fcm_buffer_size – Inter-member buffer size configuration parameter
This parameter specifies the size of the FCM (Fast Communications Manager) buffer.
The FCM buffer is used to send work units between members within a Db2® instance.
This parameter, measured in bytes, determines the size of the FCM buffer. The default size is 32KB.
- Configuration type
- Database manager
- Applies to
-
- Database server with local and remote clients
- Database server with local clients
- Partitioned database server with local and remote clients
- Db2 pureScale® members
- Parameter type
- Configurable
- Default [range]
- 32768 [4096, 8192, 16384, 32768, 65536, 131072, 262144, 524288, 1048576]
Updates to this parameter take effect only after you shut down and restart all members in an instance.