TDengine is an open-sourced big data platform under GNU AGPL v3.0, designed and optimized for the Internet of Things (IoT), Connected Cars, Industrial IoT, and IT Infrastructure and Application Monitoring.
Questions tagged [tdengine]
345 questions
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1 answer
Out of dnodes (0.000000s)
The TDengine fails to CREATE a DATABASE. CREATE DATABASE power KEEP 365 DURATION 10 BUFFER 16 WAL_LEVEL 1;
This error occurs when I try to create a database. How do I fix it，I can fix it.If you have similar problems, please let me know
diyong chen
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1 answer
what is the proper connection pool configuration for using TDengine database
what is the proper connection pool configuration for TDengine database?
I encountered this error：
connection is not available after 30 seconds.
my configuration is…
Yu Chen
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1 answer
use python with TDengine database but got bind params error
It's quite simple to insert data into TDengine database but still got errors.
use conn.statement("insert info cache_record values(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)")
The output:
Traceback (most recent call last):
File…
hook capt
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2 answers
How to plan hardware resources for TDengine database
How to plan hardware resources for TDengine database
does it have a Common configuration?
I have 300000 tables around.
Yu Chen
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-1
votes
1 answer
Question about taos shell use source command
What is the maximum file size for taos source 'filename' command? For my project, the data file is huge and I'm afraid of being interrupted within data transferring.
Jackson
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1 answer
What is the meaning of the configuration item "balance" in the TDengine's configuration file taos.cfg?
What is the meaning of the configuration item "balance" in the TDengine's configuration file taos.cfg?
Can TDengine balance data replicas in the cluster automatically？
Can TDengine balance leader membership in the cluster automatically？such as…
bruce
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1 answer
Is TDengine able to run on Android or IOS?
Is TDengine able to run on Android or IOS? Can I compile the source code by myself? Do you have an installation package?
bruce
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1 answer
linux/sysctl.h: no such file or directory when compiling TDengine in alpine
Alpine is a Linux distribution that I guess it must have the header files. How to solve it in alpine container?
zitsen
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1 answer
What is TaosAdapter?
Recently, I found that TaosAdapter has been shows up in TDengine github repository as an individual module, the readme file only lists multiple functionalities which indict its a type of connector. However, I didn't find any resource or…
naissance
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1 answer
does tdengine support recursive query？
I transfer business logic from mysql to tdengine. Since our sql logic is is very
Complex,we used lots of nested join and recursive query. I want to ask that is any way know does tdengine support recursive query? And nested sql?
Ray Shown
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1 answer
How to get the latest records of each column in TDengine database?
I got two columns for my regular table and I would like to know the latest record of each column, what SQL command should I use? The schema of the table is as follows:
Jackson
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1 answer
The tdengine has a high compression rate. How is it designed inside
For efficient horizontal scalability in managing massive data, it is common to adopt sharding and partitioning strategies. TDengine achieves data sharding through vnodes, and implements time-series data partitioning by storing data in separate files…
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1 answer
How does it compare to other real-time data processing systems like Apache Kafka or Apache Flink?
Can TDengine support real-time data streaming and processing? How does it compare to other real-time data processing systems like Apache Kafka or Apache Flink?
In practice, we generate large real-time data every day, encounter real-time data…
shark
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1 answer
Do you think TDengine database 3.0 performance is better?
after a period of the time trial， I found 3.0 version performance is worse than 2.6， not a single query， Anyone knows about this?
I use "taosdemo" to generate the test data.
but the "select count(*)" costs me 2 sec, but in the 2.6 it just cost me…
Yu Chen
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