Questions tagged [dolphindb]
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8 questions
0 votes
0 answers
14 views
Datanode startup failure: Failed to unmarshall scheduled job (Invalid message format)
I encounter a startup failure when initializing my DolphinDB node. The error message points to a scheduled job deserialization issue: :Failed to unmarshall the job [schedulejob1]. Failed to ...
- 3
0 votes
1 answer
21 views
Is there a "shutdown script" equivalent to startup? Need to export stream table data before container stops
I'm running DolphinDB in a Docker container and restarting the container daily (creating a new container each time). My core requirement is: Export data from regular stream tables (non-persistent ...
- 3
0 votes
1 answer
17 views
Using copying the program directory and data directory of DolphinDB to another machine, any query is empty
After completely copying the program directory and data directory of DolphinDB to another machine, the startup proceeds without errors, and the databases and tables are visible on the web interface. ...
- 1
0 votes
0 answers
23 views
Designing scalable sensor data storage: wide table vs single table per sensor in DolphinDB
I'm designing a system to store large volumes of sensor data (10,000+ sensors) and evaluating different schema approaches in DolphinDB. Current Context: Data Volume: 10,000+ sensors, continuous time-...
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