Hi, another common pattern is just to downsample the datasets (as Influx does it for example). This is technically also a lossless encoding (but not as fancy).
Julian Am 09.09.20, 05:09 schrieb "Xiangdong Huang" <[email protected]>: Hi, > I know PI has Spinning Door Transformation compress algorithm which is a lossy encoding method, and it has been used in many cement factories. Yes, if we have demand to implement a lossy encoding, I'd like to also choose SDT... Best, ----------------------------------- Xiangdong Huang School of Software, Tsinghua University 黄向东 清华大学 软件学院 [email protected] <[email protected]> 于2020年9月9日周三 上午10:53写道： > Hi， > > I know PI has Spinning Door Transformation compress algorithm which is > a lossy encoding method, and it has been used in many cement factories. > > > > Thanks. > > Chao Wang > BONC Ltd > > > From: Xiangdong Huang > Date: 2020-09-09 10:46 > To: dev > Subject: Considering lossy encoding/compression? > Hi, > > Now IoTDB only supports lossless encoding method, like RLE, delta-of-delta, > etc.. > > I'd like to know is there a requirement that using a lossy encoding method > for storing IoT data? > > If so, we can add some lossy encoding options. > > Best, > ----------------------------------- > Xiangdong Huang > School of Software, Tsinghua University >
