[LU-17520] change logic of setting DEBUG_SIZE in test-framework

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Severity: 3
• Assignee: Sergey Cheremencev
• Reporter: Sergey Cheremencev

Description

Now by default the size of DEBUG_SIZE is 2MB multiplied by number of cpu. This way lustre debug buffer could be just 4MB on a system with 2 CPUs, despite 3GB RAM. It is the reason why often time period in debug logs doesn't scope the reason of failure(sometimes depending on log level debug buffer stores just several seconds).