You can specify the maximum disk cache
memory that an archiver can use. By default,
Historian consumes 25% of system memory. If your
computer has extra memory, you can increase the disk
cache. Increasing the disk cache memory optimizes
the Historian performance. You should not increase
system file caching cache memory if you do not have
the necessary system resources.
Procedure
Access Registry Editor.
Open the following key folder.HKEY_LOCAL_MACHINE\SOFTWARE\Intellution, Inc.\iHistorian\Services\DataArchiver\
Create a new DWORD called FileSystemMaxCacheMB
Set the decimal value to a number. The value that you enter represents the maximum disk cache memory that an archiver can use.
Historian