Parameter
rdisp/max_vm_forced_sgc_time
Short text
Maximum time before starting a forced Shared Garbage Collection for a specific VM
Parameter Description
You can use this parameter to control the behavior during a Shared Garbage Collection (SGC). For an SGC to be successfully completed, all VMs of the Virtual Machine Container (VMC) must contribute. However, in some cases, it is not possible for individual VMs to contribute because they are bound to an ABAP context. To be able to complete the SGC despite this, the VM can be temporarily separated from the ABAP context. This is known as a “forced SGC”.
The parameter specifies whether and when a forced SGC is to be triggered. To allow this, the system checks the VMs periodically. If a VM needs to contribute to the SGC, the wait time for its contribution is determined. If this exceeds the parameter value, a forced SGC is triggered. The parameter value 0 deactivates the forced SGC.
Application Area
VMC
Parameter Unit
You can specify the value with or without a time unit. If you do not specify a time unit, seconds is used as the unit. Otherwise, you can specify M for minutes, H for hours, or D for day. There can be spaces between the value and the unit.
Examples
300 300 Seconds
2 M 2 Minutes
3H 3 Hours
Default Value
10
Who is permitted to make changes?
Customer
Operating System Restrictions
None
Database System Restrictions
None
Values allowed
n [unit] where
• n >= 0
• Unit = S | M | H | D
