tdengine配置文件

TDengine的配置文件通常为taos.cfg，可以通过编辑该文件来配置TDengine的参数。以下是一个示例配置文件：

# TAOS configuration file
# 
# This is the main configuration file for TDengine.
# It contains settings for various system parameters.
#
# Comments are denoted by a '#' character at the beginning of a line.

# Network configuration
#
# The following options control how TDengine listens for incoming
# connections.

# Listen for incoming connections on all network interfaces.
# Default: 0.0.0.0
#bind=0.0.0.0

# The port number to listen for incoming connections on.
# Default: 6030
#port=6030

# The maximum number of connections to accept at once.
# Default: 1024
#maxconns=1024

# Database configuration
#
# The following options control the behavior of the database itself.

# The directory where TDengine stores its data files.
# Default: /var/lib/taos
#dataDir=/var/lib/taos

# The maximum size of a single data file, in bytes.
# Default: 1073741824 (1GB)
#maxFileSize=1073741824

# The maximum number of data files to keep on disk.
# Default: 100
#dataFileNum=100

# The maximum number of days to keep data files on disk.
# Default: 365
#expireLogDays=365

# The maximum number of rows to keep in memory before flushing to disk.
# Default: 100000
#maxRows=100000

# The maximum number of rows to return in a single query result.
# Default: 10000
#maxResultRows=10000

上面的注释已经解释了每个选项的作用和默认值。注意，如果你想在更改配置文件后使更改生效，需要重启TDengine服务。