pssh

Basic Function

This tool is used to execute access between database nodes and send commands to remote nodes.

Syntax

python3 pssh [OPTIONS]

Parameter Description

• -help

  Displays help information.

• -H HOSTNAME

  Specifies the host list.

• -h HOSTFILE

  Specifies the full path of the file to be written into the host list.

• -t TIMEOUT

  Specifies the connection timeout interval, in seconds. The default value is 300s.

• -p PARALLEL

  Specifies the maximum number of concurrent tasks. The default value is 32.

• -o OUTDIR

  Specifies the full file path of the execution result.

• -e ERRDIR

  Specifies the full path of the error information output file.

• -P

  Specifies the command executed on the online remote host.

• -s

  Displays the execution result.

• -x EXTRA

  Specifies the extra command line parameters.

• -i

  Displays the output and errors of all nodes.

• -O OPT

  Specifies the added SSH parameters in offline mode.