This topic describes how to download logs.
Access paths
You can access the Log Search page from the following paths and specify the search criteria to download required logs:
On the Overview page of a cluster, hover over the more icon in the upper-right corner and select Download Logs from the drop-down list.
On the Overview page of an OBProxy cluster, hover over the more icon in the upper right corner and select Download All Logs from the drop-down list.
On the host details page, click Download Logs .
Specify the time range
You can select 5 Minute, 10 Minutes, 15 Minutes, 30 Minutes, or 1 Hour, 3 Hour, 6 Hour, 12 Hour, 24 Hour, which is the time interval from the current time, or specify a time range, to download logs generated within the specified time range.
Specify the object scope
You can view the logs of a host, an OceanBase cluster, or an OBProxy cluster.
Log levels
You can select an alert level from the drop-down list. Four alert levels are available: ERROR, WARN, INFO, and DEBUG. This operation is optional.
Log types
The following table describes the log types.
| Log type | Download entry | Description |
|---|---|---|
| OceanBase Database Logs | If you click Download Logs on the Overview page of a cluster, OBServer logs are downloaded by default. | All logs in the /log/ directory of the installation path. |
| OBProxy Logs | If you click Download Logs on the Overview page of an OBProxy cluster, OBProxy logs are downloaded by default. | All logs in the /home/admin/logs/obproxy/log/ directory. |
| Host Logs | If you click Download Logs on the host details page, host logs are downloaded by default. | All message- files in the /var/log directory. |
| OCP Agent Logs | -- | All logs in the /home/admin/ocp_agent/log/ directory. |
| Custom logs | If you click Download Logs on the OCP Agent tab of the host details page, custom logs are downloaded by default. | The shell pattern format is supported. You can specify the directory and file name to search for logs. |
Keyword
You can search logs by including or excluding keywords.
- Parameter: The keywords that the logs to query contain. Regular expression matching and general matching of multiple keywords are supported.
- Negative Keywords: The keywords that the logs to query cannot contain. You can specify multiple negative keywords.
