Use Client Database-Request Statement Caching directory (-clstmtcachedir) to specify the location for storing temporary files of cache information that exceeds 256 bytes of shared memory.

Operating system and syntax UNIX / Windows -clstmtcachedir directory-name
Use with Maximum value Minimum value Single-user default Multi-user default
Client Connection, Database Server N/A N/A N/A N/A
directory-name
A fully-qualified specification for an existing directory. The directory name can be a maximum of 255 bytes. If the directory does not exist, an error is returned and the database does not start.

You can only set the value of the directory name once; to change the value, restart the database.