> I can imagine what it’s used for … I was more just asking, why it’s creating > these directories locally instead of just looking if they exist. Always feels > a bit odd, if loads of empty directories are in my filesystem.
agree with that feeling... this can be indeed an improvement if it does not bring too much complexity. Best, ----------------------------------- Xiangdong Huang Christofer Dutz <christofer.d...@c-ware.de> 于2023年7月14日周五 14:30写道： > > Hi Xiangdong, > > I can imagine what it’s used for … I was more just asking, why it’s creating > these directories locally instead of just looking if they exist. Always feels > a bit odd, if loads of empty directories are in my filesystem. > > Chris > > Von: Xiangdong Huang <saint...@gmail.com> > Datum: Freitag, 14. Juli 2023 um 07:51 > An: dev@iotdb.apache.org <dev@iotdb.apache.org> > Betreff: Re: What are all the empty "ext" directories for? > "ext" refers to "extension", and its subfolder: > - trigger, similar with trigger in RDBMS. > - udf, user define functions. > - PIPE, a new function for ETL or data subscription. > > All the above need to users claiming their data processing logic using > jar files. > So as Trevor said, you can put your jar files there. > > > Best, > ----------------------------------- > Xiangdong Huang > > 18110526...@163.com <18110526...@163.com> 于2023年7月14日周五 08:55写道： > > > > We have written the relevant documentation, you can see > > https://apache-iotdb.feishu.cn/docx/SG1DdQklco67oaxSLbYcghWxnkc. > > > 2023年7月12日 20:45，Christofer Dutz <christofer.d...@c-ware.de> 写道： > > > > > > Hi, > > > > > > so playing around with IoTDB running in embedded mode, I noticed that it > > > creates a directory “data” which totally makes sense to me, as it > > > contains all the data. > > > However it also creates a whole tree under “ext” which just seems to > > > contain loads of empty directories. > > > What’s the purpose of these and could we prevent them from being created, > > > if they are not needed? > > > > > > ext > > > /pipe > > > /install > > > /tmp > > > /trigger > > > /install > > > /tmp > > > /udf > > > /install > > > /tmp > > > > > > > > > Chris > >
