Page History

...

• Store & Forward Enabled
  • Whether to enable Store & Forward capabilities for this stream
• Store & Forward Type
  • The type of the Store & Forward mechanism options: In_Memory and Disk_Backed (available in release 4.0.17 and higher)
  • Data stored with an In_Memory Store & Forward will not be persisted across a module configuration change, module disable/enable, module restart or power loss
  • Data stored with a Disk_Backed Store & Forward will persist across a module configuration change, module disable/enable, module restart or power loss
• Message Capacity - deprecated in 4.0.19
  • The maximum number of messages to store before dropping the oldest historical messages
• Max History Age
  • The maximum number of minutes to store history before dropping the data
• Flush Period
  • The period of time to wait (in milliseconds) between sending when flushing messages

...

• Store & Forward Enabled
  • Whether to enable Store & Forward capabilities for this stream
• Store & Forward Type
  • The type of the Store & Forward mechanism options: In_Memory and Disk_Backed (available in release 4.0.17 and higher)
  • Data stored with an In_Memory Store & Forward will not be persisted across a module configuration change, module disable/enable, module restart or power loss. 
  • Data stored with a Disk_Backed Store & Forward will persist across a module configuration change, module disable/enable, module restart or power loss.
• Message Capacity - deprecated in 4.0.19
  • The maximum number of messages to store before dropping the oldest historical messages
• History Max Age
  • The maximum number of minutes to store history before dropping the data
• Flush Period
  • The period of time to wait (in milliseconds) between sending when flushing messages

...