OK，thank you, I will join it
在 2021-11-28 01:41:03，"Jialin Qiao" <[email protected]> 写道： >Hi, > >The order should be maintained by the sender. Actually, the TsFile-sync is >also redesigned now, it didn't consider the compaction and deletion >previously. >Welcome to join the design of the new sync module. We will put the design >doc in the confluence(@Sicheng): >https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=177051872 > >Thanks, >————————————————— >Jialin Qiao >School of Software, Tsinghua University > >乔嘉林 >清华大学 软件学院 > > >林欣欣 <[email protected]> 于2021年11月27日周六 下午11:18写道： > >> thank you, and I want to know Is the TsFile file transferred to the cloud >> in order?How to achieve order?Is it because the sender pipelining job loads >> the file into the send queue or the receiver reprocesses the order in which >> the files are received？ >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> At 2021-11-27 20:49:58, "Jialin Qiao" <[email protected]> wrote: >> >Hi, >> > >> >>First, I want to know why the IoTDB chose to use Tsfile’s data file >> >incremental upload over point-by-point write during IoTDB’s cloud >> >synchronization, I understand this for two reasons: 1. The Tsfile file >> >transfer reduces the amount of data transferred because of file >> >consolidation and data compression; 2. Files sent to the cloud are >> >organized between internal data and files, reducing duplication of work in >> >the cloud. I don’t know if this is right？ >> > >> >You are right :) >> > >> >> Second, based on the current data file uploads, would it be okay, or >> >would it have to wait a while, to synchronize all the Edge database data >> >(the latest unwrapped data) in the cloud? >> >It can only synchronize data over a period of time, not the latest data. >> > >> >Yes, the TsFile-sync has some delay. >> > >> >To synchronize the latest data, we plan to add a new synchronization based >> >on log, which has low latency but high overhead. >> > >> >Thanks, >> >————————————————— >> >Jialin Qiao >> >School of Software, Tsinghua University >> > >> >乔嘉林 >> >清华大学 软件学院 >> > >> > >> >林欣欣 <[email protected]> 于2021年11月27日周六 下午6:38写道： >> > >> >> Hi everyone, >> >> I am a graduate student who is studying edge computing. I have two >> >> very doubtable questions to consult everyone. >> >> First, I want to know why the IoTDB chose to use Tsfile’s data >> file >> >> incremental upload over point-by-point write during IoTDB’s cloud >> >> synchronization, I understand this for two reasons: 1. The Tsfile file >> >> transfer reduces the amount of data transferred because of file >> >> consolidation and data compression; 2. Files sent to the cloud are >> >> organized between internal data and files, reducing duplication of work >> in >> >> the cloud. I don’t know if this is right？ >> >> Second, based on the current data file uploads, would it be okay, >> or >> >> would it have to wait a while, to synchronize all the Edge database data >> >> (the latest unwrapped data) in the cloud? >> >> Can I understand that the current IoTDB synchronization module in >> >> the edge cloud is the basic phase? It can only synchronize data over a >> >> period of time, not the latest data? >> >> >> >> >> >> >> >> Hope to get your reply and help, thank you. >> >> >> >> >> >> >> >> >> >> Lin, >>
