Background


Along with more and more users are using IoTDB,  it shows the importance of Diagnosis: we do not want to ask "how many unseq files you have" "how many time series you have" "how many RAM you have" etc. again and again.

Instead, we need a script to collect everything (except for users' privacy data) into a diagnosis file, and just say: "run xxx command, and sends the generated file to me".


That is what this doc wants to achieve.


Servier Side info:

confirm IoTDB version: 

- IoTDB version

- sha512 of iotdb-*-<version>.jar 

- file name list of lib

- file name list of conf

- diff of every file in conf


confirm error messages:

- all exist logs (except the debug log, trace log) (should compress files)


confirm metadata

- data/system folder

- how many storage groups

- how many devices

- how many series in total

- how many series in each sg

- how many series in each device (histogram)

- how many double-type series

- how many float-type series

- how many int-type series

- how many long-type series

- how many string-type series

- how many bool-type series

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