Hi, +1 for the new structure.
Jialin, as Christofer said, I think we need review all documents before your branch can be merged.. Best, ----------------------------------- Xiangdong Huang School of Software, Tsinghua University 黄向东 清华大学 软件学院 Christofer Dutz <[email protected]> 于2019年7月3日周三 下午7:28写道： > Hi all, > > Please think of documenting this in any release notes as incompatible > change. > > Chris > > Holen Sie sichOutlook für Android<https://aka.ms/ghei36> > > ________________________________ > From: Jialin Qiao <[email protected]> > Sent: Wednesday, July 3, 2019 4:46:18 AM > To: [email protected] > Subject: Re: New directory structure > > Hi, > > The following illustration is more clear: > > data —————————————————————————(base directory) > |├── data —————————————————————(data files) > │ ├── sequence ——————————————————(folder of sequence data files in each > storage group) > │ │ └── storage_group_x ——————————————(storage group x) > │ │ ├── {systemtime-version}.tsfile ————————(data file) > │ │ ├── {name_of_TsFile}.resource ————————(resource file of > corresponding tsfile) > │ └── unsequence —————————————————(folder of unsequence data files, > which the same structure with "sequence" directory) > |├── system > │ ├── roles ————————————————————(information of roles) > │ ├── schema ———————————————————(system schema, including storage groups > and timeseries) > │ ├── storage_groups ———————————————(version file of each storage > group) > │ └── users ————————————————————(information of users) > |└── wal > | ├── {name_of_storage_group}-{name_of_TsFile} ———(a folder for one > data file) > | └── wal{version} ————————————————(wal file for a memtable in > corresponding data file) > > 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: "Jialin Qiao" <[email protected]> > > 发送时间: 2019-07-03 10:24:43 (星期三) > > 收件人: [email protected] > > 抄送: > > 主题: New directory structure > > > > Hi, > > > > The directory structure of IoTDB is in chaos, so I reorganize it in > PR[1]. > > > > User configurations: > > > > base_dir: base directory of IoTDB ("data" by default) > > sys_dir: system data directory ("data/system" by default) > > data_dirs: data file directories, which supports multiple directories > ("data/data" by default, multiple directories are separated by ',") > > wal_dir: directory of write-ahead-log ("data/wal" by default) > > > > Under default configurations, the actual folders are like this: > > > > data > > data —————————————————————(data files) > > sequence ——————————————————(folder of sequence data files) > > storage_group_x ——————————————(storage group x) > > {systemtime-version}.tsfile ————————(data file) > > {name_of_TsFile}.resource ————————(resource file > of corresponding tsfile) > > unsequence —————————————————(folder of unsequence data > files, which the same structure with "sequence" directory) > > system > > roles ————————————————————(information of roles) > > users ————————————————————(information of users) > > schema ———————————————————(system schema, including storage > groups and timeseries) > > storage_groups ———————————————(version file of each > storage group) > > wal > > {name_of_storage_group}-{name_of_TsFile} ———(a folder for > one data file) > > wal{version} ————————————————(wal file for a memtable > in corresponding data file) > > > > > > [1] https://github.com/apache/incubator-iotdb/pull/217 > > > > Best, > > -- > > Jialin Qiao > > School of Software, Tsinghua University > > > > 乔嘉林 > > 清华大学 软件学院 >
