Collect logs-PolarDB(PolarDB)-阿里云帮助中心

Use the pdbcli trace command to track issues and collect all component logs from a target node.

Syntax

Run the following command to collect all component logs from all nodes. By default, the command collects log files from the last three days.

pdbcli trace tar-log

Parameter	Parameter type	Description
-f, --from-days	INT	The number of days of logs to collect, counting back from the current date. The default is 3 days.
-s, --max-size	STRING	The maximum size for the collected log files. The default is 10 MB.
-o, --output-dir	STRING	The local folder where collected logs are stored. The default is /tmp.
-t, --target-host	STRING	The node from which to collect all component logs. If this parameter is not specified, logs are collected from all nodes.
--remote-user	STRING	The account on the target node to use for the connection. Use this parameter if the target node does not have a trust relationship with the `root` account on the `pdbcli` node. The specified account must have `sudo` permissions. Note If the specified account cannot use passwordless `sudo`, set its `sudo` password. Use the ansible_sudo_pass parameter in the all.vars section of the config.yaml file.