Logs on Webscale
Log files are plain text files with messages written to them by a server’s operating system and other installed software. These messages help explain the current state of the system and trace any changes made to the system. For instance, error logs contain any error messages the system has encountered, while access logs contain information about when specific files or programs were accessed.
The logs maintained by Webscale include:
- Audit logs
- Server access logs
- Webserver access and error logs
- Application logs (Magento, Wordpress, WooCommerce, etc)
- MySQL logs (if applicable)
- Event logs
- Content Security Policy logs
- Logs for all services that make up the operating system
In some Webscale environments, your application will send its logs to a dataserver. Once these logs are sent they are retained on that dataserver, and this is the central log server for your entire environment.
Webscale may also install the AWS CloudWatch agent. This agent sends important logs to AWS CloudWatch, a monitoring and log aggregation service provided by AWS. Not all logs are pushed to CloudWatch, but logs such as the webserver error/access logs, security event logs, and audit logs will be available through CloudWatch. If you are running Magento, Webscale can configure the Magento logs to also be sent to CloudWatch. If you are running a different application, you can work with Webscale to determine which logs must be kept for compliance purposes.
The logs available in the Traffic Viewer are web access logs. This captures all web requests sent by user browsers and devices to access the application, including different pages viewed in a session, add-to-cart and checkout operations. The traffic viewer enables visualization of access logs, and the ability to write search queries to analyze the data made available. Some event logs are also available in your Webscale Control Panel but for retention purposes, the logs accessible on the dataserver or pushed to CloudWatch are used.
How long are my logs retained?
Log retention depends on the Webscale plan you are subscribed to, and any specific log retention periods you are contracted for. Typically, Cloudwatch logs and traffic viewer logs are retained for at least 30 days by Webscale. It is possible to request extended log retention for up to 1 year for audit or compliance purposes. When extended log retention is enabled, the logs may be stored in storage services (such as S3 or Glacier on AWS).
If I need to see or obtain copies of a specific log file, how would I go about this?
Traffic viewer logs are available to download from the Webscale control panel for administrators of the account. If you are not sure where to find the log, the best thing would be to send in a support request.
What are the paths/locations of the most common logs?
The most common system logs are located under
/var/log/on the servers they apply to. Magento logs are in
/var/www/site/var/logs/, and other logs created and managed by Webscale are at
/var/log/webscale/. Any webserver logs end up separated by IP Address in
vardirectory should always be a symlink to the NFS shared directory so that webservers can write to the logs.
Have questions not answered here? Please Contact Support to get more help.
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