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 <qj...@mails.tsinghua.edu.cn> Sent: Wednesday, July 3, 2019 4:46:18 AM To: dev@iotdb.apache.org 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" <qj...@mails.tsinghua.edu.cn> > 发送时间: 2019-07-03 10:24:43 (星期三) > 收件人: dev@iotdb.apache.org > 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
