Category "tdengine"

Is TDengine suitable to store large text fields?

I need to migrate my database from PostgreSQL to the TDengine since most of them are time-series data. But there is a text field in the table for storing large

cann't find taos.dll while using `make install` on windows

I tried to build TDengine on window followed the instruction on Build TDengine On Windows platform: using the command: mkdir debug && cd debug "c:\Progr

Is TDengine SQL support do caculate between columns and tag?

I was using TDengine for some times,and I tried to caculate some rate through the tags and columns. The follow is my table structure: create table p(ts timestam

how to order records in stable query in TDengine?

I created a stable and a few sub-tables, then I used below SQL to list all records, but the result is not ordered by ts column. any way to do it? select * from

Does TDengine network communication use TCP or UDP? Or both?

Does TDengine's network communication use TCP or UDP? Or both? Can I configure it by myself? If I can, which item should I configure in the config filev(taos.cf

telegraf output plugin http error with TDengine

I'm working on a monitoring system to retrieve hardware metric by telegraf and store the time-series data to TDengine. But seem the data insertion is very slow

question about creating upper case database name or table name in TDengine database

In TDengine shell, any upper case letter is automatically converted to a lower case letter like below: taos> create database TEST; Query OK, 0 of 0 row(s) in

How to change the replication of a vgroup in TDengine?

I'am using TDengine as a time-series storage engine. How could I change the replication of a vgroup from 2 to 3? During the change, should I do or not to do som

There are 8 hours difference in two client of TDengine

We have an TDengine application. There are more than one clients, including Docker, Linux, and Windows. I'm using interval(1d), but the time on Windows & Do

Is there a way to change the table column name in TDengine?

I am using TDengine as my time-series storage engine and I want to change a column name of a super table. I tried to find a way in the official documents but I

how to insert timestamp beyond the limitation of keep in tdengine

I found that tdengine has a parameter will create database. this definition "The KEEP parameter refers to the number of days to save a modified data file. " fro

How to know which vnode a table is in when using TDengine?

I am use TDengine now. I know that TDengine likes Cassandra that both use virtual node as virtualization. How can I know which vnode a table is in? I tried to u

TDengine import from csv file

Just found the speed for importing sorted csv file is faster than the speed for importing unsorted csv file in TDengine database, each csv file has 1000000 rows

How do I install taosBenchmark when building TDengine?

I have a MacOS computer with the M1 chip and I am running a virtual machine with Ubuntu 20.04.2 with ARM64. I built TDengine following the documentation on the

use C# connector to insert Chinese into TDengine 2.4.0.16 but got Illegal byte sequence

use TDengine.Query(conn, commandText); It returned intPrt value is not 0, TDengine.Error() show Illegal byte sequence anyone know how to resolve?

Can ctest use relative path to run test?

Can ctest use relative path to run test? There is no problem to run ctest after cmake. But if I copy the whole folder to somewhere else, ctest cannot run proper

How to make TDengine background execute?

I found that I used to open two terminals, one for 'taosd' to start the server and the other for 'taos' to input sql command. However, once the taosd is shut do