable to choose storage in local file system or > HDFS > > Key: IOTDB-187 > > URL: https://issues.apache.org/jira/browse/IOTDB-187 > > Project: Apache IoTDB > > Issue Type: Improvement > > Reporter: Zesong Sun > > > > > > Enable to choose storage in local file system or HDFS > > "is_hdfs_storage=false" by default > > > > > > > > -- > > This message was sent by Atlassian Jira > > (v8.3.2#803003)
