Each application running in the standard environment has an instance class which determines its compute resources and pricing. The memory and CPU limits of instances varies by the runtime generation.

Second generation runtimes are:

  • Python 3.7 and 3.8
  • Java 11
  • Node 8
  • Node.js 10 and Node.js 12
  • PHP 7.2, PHP 7.3
  • Ruby 2.5
  • Go 1.12+.

First generation runtimes are:

  • Python 2.7
  • Java 8
  • PHP 5.5
  • Go 1.11
Instance Properties
Instance ClassMemory LimitCPU LimitSupported Scaling
F1 (default)256 MB600 MHzautomatic
F2512 MB1.2 GHzautomatic
F41024 MB2.4 GHzautomatic
F4_HIGHMEM2048 MB2.4 GHzautomatic
B1256 MB600 MHzmanual, basic
B2 (default)512 MB1.2 GHzmanual, basic
B41024 MB2.4 GHzmanual, basic
B4_HIGHMEM20482.4 GHzmanual, basic
B82048 MB4.8 GHzmanual, basic


To set up the OpsRamp Google integration and discover the Google service, go to Google Integration Discovery Profile and select GOOGLE/Appengine Service and in Perform Actions, select Manage Device.


OpsRamp MetricMetric Display NameUnitAggregation TypeDescription
cloud.instance.stateStatus/Staten/an/aApp Engine instance status state.

Event support

  • Not supported

External reference