Specifies the amount of memory, in megabytes, available to the RLV store.
-iqrlvmem size
2048 (megabytes)
If you specify 0 or an invalid value, then the default (2048 MB) is used. If the value exceeds 2/3rd of the system virtual memory limit, and error message appears, and the server shuts down.
-iqrlvmem is used at server startup to tell the server how much memory to reserve for row-level versioning.