solidDB Help : Configuring and administering : Configuring diskless servers
  
Configuring diskless servers
Because a diskless server does not use any disk storage space, you must ensure that the server can hold all the expected data in memory, see Maximum file size in diskless servers.
A diskless server can contain disk-based tables (D-tables), in-memory tables (M-tables), or both. However, since the whole database must be stored in memory, there is no benefit in using D-tables.
D-tables are stored in the database cache, so you must ensure that the cache is large enough to accommodate the expected size of the D-tables. Even if all the tables are M-tables, the database cache is still required to hold system tables, see Cache size in diskless servers.
When you have configured the diskless server, you can start the server, see Starting a diskless server.
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